Electric Water Control Valve
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OMAT Electric Water Control ValveOverview
OMAT electric low-noise cage control valves reduce noise from compressible fluids. To accommodate gas throttling, diffusion, and expansion, the sleeve features numerous symmetrical small holes to lower pressure drop. The valve plug employs a pressure-balanced structure. The fluid passage adopts an S-streamlined design and includes a guide vane to improve balanced fluid flow around the sleeve, resulting in minimal pressure loss, high flow capacity, low noise, anti-cavitation, and resistance to cavitation. The leakage of the control valve complies with the ANSI B16.104 standard.
Control valves are widely used and critically important control devices in industrial production. Their proper operation directly impacts the normal functioning of the entire plant. With the rapid advancement of control valve technology, there are numerous manufacturers and types of control valves, each with different functions. The following highlights common issues to consider during installation and before commissioning various types of control valves.
1. Incoming Inspection Before Installation: Incoming inspection of control valves is a crucial step to verify that the delivered valves meet design requirements. While all technical specifications should align with the design, the following items should be emphasized during inspection.
2. Valve Body/Internal Parts Specifications: This includes valve model, type, nominal diameter, seat size, plug type, flow characteristics, leakage class, body material, plug material, seat material, CV value, flange standard grade dimensions, and sealing face type. Any discrepancy from the design must be confirmed and approved by the design team.
3. Actuator Section: Key items to check include actuator model, type, action type, spring range, and air supply pressure.
4. Signal and Accessories: This involves inspecting signal type, air source pressure, electrical and pneumatic interface dimensions, and explosion-proof rating, which must not be lower than the design requirement.
5. Accessories: Carefully review all accessories as per the design specifications, such as filter regulators, position switches, solenoid valves, handwheel mechanisms, and special tools. Inspection methods include visual checks, measuring instruments, reviewing nameplates, and specialized testing (e.g., spectral analysis for flange and bolt materials).
6. Hydrostatic Testing: Valve body hydrostatic tests include pressure resistance tests and leakage tests with the plug fully closed. Typically, for valves designed for pressures exceeding 10 MPa, pressure resistance tests are necessary to validate the integrity of the valve body and bonnet.
OMAT Electric Water Control ValveFeatures
Type | Straight-through Cast Globe Valve |
Nominal Diameter | 40~200mm |
Nominal Pressure | ANSI 125~600JIS 10~40KPN1.6~6.4MPa |
Connection Type | |
Flange Connection | RF, RJ, LG, Grooved, Insert Type |
Flange Standard | JIS B2201-1984, ANSI B16.5-1981, JB79-59, etc. |
Welded Connection | Socket Weld SW (40～50mm) Butt Weld BW (65～200mm) |
Material | Cast Steel (ZG230-450), Cast Stainless Steel (ZGCr18Ni9Ti, ZGCr18Ni12Mo2Ti, |
Bonnet | Standard Temperature (P): -5～+230℃ Extended Type I (EⅠ): +230～+566℃ |
Note: Operating temperature must not exceed the allowable range of materials | |
Gland Type | Bolted Gland |
Packing | V-type PTFE Packing, PTFE-Impregnated Asbestos Packing, Braided Asbestos Packing, Graphite Packing |
Plug Type | Pressure-Balanced Plug with Metal Seat |
Flow Characteristic | Linear (LV) |
Note: Integral and separable sleeves depend on nominal diameter, material, and operating temperature | |
Material | Stainless Steel (1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti, 17-4PH, 9Cr18, 316L), Titanium, Corrosion-Resistant Alloys, etc. |
Actuator | |
Type: OMAT Series Electric Actuator; 361L Series Electronic Electric Actuator; SKZ Series Electronic Electric Actuator | |
PSL Series Electronic Electric Actuator | |
Signal: OMAT Actuator: Type II 0～10mA DC (Resistance 200Ω); Type III 4～20mA DC (Resistance 250Ω) | |
361L Actuator | 4～20mA DC or 1～5V (Resistance 250Ω) |
OMAT Actuator | 4～20mA DC, 1-5V DC |
PSL Actuator | 4～20mA DC |
Power Supply Voltage | |
OMAT Actuator | 220V, 50Hz |
361L Actuator | 220V, 50/60Hz |
SKZ Actuator | Single-Phase Control 220V, 50Hz |
PSL Actuator | Single-Phase Control 220V, 50Hz; Three-Phase Control 380V, 50Hz |
Manual Mechanism | |
OMAT Actuator | Handwheel |
361L Actuator | Clutch Type |
SKZ Actuator | Handwheel |
PSL Actuator | Handwheel |
Valve Action Type | Fail-Close or Fail-Open |
Actuator Performance | |
OMAT Electric Water Control ValveDetailed Parameters
Diameter: DN15～300mm
Pressure: PN10～PN420
Operating Temperature: -30～+425℃
Applicable Media: Water, Oil, Gas, etc.
Connection: Flange or Welded
Body Material: WCB, 304, 316
Disc Material: 304, 316, PTFE-Lined
Sealing Material: PTFE, 304, 316
Flow Direction: Unidirectional
Application: Regulation
Actuation: Electric
Type: Straight-Through
| Industry Category | Machinery |
|---|---|
| Product Category | |
| Brand: | 欧玛特 |
| Spec: | |
| Stock: | |
| Origin: | China / Guangdong / Huizhoushi |
