Company Profile
Founded in 2011, Hunan Wofly Technology Co., Limited stands at the forefront of the fluid control industry. Specializing in high-purity fluid control valves and essential components, we proudly offer complete integrated gas distribution systems that redefine precision and safety. Our product line, certified by ISO 9001, includes top-tier diaphragm valves, pressure regulators, and precision instrumentation valves, each meticulously engineered to meet CE, RoHS, and SEMI S2 standards. Tailored for demanding applications in semiconductor fabrication, hydrogen energy infrastructure, and photovoltaic manufacturing, our solutions deliver unparalleled leak-tight performance in pristine, ultra-clean environments. With a steadfast 14-year dedication to elevating gas handling safety, Wofly is synonymous with certified reliability, backed by rigorous quality management systems. We are committed to empowering our global clientele across mission-critical industries, ensuring the highest standards of safety and performance.
Detailed Photos
WR21 Series - A Revolution in Gas Regulation
Harness the precision of a single stage piston sensing structure, designed for optimal performance.
Experience the versatility with a wider outlet pressure adjustment range, catering to diverse needs.
Engineered for compatibility, suitable for both non-corrosive and standard gases.
Equipped with a robust 20um filter element at the inlet to ensure purity and protection.
Optional oxygen environment application available for specialized use cases.
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 - Real-World Application and Success Stories
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