📋 Basic Information
Model NO.
WV4H-4500PSI -VCR -EP
Structure
Global Diaphragm Valve
Maximum Pressure
310bar (4500psi)
Connection
Internal Threaded VCR
Usage
Safety, Flow Control, Stop Gas
⚙️ Product Parameters
WV4H Series High Pressure Manual/Pneumatic Diaphragm Valves
Technical data Port Dimension: 1/4"
Maximum working pressure Manual: 310 bar (4500 PSIG) | Pneumatic: 206 bar (3000 PSIG)
Working temperature PCTFE: -23~65ºC (-10~150ºF)
Leakage rate (Helium) Inside: ≤1x10 mbar·l/s | Outside: ≤1x10 mbar·l/s
| Parameter |
Value |
| Applicable Medium | Gas |
| Operating Temperature | Ordinary Temperature |
| Diaphragm Material | Nickel-Cobalt Alloy |
| EP Class | Ra0.13μm (Electrolytic Polishing) |
| Life Time | Higher Durability |
| Corrosion Resistance | High-Level |
🆔 Ordering Information
| Basic Ordering Number |
Connector Types |
Dim A (mm) |
Dim L (mm) |
| WV4H-6L-TW4- | 1/4" Tube butt weld | 11.2 | 54.0 |
| WV4H-6L-FR4- | 1/4" Female VCR | 11.2 | 70.6 |
| WV4H-6L-MR4- | 1/4" Integral male VCR | 11.2 | 57.0 |
| WV4H-6L-TF4- | 1/4" Ferrule connector | 11.2 | 64.4 |
📸 Detailed Photos
🏭 Production Capability
Specializing in high-purity fluid control valves and components, providing integrated gas distribution systems. The ISO 9001-certified product portfolio includes diaphragm valves, pressure regulators, and precision instrumentation valves, complying with CE, RoHS, and SEMI S2 standards. Engineered for critical applications in semiconductor fabrication, hydrogen energy infrastructure, and photovoltaic manufacturing.
📜 Certifications
❓ Frequently Asked Questions
What is the maximum working pressure for this manual diaphragm valve?
The manual version of the WV4H series can handle a maximum working pressure of 310 bar (4500 PSIG).
What materials are used for the valve diaphragm?
The diaphragm is constructed from high-durability Nickel-Cobalt Alloy to ensure long life and corrosion resistance.
Is this valve suitable for ultra-high purity gas applications?
Yes, the EP (Electropolished) class provides a surface finish of Ra 0.13μm and undergo ultrasonic cleaning with deionized water, making it ideal for cleanroom environments.
What are the available connection types?
We offer several options including 1/4" Tube butt weld, Female VCR, Integral male VCR, and Ferrule connectors.
What is the temperature range for the PCTFE seat?
The PCTFE material allows for a working temperature range of -23°C to 65°C (-10°F to 150°F).
How is the leakage rate tested?
Leakage is tested using Helium. Both internal and external leakage rates are certified to be ≤1x10 mbar·l/s.
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