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XL-21 Series Power Distribution Box
Negotiable
Category: Electrical Equipment & Supplies/Low Voltage Electrical/Other Low Voltage Electrical
Company: 陕西坤威电器有限公司
Product Description: The XL-21 series power distribution box is suitable for power distribution and lighting distribution in industrial and civil buildings with an AC frequency of 50Hz, voltage of 500V and below, and three-phase four-wire power systems. It is also suitable for manufacturing various motor starter cabinets, including full-voltage direct start cabinets, fully digital control soft start cabinets, autotransformer step-down start cabinets, star-delta start cabinets, multi-speed motor start cabinets, etc. It offers dozens of primary circuit scheme numbers or derivative scheme numbers for selection, with a wide range of applications.This product is an indoor enclosed distribution box. The box is made of thin steel plate bent and welded, with a single left-opening door on the front. The door is equipped with measuring instruments such as voltmeters and ammeters, as well as operating and signaling devices. It is a power distribution device with a simple structure, reliable operation, and low cost.Rated closing current: 63kA, closing times not less than 2.Manual operation has interlocking. xl-21 power cabinet wholesale uses advanced and reliable gapless zinc oxide arresters. The nominal discharge current of the arrester is 10kA, featuring high energy absorption, low residual voltage protection, and long protection distance. The one-time encapsulation process with silicone rubber ensures excellent characteristics, anti-aging, and maintenance-free performance.Switchgear main busbar:1. The main conductor is insulated with thermoplastic material. To enhance the insulation level of the busbar chamber, the shape of the busbar should ensure a relatively uniform electric field. All main and branch busbars should use copper bars and composite insulation measures. xl-21 power cabinet wholesale also adopts necessary insulation measures to avoid short circuits between busbars caused by various reasons. The busbar chambers between switchgear cabinets should be isolated with insulating barriers and insulating sleeves.2. Each section of the busbar is selected based on long-term allowable current-carrying capacity and can withstand the electromagnetic force generated by the closing current of the circuit breaker connected to the busbar. The busbars in the busbar chamber are insulated, and the busbar joints should be silver-plated.3. The main busbar and branch busbar have identifiable markings.4. The minimum cross-section of the grounding main busbar complies with specifications and power supply bureau requirements.Secondary part technical requirements, general requirements:1. The low-voltage chamber should include: lighting lamps, miniature circuit breakers, terminals, secondary wiring, and small busbars for interconnection between cabinets.2. Protection for control and closing DC secondary circuits uses imported or joint-venture brand DC miniature circuit breakers, with communication interfaces connected to the computer monitoring system.3. Each cabinet must reserve no less than 15% spare wiring terminals.4. xl-21 power cabinet wholesale switchgear panels should have schematic wiring diagrams.5. Programming tools and software should be provided to users, enabling convenient modification of setting parameters and control logic.Shaanxi Kunwei Electric Co., Ltd. is a comprehensive enterprise engaged in the development, production, sales, and installation services of high and low-voltage power distribution equipment. According to user needs, we develop and customize various non-standard high and low-voltage complete distribution equipment, lighting fixtures, high and low-voltage power components, power cables, power testing instruments, automation control products(intelligent security weak current systems, landscape building lighting planning and design, etc.), engineering solutions, third-party maintenance services, undertaking high and low-voltage testing business, and comprehensive sales. We welcome users from all walks of life and look forward to becoming long-term partners with you. more>
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Metal Rectangular Tin for Gift Tin Can Packing, Tin Boxes
$0.35
Category: Machinery & Equipment/Seals & Gaskets/Gaskets
Company: Brilliant Tin Box Manufacturing Co.,Ltd
Product Description: Brilliant Tin Box Manufacturing Co., Ltd specializes in making various kinds of tin box, tin can, tin container, round tin, rectangular tin, square tin, food tin packaging, chocolate tin, candy tin, coffee tin, cookie tin, cake tin, mint tin, tea tin, gift tin box, watch box, cd tin case, DVD tin box, cosmetic tin, pencil box, saving box, coin bank, perfume tin, sliding tin, slide tin, wine tin, cigarette tin box, candle tin, tin pail, tin ice bucket, lunch tin box, handle tin box and so on.   Brilliant Tin Box Manufacturing Co., Ltd Specifications & Features: 1. Tin box with various sizes and designs available 2. Customer's design or logo could be printed or embossed 3. Food grade safety. 4. Material: 0.23mm imported class A tinplate 5. Many kinds of surface finishing method such as matt, varnish, wrinkle and so on. 6. MOQ: 5000pcs, Quantity less than MOQ could be supplied at reasonable price. 7. Delivery time: 3-5 weeks   Should you have your own design, just send the artwork and quantity to us, we'll make a best offer to you. Please contact us as info below: Web: www(.)tinboxcn(.)com Email: sales02(at)tinboxcn(.)com more>
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High end transparent simple design acrylic jewelry display box packaging purchase
Negotiable
Category: Machinery & Equipment/Packaging Related Equipment/Barcode Equipment
Company: Yun Fai Jewelry Boxes Manufactory
Product Description: Dongguan Mayor An Sha Tou Xu Hui decorative box products factory was established in 1998, is a wholly-owned enterprises, the company is headquartered in Dongguan Changan. Company plant 3,500 square meters, more than 80 employees. Production base is located in Yizhou City, Guangxi Economic Development Zone Covers an area of 53.92 acres and a building area of  23000 square meters, the whole plant existing staff more than 400. Branch located in Guangxi Hechi Luo City, the existing staff of more than 200 people, Xu Hui has experienced years After the market competition, the Ebb Tide sand is now in the gold, after improving its production and development capabilities, Xuhui has become a brand worth trusting by customers. ,Window dressing and make-up boxes and other series of packaging products, packaging products exported to Europe and the United States, Southeast Asia and Hong Kong, Macao and Taiwan, the brand has created more honor and more market value. Xu Hui well-produced products and on time delivery Good quality, is to win customers Jiabao.Xu Hui will uphold the credibility of the first, quality first, customer first business philosophy.Xu Hui decorative box determined to make progress, advancing with the times, the company all staff look forward to working with your sincere cooperation, join hands in creating a better future. more>
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HD01 Dosyu Set-top TV box decoder(DVB-T/DVB-T2/C)
Negotiable
Category: Instruments & Meters/Analytical Instruments/Other Analytical Instruments
Company: Shenzhen Dosyu Technology Co.LTD
Product Description: CPU:Nationalchip-GX3235S (600MHz) Memory:512M DDR2 Flash:4M TUNER:MXL608-AG-T Port:RF-in,HDMI-out,USB*2,AV-out,DC Standard:DVB-T/DVB-T2/C Resolution:1920*1080 max Dobby:Support Auto & Manual search USB2.0 PVR for record&playback  TV channel Online video YouTube,MEGOGO support with optional wifi dongle more>
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Cleaning Conveyor Belt Device MH-1400mm Bandwidth Belt Cleaning Box
$59000
Category: Machinery & Equipment/Engineering & Construction Machinery/Other Engineering & Construction Machinery
Company: Shandong Meihuan Rubber & Plastic Co., Ltd.
Product Description: Cleaning Conveyor Belt Device MH-1400mm Belt Width Belt Cleaning BoxThe cleaning box is an integrated cleaning system that combines belt wetting, multi-stage cleaning, belt drying, and material recovery, making the return belt drier and cleaner. As a secondary cleaning system installed on the return belt of a belt conveyor, the cleaning system can wash the return belt, solving environmental pollution issues caused by residual material spillage in the return section of the conveyor, as well as the problem of belt misalignment due to residual material adhering to the idlers.Using a belt box system to clean residual material from the return belt has been proven to be one of the effective belt cleaning methods. It is recommended to use the belt cleaning box system in conjunction with belt cleaners to achieve optimal cleaning results.The cleaning box system includes: · Spray system · Drainage system · Cleaner group · Inspection door · Fixed pressure roller group · Control system · Drying system The belt cleaning box system offers customization services. The design of the belt cleaning box requires comprehensive consideration of factors such as: ·On-site application conditions (e.g., belt speed, conveyed material, belt width, and belt type) · Desired level of cleanliness · On-site water supply, water quality, and air supply conditions · Wastewater discharge Advantages of the cleaning box system: · The spray system softens the material, making it easier to clean residual material from the return belt · Prevents material buildup at the junction of the cleaner blade and the return belt · Reduces friction between the blade and the belt through water lubrication, lowers humidity, and extends the lifespan of the scraper and belt · Well-sealed inspection doors facilitate easy inspection and maintenance · The belt is dried before leaving the cleaning box system, keeping it clean · The drainage port design of the cleaning box system allows wastewater to be easily discharged. more>
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LCN Box-type Small Industrial High-Purity Nitrogen Generator Unit
$面议
Category: Machinery & Equipment/Compression & Separation Equipment/Screw Compressors
Company: Hangzhou Lecheng Gas Equipment Co., Ltd
Product Description: Principle of Small Containerized Nitrogen GeneratorThe PSA nitrogen generator is a nitrogen production equipment designed and manufactured based on pressure swing adsorption technology. Using high-quality carbon molecular sieve as the adsorbent, the nitrogen generator employs the principle of pressure swing adsorption (PSA) at room temperature to separate nitrogen and oxygen from the air, producing high-purity nitrogen. Typically, two adsorption towers are used in parallel, with imported PLC controlling the inlet pneumatic valves for automatic operation. The process alternates between pressurized adsorption and depressurized regeneration to achieve nitrogen-oxygen separation and obtain the required high-purity nitrogen.Equipment Features of Small Containerized Nitrogen Generator(1) Convenient and Fast Nitrogen Production:Advanced technology and a unique airflow distributor ensure even distribution of airflow, efficiently utilizing the carbon molecular sieve. Qualified nitrogen can be provided in about 20 minutes.(2) Easy to Use:The equipment features a compact structure, integrated skid-mounted design, small footprint, and no need for infrastructure investment. It requires low investment, and nitrogen production can be initiated on-site simply by connecting to a power source.(3) More Economical Than Other Nitrogen Supply Methods:PSA technology is a simple nitrogen production method that uses air as the raw material. Its energy consumption is limited to the electricity used by the air compressor, offering advantages such as low operating costs, low energy consumption, and high efficiency.(4) Automated Operation Through Mechatronic Design:Imported PLC controls fully automatic operation. Nitrogen flow, pressure, and purity are adjustable and continuously displayed, enabling unmanned operation.Technical Specifications of Small Containerized Nitrogen Generator:Flow Rate: 5-5000 Nm³/hPurity: 95%-99.9995%Dew Point: ≤ -45°CPressure: Adjustable up to ≤ 0.6 MPaIndustry Applications of Small Containerized Nitrogen Generator:Oil and Gas Industry: Specialized nitrogen generators are suitable for nitrogen protection, transportation, coverage, replacement, emergency rescue, maintenance, and nitrogen injection oil recovery in onshore, coastal, and deep-sea oil and gas extraction. They feature high safety, strong adaptability, and continuous production.Chemical Industry: Specialized nitrogen generators are applicable to petrochemicals, coal chemicals, salt chemicals, natural gas chemicals, fine chemicals, new materials, and their derivative chemical processing industries. Nitrogen is mainly used for coverage, purging, replacement, cleaning, pressure transmission, chemical reaction agitation, chemical fiber production protection, and nitrogen filling protection.Metallurgical Industry: Specialized nitrogen generators are suitable for heat treatment, bright annealing, protective heating, powder metallurgy, copper and aluminum processing, magnetic material sintering, precious metal processing, and bearing production. They feature high purity, continuous production, and, for some processes, nitrogen containing a certain amount of hydrogen to enhance brightness.Coal Mining Industry: Specialized nitrogen generators are used for fire prevention and extinguishing, as well as gas and coal seam dilution in coal mining. They are available in three specifications: ground fixed, ground mobile, and underground mobile, fully meeting nitrogen demands under various working conditions.Rubber and Tire Industry: Specialized nitrogen generators are suitable for nitrogen protection and molding during rubber and tire production vulcanization. Particularly in the production of all-steel radial tires, the new nitrogen vulcanization process is gradually replacing steam vulcanization. They feature high nitrogen purity, continuous production, and relatively high nitrogen pressure.Food Industry: Specialized nitrogen generators are applicable to green grain storage, food nitrogen packaging, vegetable preservation, and liquor sealing (canning) and storage.Explosion-Proof Type: Nitrogen generators are suitable for environments with explosion-proof requirements, such as the chemical and oil and gas industries.Pharmaceutical Industry: Specialized nitrogen generators are mainly used in drug production, storage, sealing, and packaging.Electronics Industry: Specialized nitrogen generators are suitable for semiconductor production and packaging, electronic component production, LED and LCD display manufacturing, and lithium battery production. They feature high purity, compact size, low noise, and low energy consumption.Containerized Type: Nitrogen generators are suitable for the oil, natural gas, chemical, and other related industries, offering strong adaptability and mobility. more>
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Stainless Steel Products Genuine Leather Furniture Gift Box Mold Cleaning Paste
$面议
Category: Hardware & Tools/Molds & Dies/Other Molds
Company: Dongguan Qishi Gangxin Crafts Factory
Product Description: Product Introduction:Mold-proof cleaning paste is a white creamy liquid composed of various natural brighteners, hydrolyzed silk peptide nutrient protectants, water-based film-forming agents, and formulated with nano antibacterial materials and organic, safe, and highly effective antimicrobial agents. It belongs to a non-releasing type of treatment agent that does not seep, migrate, or get consumed by microorganisms. Through a unique mechanical sterilization method (surface application), it imparts superior durability to the treated substrate and provides unique protective functions against microbial attacks, preventing damage caused by microorganisms, extending the service life of leather and fabrics, and enhancing the product's fullness in hand feel and value.As a durable antimicrobial treatment agent, it exhibits broad-spectrum antibacterial activity. It offers long-lasting antibacterial effects against molds, algae, and yeasts. It can be widely used in various production methods, such as batch and continuous processes, with minimal changes to the production process and equipment. It has the property of forming chemical bonds at room temperature, making it effective even with simple application methods, and remains stable under high temperatures. It is suitable for surface treatment of long and short fibers, fabrics, natural leather, and synthetic leather. Usage Instructions:Mold-proof cleaning paste can be directly blended into organic and inorganic formulations. It can also be used for treating organic and inorganic substrates, with applicable solvents including water, ethanol, ketones, esters, hydrocarbons, and chlorinated hydrocarbons. The treatment method involves applying a small amount of the mold-proof antibacterial paste to the leather surface using soft leather, a cloth, or a sponge for wiping. It can also remove byproducts like methanol. Before use, it is essential to conduct production-scale trials to determine application process conditions, such as time and temperature.Main Applications:Leather products, shoes, clothing, luggage, textiles, sofas, genuine leather furniture, bags, handbags, etc.Packaging Description:Mold-proof cleaning paste iHeir-QF is packaged in containers with a net weight of 30 kg per can.Precautions:When using, please wear disposable gloves and a mask. After use, securely tighten the lid and store in a suitable environment, avoiding areas with strong sunlight. more>
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Mining power box trumpet mouth connector M20x1.5 threaded connection customizable
$10
Category: Electrical Equipment & Supplies/Low Voltage Electrical/Motor Starters
Company: Shanghai Keyingfa Electrical Technology Co., Ltd.
Product Description: Shanghai Keyingfa Electric Technology Co., Ltd., after ten years of effort, has achieved mass production of M12 threaded interface connectors and sockets, as well as M8 connectors and sockets. Innovatively, it has developed high-temperature resistant and highly sealed socket products. Through scientific design and selection of high-quality raw materials, the products offer high reliability, addressing users' urgent needs and earning their appreciation. With stable quality and significant production capacity advantages, timely delivery is ensured. The current annual output is 1 million units (pieces). This series has passed the EU CE environmental protection directive certification. The company has passed the *** quality system certification. The main products in this series include: M12 sockets (panel mount, PCB solder, special type), 7/8 connectors, mining connectors, solar simulators, M8 connectors, etc. Our company is particularly adept at accepting custom product orders based on users' special requirements. If you need more detailed product parameters or business negotiations. more>
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Outdoor Wooden Planter Box - Landscape Wooden Flower Bed
Negotiable
Category: Machinery & Equipment/Agricultural Machinery/Other Agricultural Machinery
Company: Chengguan District Beimiantan Hongxin Landscape Wood Business Department
Product Description: Gansu Lanzhou Hongxin Landscape Timber Structure is a company engaged in the production and sales of preservative-treated wood, timber structure engineering construction, landscape engineering design, garden landscape timber structures, and timber structure villas; it also provides specialized paints for timber structures, as well as indoor and outdoor wooden wall panels. Main products and business scope: Scots pine, merbau, and various other types of preservative-treated wood, carbonized wood, pre-finished boards, timber structure villas, wooden pavilions, landscape timber bridges, wooden boardwalks, wooden floors, pergolas, trellises, grape arbors, waterfront platforms, eco-friendly wooden houses, flower boxes, flower beds, outdoor tables and chairs, swing chairs, landscape wooden railings, wooden fences, yacht docks, outdoor garden ornaments, and more. Preservative-treated wood products, steel-wood structures, timber houses, carbonized wood, timber structure villas, preservative-treated wood bridges, wooden boardwalks, preservative-treated wood flooring, preservative-treated wood pavilions, preservative-treated wood canopies, preservative-treated wood landscape bridges, flower boxes, wooden pergolas, trellises, landscape wooden railings, preservative-treated wood fences, and other wooden products.Gansu Lanzhou Hongxin Landscape Timber Structure is a company engaged in the production and sales of preservative-treated wood, timber structure engineering construction, landscape engineering design, garden landscape timber structures, and timber structure villas; it also provides specialized paints for timber structures, as well as indoor and outdoor wooden wall panels. Mainly produces, processes, sells, and wholesales preservative-treated wood, pavilions, and preservative-treated wood pavilions. The role of pavilions is, on one hand, to embellish garden spaces and enhance environmental quality. Pavilions are not only places for people to rest, enjoy shade, shelter from rain, and admire distant views, but they are also important scenic elements in gardens, enhancing the garden space and elevating the environmental level. When arranged appropriately, they can enliven the entire garden, playing a role in highlighting and complementing the scenery, adding the finishing touch. Landscape wooden pavilion installation projects, Hongxin Landscape Timber Structure Engineering. As a key element in garden landscape planning and design, pavilions play a significant role in residential area landscape planning. They can create scenery within a small area while also harmonizing with the overall landscape style of the community, highlighting its unique charm. There are many types of pavilions, commonly used in scenic areas, parks, or residential communities. Preservative-treated wood pavilions are characterized by their compact size, low material usage, flexible design, and ease of construction, making them well-suited for the needs of garden landscape layout. Hongxin Preservative-Treated Wood provides professional design, production, construction, and installation services for garden landscape preservative-treated wood products, offering a one-stop solution for customers. more>
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Stainless Steel Explosion-Proof Emergency Stop Button Box
$1
Category: Electrical Equipment & Supplies/Low Voltage Electrical/Master Control Devices
Company: Yueqing Zhenlei Explosion-proof Electrical Appliance Co., Ltd.
Product Description: Stainless Steel Explosion-Proof Button Box Product Features:304 stainless steel housingThe housing adopts an increased safety structure, with strong waterproof and dustproof capabilities. The installed buttons, indicator lights, and ammeters are all explosion-proof components. Both conduit and cable wiring are acceptable.Excellent dustproof and waterproof performance.Modular structure, freely combinable as needed.Internally installed explosion-proof components such as switches, buttons, indicator lights, and meters.Range determined by the user.Conduit or cable wiring[Stainless Steel Explosion-Proof Button Box, available for selection based on specifications] Main Technical Parameters:Rated Voltage: 220/380VRated Current: 6, 10, 16AUtilization Category: AC-3 AC-4 Explosion-Proof Mark: Exde IIBT6 Exde IICT6Corrosion Resistance Level: WF1Protection Level: IP65Inlet Thread: M16~M50 G1/2-11/2Note: Please provide drawings and specify the explosion-proof level of the product when ordering.Shipping Instructions more>
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IIIC Dust Explosion-Proof Pressurized Cabinet Power Distribution Box
$3800
Category: Electrical Equipment & Supplies/Low Voltage Electrical/Low Voltage Switchgear
Company: Nanyang Shouan Explosion-proof Electrical Co., Ltd.
Product Description: IIIC Dust Explosion-Proof Enclosure, Dust Explosion-Proof Positive Pressure CabinetThe dust explosion-proof positive pressure cabinet is an explosion-proof electrical equipment used in environments with flammable and explosive dust particles. It prevents dust particles from coming into contact with electrical components such as online detection instruments, power supplies, circuit breakers, etc., ensuring the safety of the production environment.The dust explosion-proof positive pressure cabinet also features functions such as corrosion resistance, rain protection, overload protection, and leakage protection. Its distinctive function is cooling high-power electrical components (such as frequency converters) installed inside the positive pressure cabinet, providing protection for equipment like online monitoring devices to ensure their optimal operation. more>
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Detailed Introduction to BDF Hollow Floor Slabs (Thin-Walled Box Structures) in Changzhi City, Shanxi Province
Negotiable
Category: Others
Company:
Product Description: 山西省太原市清徐县鼎旺建材有限公司 网址:http://www.qingxudingwang.com 联系人:胡先生 联系电话:18703401090 空心楼盖的详细描述:     空心楼盖在地下工程中应用的经济优势 1、钢筋和砼用量:大为减少 采用空心楼盖后,与梁板结构比较钢筋用量和砼用量大大缩减,以长-宽8.4米-8.4米柱跨,1,5米浮土,消防车20KN荷载的地下车库为例,钢筋缩减量为22KG/平米,砼缩减量为40mm厚。跨度越大,荷载越大,越经济。但采用空心楼盖要增加梁板不需要的一项支出:空心楼盖构件的费用,梁板楼盖无此项支出。节省情况要参照当时物价行情。 2、基坑开挖土石方挖运工程量:大幅减少 根据经验,在地下建筑中采用空心暗梁楼盖,非人防部分一般可节省300-500mm层高,在人防建筑中一般可节省400-600mm层高,这样常见的两层地下建筑通常可以降低800-1200mm层高。 采用空心暗梁楼盖后按降低层高1米计算,每平米至少可减少1立方的土石方工程量,城区每立方35元的挖运费就可节省1.00乘35=35.00元/平米。 3、基坑护壁桩工程量:显著降低 深基坑支护方法众多,通常采用的有悬臂桩,锚杆,内支撑等。采用空心无梁楼盖后基坑挖深降低,土压力减少,桩身长度、埋置深度缩短13%,桩身直径缩小,桩配筋降低,锚杆数量及长度,内支撑构件的数量截面大小也有节省。 4、基础底板: 基坑挖深减少一米地下水位也随之降低一米,水压力减少P=1乘10=10KN.M2;基础底板和地基梁荷载减少10KN.M2,配筋和截面以及防水等级也有降低。在地下水位较高需设抗拔桩的情况下其数量和桩长也有所节省。 5、地下室外墙: (1)外墙的高度:采用空心楼盖可降低层高,外墙的高度也相应降低。 (2)外墙的土压力:地下室层高降低,外墙承受的土压力也相应减少。 (3)外墙的水压力:地下室层高降低,外墙承受的水压力也相应减少。 (4)外墙的配筋:由于外墙的土压力和水压力都减少,外墙的配筋也相应减少。 (5)外墙的防水:地下室层高降低,外墙的高度也相应减少,从而防水材料的用量也大大减少。 (6)外墙的抗渗等级:地下室层高降低,外墙的高度也相应减少,在保持外墙厚度不变的情况,外墙的抗渗等级也相应降低。 6、地下室楼梯: 地下室层高降低,楼梯梯段数量也相应减少,从而节约钢筋和混凝土的用量。 7、地下车库坡道: 坡度不变的情况下同样缩短。 8、地下室的施工时降水费用降低: 由于采用空心楼盖,地下室的层高可降低,尤其是二层或三层地下室的人工降水费用将大大减少。 9、地下室的侧面抺灰: 由于采用了空心楼盖,楼板底部平整,普通楼盖中的梁侧面抺灰工作量将大为削减。 10、地下室的竖向构件: 采用空心楼盖可降低层高,地下室的柱墙等竖向构件高度可减少,当保持地下室净空不变的情况下,空心楼盖的竖向构件的高度与普通楼盖相比,有明显的减少。 功能及运营优势 1、节约模板,梁侧抺灰 由于空心楼盖结构只须支设平模,可节约梁侧模板及梁侧抺灰和减少模板损耗,使模板重复辗转利用率大大提升。 2、施工速度加快: 采用空心楼盖大大缩短工期,提高施工速度约30%,从而减少施工设备的租赁费用和人工费用。 3、烟感,喷淋减少: 由于板底的平整,无需每区格设一烟感,可以减少烟感5/6,喷淋减少1/3. 4、竖向的水电,风管,电梯等构件长度的节约: 由于采用空心楼盖,在保持净空不变的情况下,其层高可减少,对应竖向构件尺寸减少为h=h梁高-h板厚,如三层地下则节约竖向构件约1.2米--1.8米以上。 5、缩短车道的长度,增加车位使用面积: 采用空心楼盖,由于可以减少层高,在坡道不变的情况下,从而可以缩短车道的长度,增加车位使用面积。 6、开孔洞方便: 空心楼盖开孔洞较方便,可以随便打膨胀螺栓,无需弹线定位。 7、安装管道方便: 楼盖内管线布设较为方便,楼盖下吊挂管件,桥梁,风管因无凸出梁而无需拐弯和变径,架设快捷方便,风阴小,节省造价。 8、减少行车噪音: 由于空心楼盖的空腔作用,能使行车等,撞击噪音大大减少。 9、减少裂缝开展: 由于空心板中纵横密布的暗肋,也是减少裂缝的可靠措施,密实性能好。 10、保温隔热效果好: 由于空心楼盖的封闭空腔结构减少了热量的传递,使隔热、保温性能得到显著提高,对于采用空调的建筑来说,大大地降低了空调费用,建筑节能效果显著。 国家863计划科研成果.建设部重点科技成果推广项目.大荷载大空间体现惊人经济性.环保,节能,降噪.已推广使用. more>
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HACH Total Phosphorus Reagent TNT844-CN, 25 tubes per box
Negotiable
Category: Chemicals/Laboratory Reagents/Laboratory Supplies
Company: Suzhou Sailiwei Instrument Equipment Co., Ltd.
Product Description: HACH Total Phosphorus Reagent for Active Phosphorus TNT844Pre-packaged reagent tubes with barcodes (TNTplusTM)All you need to do is insert the prepared reagent tube into the instrument, and the "barcode" takes care of the rest: ● Select the corresponding testing method ● Validate the standard curve ● Adjust the appropriate wavelength for testing ● Calculate and display results1. Pre-packaged reagent item number: Tubes come with barcodes, allowing the instrument to automatically recognize information and select the program for testing.2. Simple operation with accurate test results.3. Compatible with DR3900 and DR6000. Instructions for use: Insert the pre-packaged reagent tube (TNTplus) with the added water sample into the DR3900 or DR6000, and results can be read within 30 seconds.Technical ParametersTNT844-CNDR6000DR3900DR1900aa Phosphate, TNT+, High Range, pk/25 (0.5-5mg/L, PO4-P)Phosphorus, Acid, Hydrolyzable; Active Phosphorus (Ortho); Total Phosphorus0.5-5.0mg/L, PO4-P, (1.5-15.0mg/L, PO4)Our company represents products including near-infrared/mid-infrared/far-infrared spectrometers, Fourier transform infrared spectrometers, atomic absorption spectrometers, fluorescence spectrophotometers, UV/visible spectrophotometers, inductively coupled plasma mass spectrometers, inductively coupled plasma optical emission spectrometers, liquid chromatography systems, gas chromatography/mass spectrometry systems, triple quadrupole liquid chromatography-mass spectrometry systems, ion chromatographs, X-ray diffractometers, microplate readers, automatic potentiometric titrators, and water quality analyzers. Welcome to inquire for details. more>
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