Product Parameters
WV4H Series High Pressure Manual/Pneumatic Diaphragm Valves
Technical data Port Dimension :1/4"
Flow coefficient(Cv):0.2
Maximum working pressure Manual:310 bar(4500 PSIG) Pneumatic:206 bar(3000 PSIG)
Pneumatic actuator working pressure:4.2~6.2 bar(60~90 PSIG)
Working temperature PCTFE:-23~65ºC(-10~150ºF)
Leakage rate (Helium) Inside:≤1x10 mbar·l/s Outside:≤1x10 mbar·l/s
Clean process BA:Welded joints are cleaned in accordance with our standard cleaning and packaging specifications. EP:Provides controlled surface finish, electrolytic polishing Ra0.13μm, ultrasonic cleaning with deionized water. To order, add the suffix -EP to the order number
| Parameter |
Value |
| Applicable Medium |
Gas |
| Operating Temperature |
Ordinary Temperature |
| Actuation Method |
Manual |
| Connection Type |
Internal Threaded Connection Diaphragm |
| Material |
Stainless Steel |
| Structure |
Global Diaphragm Valve |
| Pressure Environment |
Ordinary Temperature |
| Flow Direction |
Unidirection |
| Functions |
Other (Manual) |
| Applications |
Safety, Flow Control, Other (Stop Gas) |
| Standards |
ANSI |
| Shipping Packaging |
Standard export package |
| Specification |
Port size: 1/4 inch VCR Male thread |
| Trademark |
AFKLOK |
| Place of Origin |
Hunan Province, China |
| Body Port Dimension |
1/4" |
| Flow coefficient(Cv) |
0.2 |
| Maximum working pressure (bar) |
310bar |
| Maximum working pressure (psi) |
4500psi |
| Maximum working pressure (MPa) |
31MPa |
| Maximum working pressure (kgf/cm²) |
316kgf/cm² |
| Working temperature |
PCTFE: -23 - 65°C (-10 - 150°F) |
| Basic Ordering Number |
Connector types and specification |
Dimension in. (mm) - A |
Dimension in. (mm) - B |
Dimension in. (mm) - C |
Dimension in. (mm) - L |
| WV4H-6L-TW4- |
1/4" Tube butt weld connector |
0.44(11.2) |
0.50(12.7) |
1.12(28.6) |
2.13(54.0) |
| WV4H-6L-FR4- |
1/4" Female VCR connector |
0.44(11.2) |
0.83(21.1) |
1.12(28.6) |
2.78(70.6) |
| WV4H-6L-MR4- |
1/4" Integral male VCR connector |
0.44(11.2) |
0.86(14.9) |
1.12(28.6) |
2.24(57.0) |
| WV4H-6L-TF4- |
1/4" Ferrule connector |
0.44(11.2) |
0.70(17.9) |
1.12(28.6) |
2.54(64.4) |
Detailed Photos
Company Profile
Wolfy Group Founded in 2011, Wofly Technology specializes in high-purity fluid control valves and components, and provides integrated gas distribution systems. Our ISO 9001-certified product portfolio-including diaphragm valves, pressure regulators, and precision instrumentation valves-complies with CE, RoHS, and SEMI S2 standards. Engineered for critical applications in semiconductor fabrication, hydrogen energy infrastructure, and photovoltaic manufacturing, our solutions ensure leak-tight performance in ultra-clean environments. With 14-year commitment to advancing gas handling safety, Wofly delivers certified reliability through rigorous quality management systems, supporting global clients in mission-critical industries.
Certifications
1.What's the MOQ?
A: , All products are in stock, MOQ is 1 pcs, Generally according to the requirements of customers, no matter how
many we can accept.
2.Do you test all goods before delivery?
A: We have the stric QC process and offer you the videos of all step.
3. If any question when I got the product,how to solve it?
A: The product have warranty and we will offer you the online or video technical support.
4. Do you accept OEM order? (Can I make in my brand or any sticker? )
A: Yes, MOQ is 100 piece.
5. How long will the shipment take?
A: .If it's express, it will take 3~7days. If it by sea,it will take about 20~20days
6.What kinds of payment do you accept?
A: T/T,Western Union, Paypal, credit card and trade assurance on MIC
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