Company Profile
Founded in 2011, Hunan Wofly Technology Co., Limited has emerged as a distinguished leader in the realm of high-purity fluid control valves and components, offering integrated gas distribution systems of unparalleled quality. Proudly certified by ISO 9001, our extensive product line features an array of diaphragm valves, pressure regulators, and precision instrumentation valves, all meticulously designed to meet and exceed CE, RoHS, and SEMI S2 standards. Engineered to perfection for critical applications including semiconductor fabrication, hydrogen energy infrastructure, and photovoltaic manufacturing, our solutions guarantee leak-tight performance in the most demanding ultra-clean environments. With a steadfast commitment over 14 years to enhancing gas handling safety, Wofly Technology ensures certified reliability and exceptional quality through our rigorous management systems, proudly supporting global clients in their mission-critical industries.
Detailed Photos
WR21 Series
Introducing the WR21 Series: a remarkable single-stage piston sensing structure, meticulously crafted for precision and reliability.
Experience unparalleled versatility with its larger outlet pressure adjustment range, tailored to meet diverse needs.
Expertly compatible with non-corrosive and standard gases, ensuring broad application scope and superior performance.
Equipped with a 20um filter element at the inlet, it offers enhanced protection and superior operational efficiency.
Optimize performance in specialized settings with our optional oxygen environment application feature.
Packaging & Shipping
Product Parameters
Product model |
Valve body material |
Inlet pressure P1 |
Outlet pressure range P2 |
Orifice configuration |
Port 1 2 3 4 |
Special application |
Installation |
The overall model is WR21 - 6L - 45 - 1500 - D - 00 M M 00 - V - Z (specific model not separately specified) |
6L - 316L Stainless steel
B - Brass |
45 - 4500 PSIG
60 - 6000 PSIG |
1500 - 0 - 1500 PSIG
3000 - 0 - 3000 PSIG |
A - 1 inlet 1 outlet
B - 1 inlet 2 outlet
D - 2 inlet 2 outlet
For other ports, contact Hunan Wofly technicians. |
00 - 1/4" NPT female thread
10 - 1/4" Ferrule connector
11 - 3/8" Ferrule connector
M - Pressure gauge attached (PSI/Mpa) |
No requirement
V - spontaneous venting of pressure |
No requirement
Z - with 1 panel nut |



Certifications
Project Case
FAQ
1. who are we?
We are based in Hunan, China, start from 2011,sell to Domestic Market(50.00%),Southeast Asia(14.00%),North America(8.00%),Northern Europe(8.00%),Eastern Europe(5.00%),South Asia(2.00%),South America(2.00%),Western Europe(2.00%),Southern Europe(2.00%),Central America(2.00%),Mid East(2.00%),Eastern Asia(1.00%),Oceania(1.00%),Africa(1.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always following the quality standard for each production process
Always a pre-production sample before mass production;
Always final Inspection before shipment;
One year warranty
3.what can you buy from us?
Pressure Regulator, Instrumentation Valve, Gas delivery system, Tube&hose, Instrument fittings
4. why should you buy from us not from other suppliers?
Top quality with sweet price , Worldwide installation support,Global after-sales service
5. what services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,Western Union;
Language Spoken:English,Chinese
6 samples time
Within one week
7 Delivery time
within 30days after deposit and drawing confirmation
8 Warranty
to change new products if have any quality issue within once year after receipt of the products