Company Profile
Established in 2011, Hunan Wofly Technology Co., Limited stands at the forefront of excellence, specializing in premium high-purity fluid control valves and components. We pride ourselves on delivering comprehensive integrated gas distribution systems that meet the highest standards. Our impeccable product lineup, which includes diaphragm valves, pressure regulators, and precision instrumentation valves, proudly bears the ISO 9001 certification and adheres to CE, RoHS, and SEMI S2 standards. Our products are meticulously engineered for critical applications across semiconductor fabrication, hydrogen energy infrastructure, and photovoltaic manufacturing. Wofly's solutions guarantee leak-tight performance in ultra-clean environments. With a steadfast 14-year dedication to enhancing gas handling safety, Wofly Technology assures unparalleled reliability through stringent quality management systems, empowering global clients operating in mission-critical industries.
Detailed Photos
WR21 Series
Featuring a single-stage piston sensing structure, engineered for precision.
Exhibits a wider range for outlet pressure adjustment, providing versatility.
Designed for compatibility with non-corrosive and standard gases.
Equipped with a 20μm filter element at the inlet to ensure purity.
Optional application for oxygen environments, to suit your specific needs.
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