$500

Category: Machinery & Equipment/Engineering & Construction Machinery/Other Engineering & Construction Machinery

Company: 济宁展翔工程机械有限公司

Product Description: 济宁展翔专业生产各种型号配水闸阀，质量有保证，价格优廉，售后有保障，量大从优。PZI-500配水闸阀,500配水闸阀,配水闸阀厂家,配水闸阀,手动配水闸阀PZI-500配水闸阀代号意思：闸阀（gate valve）的启闭件是闸板,闸板的运动方向与流体方向相垂直,闸阀只能作全开和全关 , 不能作调节和节流。PZ—配水闸阀 1—第一次改进技术,500—公称直径（mm）机械设备有限公司是一家专业生产制作各种配水闸阀的厂家,其拥有专业的生产设备,丰富的现场施工人员,原材料均采用优质的钢板,采用当下最为先进的氩弧焊焊接工艺,天时地利人和确保了我们产品质量！另外公司常年生产直径400,500,600,800,1000等各种不同直径的配水闸阀,配水闸阀组成及作用：1, 操纵装置：设计中采用手轮和螺母固定在一起,操纵杆仅作上移动而不旋转,为了减少旋转,为了减少旋转手轮时的阻力加上了滚珠采用滚动摩擦方式。2,,闸阀：闸阀由阀体,阀舌,锥形密封环等部件组成,阀体为直角弯管式焊接件,锥形密封环是保证配水闸阀密封性能好坏的关键部位,为整体铸造,用法兰与阀体连接,发舌与阀杆的连接方式为铰接式。3, 连接操纵杆和阀杆的便是连接杆。4, 法兰短管：作为配水巷和配水闸阀之间的连接管 more>

$10000

Category: Environment/Raw Water Treatment Equipment/Sluice Gate Openers

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: Sliding steel gates are widely used flow control devices in fields such as water conservancy and environmental protection. Their main features are as follows:Structure and Material‌Material‌: Made of stainless steel or carbon steel (surface coated with epoxy resin), weighing about one-third of conventional gates, with corrosion resistance and rust-proof properties. ‌Sealing Design‌: Rubber soft sealing structure provides effective sealing and requires low operating torque. ‌Function and ApplicationPrimarily used in water plants, sewage treatment plants, irrigation and drainage projects, etc., to cut off water flow or regulate water levels by adjusting flow rates and controlling water levels. ‌Operation MethodsSupports both manual (screw-type lifting) and electric (remote control) modes. Manual operation is suitable for remote areas without electricity, while electric mode enables precise positioning and automated control. ‌Maintenance and LifespanDesigned with an anti-locking structure to reduce wear on sealing surfaces; maintenance only requires replacing the sealing ring for quick repairs, ensuring a long service life.Sliding steel gates are extensively used flow control devices in water conservancy projects, sewage treatment, municipal construction, and other fields, mainly for cutting off water flow, regulating water levels, or controlling flow rates. Their core structure includes a gate frame, gate body, sealing device, and drive mechanism. The material is typically carbon steel or stainless steel, with surface anti-corrosion treatment to enhance durability. more>

$10000

Category: Others

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: The hydraulic self-operating flip gate is a water control facility that achieves automatic regulation through the balance of hydraulic force and self-weight. It is primarily used in reservoirs, rivers, and other locations to block or discharge water flow, featuring a simple structure and low cost. Core PrincipleIt employs a lever balance and rotation mechanism, controlling the gate’s tilt angle through changes in the moment of water flow pressure and gate weight. When the upstream water level rises, the gate gradually opens around the pivot to release flow; when the water level drops, it automatically closes to store water, maintaining the set water level range. Structural CompositionIt mainly consists of components such as the panel, support legs, abutments, and rollers/links. For example, the roller-link mechanism reduces vibration through dual pivots and works in conjunction with a trapezoidal practical weir to improve the flow coefficient. Application and DevelopmentSince China’s independent research and development in the 1960s, it has been gradually optimized into structures like the multi-pin hinge type and roller-link type. In 1983, the pre-tilt angle design of the panel resolved the minor opening slapping issue, and subsequent slider-type gates further enhanced performance. They are widely used in flood control, irrigation, and other fields. Technical FeaturesAutomatic Regulation: No manual operation required; it opens and closes automatically based on water level. Applicable Scenarios: Small to medium-sized hydraulic engineering projects and remote unattended locations. Maintenance Cost: Simple structure, reliable operation, and low cost. The current market reference price starts at 5,000 RMB per unit, suitable for water level regulation in hydraulic facilities such as reservoirs and rivers. more>

$10000

Category: Hardware & Tools/Castings/Iron Castings

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: The cast iron swing gate is a hydraulic control device that achieves opening and closing through bidirectional rotation, primarily used for irrigation and flood discharge control at the bottom outlets of reservoir dams. Its core features include:Structural CharacteristicsConstructed from HT200 cast iron, equipped with a dual sealing structure comprising a rubber soft sealing ring and a metal water-stop auxiliary, limiting forward seepage to within 0.7L/min·m. The bidirectional rotation mechanism utilizes an L-shaped guide rail to enable sliding connection between the gate plate and the mounting plate, working in conjunction with a reset spring and sloped groove to ensure sealing effectiveness.Technical ParametersCovers PZ and PYZ series, with inlet diameters ranging from Φ200 to Φ1200 across 8 specifications. The opening/closing force is adjustable within 1-2T, and the opening/closing speed ranges from 0.2-1.5m/min. Supports a maximum medium temperature of 30°C, with an ambient temperature adaptability range of -20°C to 120°C.Installation and MaintenanceMust be installed with a slope ≤30° to the horizontal plane, using secondary pouring technology to fix the base. Post-installation requires no-load opening/closing tests and a 10-meter head load test. Routine maintenance involves applying grease to rotating parts quarterly to prevent rust, and pausing turbulent flow to flush debris before closing.Application ScenariosWidely used for water release control at reservoir bottom outlets, operated with hand-electric dual-purpose hoists to enable bidirectional adjustment for irrigation and flood discharge. Particularly prevalent in reservoir projects in regions such as Yunnan and Guizhou. more>

$10000

Category: Hardware & Tools/Castings/Iron Castings

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: Assembled cast iron gates are hydraulic engineering equipment made from cast iron, featuring a split structure for on-site assembly and installation, suitable for small to medium-sized hydraulic projects. Structural FeaturesSplit Design: The gate body is divided into multiple detachable components, fixed with anchor bolts or embedded parts, facilitating transportation and on-site installation. Material: The main body is made of HT250 gray cast iron or ductile cast iron, complying with CJ/T3006-92 and DL/T5018-2004 standards. Sealing System: Utilizes copper alloy facings or rubber sealing strips, achieving bidirectional water stoppage through wedge mechanisms, with leakage controlled between 0.03-0.07 L/m·s. ApplicationsPrimarily used in hydraulic projects such as reservoirs, rivers, and hydropower stations, driven by hoists to regulate water levels and intercept flow. Their assembled design reduces transportation challenges, making them especially suitable for projects with limited access or constrained construction conditions. Installation RequirementsRequires overall hoisting into the slot followed by secondary concrete pouring, adjusting sealing surface gaps to within 0.1mm, and regular lubrication and anti-corrosion maintenance. more>

$10000

Category: Metallurgy & Minerals/Common Steel/Channel Steel

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: Channel steel gates are core equipment in hydraulic engineering used to control water flow, with the following technical characteristics and market supply conditions:Technical Characteristics‌Structure and Materials‌The main body is made of carbon steel or stainless steel, with surfaces treated by thermal spray zinc or epoxy resin anti-corrosion, providing resistance to acid, alkali, and seawater corrosion‌.An anti-lock structure is installed between the gate plate and guide rails to reduce wear on the sealing surface, with a lifespan of over 10 years‌.‌Operation Methods‌Supports manual screw, manual-electric dual-purpose hoists, or electric drives, with some models integrating intelligent algorithms for remote control‌.Dual lifting point design (such as winch-type hoists) is suitable for large gates, ensuring synchronous lifting.‌Sealing Performance‌Utilizes rubber soft sealing with bidirectional water-stop design, achieving a leakage rate below 0.1%‌.Channel gates, also known as steel gates or stainless steel gates, are flow control devices primarily made of steel materials (such as stainless steel or carbon steel) treated with thermal spray zinc anti-corrosion, using rubber water-stop sealing. This equipment consists of components like the gate plate, gate frame, and pressure plate, featuring light weight, flexible operation, corrosion resistance, rust prevention, easy installation and maintenance, and reliable sealing. It can be operated via manual screw, manual-electric dual-purpose hoists, or electric actuators, serving functions such as cutting off water flow, regulating flow rate, and controlling water levels. It is widely used in hydraulic engineering, municipal water supply and drainage, agricultural irrigation, petroleum, chemical, metallurgical, environmental protection, power, pond, river, and other engineering fields.Traditional steel gates adopt planar or arc structural designs, with the gate body formed by welding panels and reinforcing ribs, supporting quick replacement and maintenance of sealing rings. With the development of digital technology, irrigation district projects have achieved precise water allocation across entire canal systems, coordinated gate group scheduling, and remote control by installing integrated measurement and control gates that incorporate fiber optic communication and intelligent algorithms. Typical cases show that intelligent systems can improve channel water utilization efficiency and achieve quantified benefits of 6% water savings and 15% energy savings. more>

$10000

Category: Metallurgy & Minerals/Non-Ferrous Alloys/Copper Alloys

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: The copper-inlaid gate is a hydraulic control device primarily made of cast iron, combined with copper alloy or rubber sealing structures. It is mainly used in water supply and drainage, flood control, irrigation, and water conservancy projects, featuring corrosion resistance, high pressure-bearing capacity, and excellent sealing performance. Structural CharacteristicsThe gate frame and gate plate are manufactured from gray cast iron or ductile cast iron, with an external arc design to enhance uniform stress distribution. The guide rail length accounts for 1/2 to 1/3 of the full opening height of the gate to improve stability. The sealing surface is inlaid with copper strips or rubber, and the gap is adjusted via a wedge device (≤0.1 mm), supporting bidirectional pressure bearing. Technical ParametersSpecifications: Square gates DN200–DN2500 mm, circular gates DN300–DN1500 mmPressure-bearing Capacity: Forward 10 meters water head, bidirectional 10 meters water head (higher with special customization)Sealing Performance: Forward leakage ≤0.7 L/min·m, reverse leakage ≤1.25 L/min·mOperating Temperature: -20℃ to 120℃, suitable for various media such as sewage, seawater, and clean water more>

$10000

Category: Hardware & Tools/Castings/Iron Castings

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: Flat cast iron gates are small flat gates primarily used for regulating flow and controlling water levels, commonly found in municipal construction, agricultural irrigation, and water supply and drainage projects. Their structure consists of two parts: the gate leaf and the gate frame, made of cast iron, typically cast and machined as a single unit. Structural FeaturesMaterial and Processing: The gate body is made of cast iron materials (HT250 gray cast iron or ductile iron), cast as a single unit and precision-machined to ensure flatness and sealing performance. Sealing Design: Metal water stops or rubber sealing strips are used, with wedge block devices adjusting the sealing gap to ≤0.1mm, achieving bidirectional water retention. Gate Body Form: The panel can be designed as flat or arched to accommodate different water pressure requirements; for larger sizes, a segmented assembly structure can be adopted. Function and ApplicationTypically installed at channel or culvert inlets, they serve as working gates to regulate flow or as maintenance gates to close openings and block water. Compatible with manual, electric, hydraulic, and other hoisting methods, the drive mechanism connects the gate to the hoist via a transmission screw. more>

$10000

Category: Others

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: Agricultural irrigation channel gates are hydraulic devices used to regulate water flow, primarily employed in scenarios such as farmland irrigation and aquaculture. They achieve precise water distribution by controlling the opening and closing of the gates. ‌Core Functions‌Flow Regulation‌: By opening or closing the gates, the flow of water entering the farmland is controlled, ensuring irrigation needs and rational allocation of water resources. ‌Intelligent Control‌: Modern gates are equipped with sensors and control systems that can monitor soil moisture and crop growth conditions in real time, automatically adjusting the gate opening. ‌Remote Monitoring‌: Supports remote operation, Bluetooth APP control, and solar power supply, making it suitable for use in areas without electricity. ‌Types and Features‌Traditional Gates‌Materials include carbon steel, stainless steel, and other metals, with rubber seals to achieve water retention. ‌Wide range of sizes, suitable for different scenarios such as agricultural channels and main/branch canals. ‌Integrated Smart Gates‌Made of aluminum alloy, lightweight and weather-resistant, supporting dynamic/static water retention. ‌Integrated with radar/ultrasonic water level gauges, flow monitoring equipment, and other devices to achieve remote measurement, control, and group control linkage. more>

$10000

Category: Hardware & Tools/Castings/Iron Castings

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: Cast iron sluice gates are water flow control devices primarily made of cast iron, composed of components such as the gate frame, gate leaf, and lifting seat. They are widely used in water conservancy projects such as reservoirs, rivers, and hydropower stations. The gate leaf is driven by a hoist to rise and lower, enabling water level regulation and flow interception functions.Core Advantages of Choosing Cast Iron Copper-Embedded Sluice Gates1. Exceptional Structural Strength and DurabilityMaterial Advantages: The gate body is cast from high-strength gray iron or ductile iron, offering extremely high compressive and bending strength, capable of withstanding significant water and soil pressure without deformation.Integral Structure: Typically cast as a single unit, the structure is robust and stable, suitable for openings of various sizes.2. Outstanding Sealing Performance (Core Advantage)Copper-Embedded Seal Seat: This is the key feature that gives the gate its name and its greatest highlight. A corrosion-resistant copper alloy (usually brass or stainless steel) seal seat is embedded on the sealing contact surface of the cast iron gate frame.Combination of Hard and Soft for Excellent Sealing: The sealing surface of the gate leaf (cast iron) contacts the embedded copper seat. This "hard-to-soft" or "hard-to-hard" precision fit ensures excellent sealing when closed, with leakage rates far below national standards.Wear Resistance and Self-Lubrication: The copper alloy offers good wear resistance and some self-lubricating properties, ensuring reliable sealing even after long-term opening and closing friction.3. Strong Corrosion and Wear ResistanceDual Protection:Cast Iron Part: Typically treated with high-performance anti-corrosion coatings, such as epoxy asphalt paint, epoxy resin coating, or hot-dip galvanizing, significantly enhancing corrosion resistance in harsh environments like sewage and seawater.Copper Seal Seat: The copper alloy itself has excellent corrosion resistance, particularly against water and atmospheric corrosion.Wide Applicability to Media: Especially suitable for urban sewage, industrial wastewater, seawater, and mildly corrosive media, with a lifespan far exceeding that of ordinary steel gates.4. Long Service Life and Low Maintenance CostsThanks to its robust structure and exceptional corrosion resistance, cast iron copper-embedded sluice gates have a very long service life, often lasting decades.Due to their high reliability and durable seals, daily maintenance requirements are minimal, significantly reducing operational and maintenance costs over their lifecycle.5. Flexible Installation MethodsCast iron copper-embedded sluice gates offer various installation forms, including wall-pipe type (embedded in walls or pipes), wall-mounted type (installed in front of walls), or flanged type (connected to pipe flanges), making them highly adaptable to engineering needs.6. Smooth Operation with Low Operating ForceThe sealing surface is precision-machined, resulting in a low friction coefficient. When designed with a rising stem, the threaded transmission part is above the water level, allowing easy lubrication and reducing the risk of clogging by debris. This ensures smooth operation and requires minimal operating torque. more>

$10000

Category: Others

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: Hydraulic steel gates are water control devices primarily made of steel materials, mainly used for water flow regulation and pressure control in river management, hydropower stations, and municipal flood prevention. Structural CompositionMainly consists of three parts: gate leaf structure, embedded components, and hoisting machinery:Gate leaf structure: Includes panel, support walking device, and sealing system. The panel adopts a lattice cross-section design, and the sealing device uses foam rubber strips with a gap control of ≤0.1mm. Embedded components: Include main track, lintel, bottom sill, etc., anchored to the secondary concrete via anchor bolts. Hoisting machinery: Equipped with winch-type (max 50KN) or screw-type hoists based on gate type, supporting manual/automatic operation. Material and Anti-CorrosionMade of Q235B low-carbon steel or 304 stainless steel. Surface treatment includes sandblasting to Sa2.5 cleanliness, hot-dip zinc coating thickness ≥120μm, combined with epoxy coal tar paint for corrosion protection. Types and FunctionsDivided into three categories by structure:Fixed-wheel flat gate: Gate leaf moves vertically, suitable for water head ≤8 meters, with forward leakage controlled at 0.03-0.72 liters/minute·meter. Radial gate: Operates by rotating around a hinge shaft, commonly used in large open-top projects, with leakage ≤0.72 liters/minute·meter. Integrated gate and machine: Combines hoisting device, can replace high-pressure gate valves, suitable for special working conditions. Application ScenariosCovers hydraulic engineering (reservoir regulation, river improvement), municipal water supply and drainage, agricultural irrigation, wastewater treatment, and industrial fields (e.g., metallurgy, chemical industry), achieving flood control and drainage through water level regulation. Maintenance PointsTransport must be horizontal to prevent deformation; installation requires calibrating embedded part errors ≤3mm; lubricant replenishment every six months during operation; rubber sealing strips replaced every three years. more>

$面议

Category: Hardware & Tools/Castings/Iron Castings

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: A sliding cast iron gate is a type of cast iron gate that operates through slide channels and sliders to control the movement of the gate leaf. It is primarily used in hydraulic engineering to regulate water flow. Its structural features include:Structural CompositionIt consists of a gate frame, gate leaf, slide channel, sealing wedge, and other components. The gate leaf is made of cast iron materials (such as HT250 gray cast iron or ductile iron), with precisely machined surfaces to ensure sealing performance. The slide channels are embedded in the secondary concrete of the gate pier and base slab, evenly transferring water pressure to the main structure.Working PrincipleDriven by a hoist, the gate leaf slides along the slide channels to open or close the orifice. Sliders are installed on the side beams of the gate, moving along embedded tracks to ensure stable operation. Under the combined action of water pressure and the sealing wedge, the gate leaf tightly fits against the slide channels, achieving effective water sealing.Classification and ApplicationsBased on shape, it is categorized into PZ flat gates and PGZ arched gates. The PGZ type features a 60-degree central angle design to reduce hydraulic load. Sliding cast iron gates are suitable for hydraulic projects such as rivers, reservoirs, and hydropower stations, as well as urban water supply and drainage, wastewater treatment, and other scenarios.Materials and MaintenanceMade of highly corrosion-resistant cast iron materials, surface treatment complies with CJ/T3006-92 and DL/T5018-2004 standards. Routine maintenance requires regular inspection of lubrication, anti-corrosion measures, and fastener conditions to ensure sealing gaps are controlled within 0.1mm. more>

$面议

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: Nickel-chromium alloy sluice gate is a type of cast iron gate made from nickel-chromium alloy material, offering excellent corrosion resistance and mechanical strength. It is suitable for highly corrosive environments such as seawater and industrial wastewater. Material CharacteristicsThe main body of the nickel-chromium alloy cast iron gate is made of nickel-chromium alloy material, with the addition of corrosion-resistant elements (such as nickel and chromium). The surface is treated with steel shot blasting, effectively resisting erosion from highly corrosive media like seawater and industrial wastewater, ensuring a long service life. Structural FeaturesGate Frame and Gate Plate: Made of cast iron, the gate frame is embedded with copper alloy to reduce friction, and the gate plate can be assembled in sections for easy transportation and installation. Operation Methods: Supports various hoisting configurations such as screw-type and winch-type, meeting different engineering needs. Application Scenarios: Widely used in sewage treatment, seawater engineering, chemical pipelines, and other scenarios involving corrosive fluid control. Performance AdvantagesStrong Weather Resistance: Adapts to harsh, humid, or high-salt environments with high stability. Easy Maintenance: Compact structure with simple daily maintenance, suitable for long-term operation requirements. more>

$10000

Category: Hardware & Tools/Castings/Iron Castings

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: Cast iron flap gate is a type of check valve installed at the end of drainage pipelines to prevent backflow of external water. Its core structure consists of four parts: valve seat, valve plate, sealing ring, and hinge, suitable for both circular and square outlets. Structure and Working PrincipleThe cast iron flap gate operates automatically based on the pressure difference inside and outside the pipeline: it opens for discharge when the internal water pressure exceeds the external pressure and closes automatically when the external water level is higher than the pipeline level. This design requires no manual operation and is highly energy-efficient. Materials and TypesMaterials: Traditionally made of cast iron, stainless steel, or structural steel, there is now a gradual shift toward composite materials (such as fiberglass reinforced plastic and high-density polyethylene). Types: Includes floating box type, flat plate type, sleeve type, hanging type, single/double door type, and energy-saving type, suitable for various media including water, sewage, and seawater. more>

$10000

Category: Others

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: The pulley steel gate is a type of steel gate that achieves opening and closing through a pulley support structure, primarily used for flow regulation and water pressure control in fields such as water conservancy and municipal engineering. Its core structure includes the gate leaf, pulley system, and sealing device, featuring a compact design and flexible operation. Structural CompositionThe pulley steel gate mainly consists of three parts:Gate Leaf Structure: Utilizes a lattice cross-section design, composed of a load-bearing frame, traveling support, and rubber waterstop device. Medium and larger gates are typically assembled in sections;Pulley System: Includes main wheels, side wheels, and counter wheels, employing oil-impregnated nylon sliders (with a friction coefficient one-third that of steel) to reduce friction;Sealing Device: Foam rubber strips are arranged around the perimeter, with forward sealing performance controlled within 0.72 liters/(minute·meter). Material and Anti-CorrosionThe main material is Q235B low-carbon steel or 304 stainless steel. Surface treatment includes sandblasting to Sa2.5 cleanliness, hot-dip galvanizing with a zinc layer thickness ≥120μm, and anti-corrosion treatment with epoxy coal tar pitch paint. Applicable ScenariosWidely used in river management, hydropower station water diversion, urban flood control, and municipal engineering (such as diversion control in sewage treatment plants), particularly suitable for medium-sized hydraulic scenarios with a head ≤8 meters. Maintenance PointsDuring installation, ensure embedded part errors ≤3mm. Apply lubricating grease every six months during operation, and replace the rubber waterstop every three years. more>

$10000

Category: Hardware & Tools/Castings/Iron Castings

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: Cast iron spiral gates are devices used to control the flow of solid particles or powdered materials, primarily composed of a frame, gate plate, screw rod, and other components. The opening and closing action is achieved by manually rotating the screw rod to drive the horizontal movement of the gate plate. ‌Structural Features‌‌Frame and Material‌: Made of carbon steel with anti-corrosion surface coating, capable of withstanding impacts from non-viscous solid materials. ‌Opening and Closing Mechanism‌: The gate plate is driven horizontally by rotating the screw rod, featuring a simple structure and flexible operation. ‌Sealing Design‌: Some models are equipped with a bidirectional sealing structure, effectively cutting off material flow. ‌Application Scenarios‌Mainly used in industries such as building materials, metallurgy, mining, power, chemical, and glass manufacturing. Suitable for flow regulation at the top or bottom of storage bins and in conveying pipelines, allowing real-time adjustment of opening degree and adaptation to various installation angles. more>

$面议

Category: Hardware & Tools/Castings/Iron Castings

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: Cast iron flap gate is a type of check valve that automatically controls opening and closing using the pressure difference inside and outside the pipeline. It is primarily used to prevent backflow of external water and is widely applied in fields such as water conservancy and municipal sewage. Structural CompositionIt consists of four parts: valve seat, valve plate, sealing ring, and hinge. Made of cast iron, it features a tight and reliable structure. The valve plate closes with the assistance of its own weight or buoyancy, while the sealing ring ensures leak-proof performance. Working PrincipleIt automatically opens for discharge when the internal water pressure of the pipeline exceeds the external pressure, and closes automatically when the external water level is higher than the internal level. This check valve characteristic effectively prevents tidal water from rivers from flowing back into drainage pipelines. Applicable ScenariosSuitable for media such as water, sewage, and seawater. Installation methods include flange connection or concrete embedding, supporting both circular and square outlets. Performance AdvantagesEnergy Efficiency: No manual operation required; it opens and closes automatically based on water pressure, reducing energy consumption. Durability: Cast iron material ensures a long service life with simple maintenance. Convenience: Simple structure, no external force needed for switching, making it suitable for applications in water conservancy, municipal sewage, urban flood control, and drainage. more>

$10000

Category: Others

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: A hydraulic steel gate is a hydraulic engineering device driven by a hydraulic system, primarily used for water retention, flood discharge, and water level regulation. It features a stable structure and flexible operation. Below is a summary of its core information:1. Product Types and Structure‌Hydraulic Steel Dam Gate‌Constructed from low-carbon alloy steel or reinforced concrete with steel plates, when discharging floods, the dam surface lies flat and rises only 20 cm above the base platform, achieving a near dam-free flood discharge effect.The hydraulic system is equipped with imported sealing rings, supports automatic lowering without external power, and is suitable for landscape projects (such as waterfalls and water curtain corridors).‌Hydraulic Flat Steel Gate‌Composed of hydraulic cylinders, pump stations, and gate leaves, with a water retention height of ≤5 meters and a single leaf width of ≤12 meters. It is suitable for river management, hydropower stations, and other applications.The dual-speed hydraulic system enables rapid closure (within 5 seconds) and is equipped with electromagnetic ball valves and hydraulic check valves for remote control.‌Hydraulic Flap Gate‌Driven by oil cylinders to operate the flap structure, it supports manual/hydraulic operation, offers strong resistance to flood impact, and has a service life of over 50 years.2. Key Performance Parameters‌Material‌: Carbon steel (zinc-sprayed for corrosion resistance) or stainless steel (304/316L), with a 30% improvement in corrosion resistance.‌Sealing‌: Imported sealing rings combined with rubber-plastic waterstop devices, ensuring no corrosion during long-term underwater operation.‌Hoisting Capacity‌: Electrically driven large gates can achieve a hoisting force of up to 1200 kN. more>

$10000

Category: Others

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: An arc steel gate is a type of steel gate that opens and closes by rotating around a support hinge, primarily used for flow regulation and flood discharge in hydraulic engineering. Its structural features and advantages are as follows:Structural CompositionThe arc steel gate consists of an arc-shaped panel, support arms, support hinges, and a sealing device. The panel is made of steel structure, the support arms transmit radial forces, the support hinges serve as the rotation center, and the sealing device ensures watertightness.Classification MethodsBased on water depth, it is classified as a crest gate (reservoir water level does not exceed the gate top) and a submerged gate (reservoir water level is above the gate top); based on support arm type, it is classified as straight-arm type (for openings with a small width-to-height ratio) and inclined-arm type (for openings with a large width-to-height ratio).AdvantagesEffortless Operation: The support hinge is located above the water surface, and the force is transmitted through the centroid, requiring only overcoming self-weight and frictional resistance for operation.Good Flow Conditions: No gate slot structure, resulting in low flow resistance, making it suitable for scenarios with high sediment content or abundant floating debris.Material Savings: Compared to flat gates, the gate pier thickness is thinner, and fewer embedded parts are required.Potential DisadvantagesLarge Space Occupation: Requires substantial gate pier support structures, and maintenance and inspection cannot be performed by lifting the gate out of the opening.High Installation Requirements: Strict precision requirements for civil engineering, ensuring the support hinge position is not impacted by sediment.Arc steel gates are widely used in large hydraulic structures such as hydro-junctions and hydropower stations, playing a critical role in flow regulation, flood control, and drainage.A steel gate is an movable water-retaining device composed of three parts: the gate leaf structure, embedded components, and hoisting machinery, primarily used for flow regulation and water pressure control at hydraulic engineering water passages. Its gate leaf structure includes a load-bearing frame, travel supports, and a rubber sealing device, achieving vertical lifting or rotational operation through coordination with the gate slot. Modern steel gates can be classified into three main types based on structure: fixed-wheel flat gates, arc gates, and integrated machine-gate units, with materials mostly made of low-carbon steel plates treated with sandblasting rust removal and hot-dip zinc anti-corrosion coating. The forward seepage rate of this equipment can be controlled within 0.03-0.72 liters per minute per meter, and it is widely used in river management, hydropower station water diversion, urban flood control, and other fields. more>

$面议

Category: Others

Company: 新河县泽隆贝迪水利机械厂（个体工商户）

Product Description: Steel flap gates are hydraulic control devices constructed from steel, primarily used in reservoirs, rivers, urban flood control, and irrigation systems. They achieve automatic water level regulation through the balance of hydraulic pressure and self-weight. Structural FeaturesThe main structure employs a steel gate design, with components such as panels, piers, and legs made of steel, offering strong corrosion resistance and structural durability. Some models use stainless steel materials to adapt to corrosive environments like sewage, ensuring excellent sealing performance that can be maintained by replacing sealing devices. Function and PrincipleOperation relies on the moment balance principle between water pressure and gate gravity for automatic opening and closing. When upstream water levels rise, hydraulic pressure pushes the gate open to release flow; as water levels drop, the gate closes to retain water, maintaining the set water level range. For example, the roller linkage mechanism reduces vibration through dual pivot links and optimizes flow control with a pre-tilt angle design. Application ScenariosSuitable for urban water supply and drainage, hydraulic flood prevention, sewage treatment, and other applications, offering advantages such as low investment costs and convenient maintenance. more>