Company Profile
Founded in 2011, Hunan Wofly Technology Co., Limited has firmly established itself as a pioneer in the realm of high-purity fluid control valves and components, also excelling in the provision of integrated gas distribution systems. Our esteemed ISO 9001 certification attests to our unwavering dedication to quality, ensuring that our comprehensive product range-including diaphragm valves, pressure regulators, and precision instrumentation valves-adheres to the strictest CE, RoHS, and SEMI S2 industry standards. Designed for excellence in critical sectors such as semiconductor fabrication, hydrogen energy infrastructure, and photovoltaic manufacturing, our solutions guarantee unmatched leak-tight performance within ultra-clean environments. Celebrating a 14-year legacy of innovation in gas handling safety, Wofly is synonymous with certified reliability, achieved through rigorous quality management systems. Our commitment is evident as we support global clients operating in mission-critical industries, consistently driving their success.
Detailed Photos
WR21 Series
Featuring a single stage piston sensing structure, this design offers enhanced precision and reliability.
Boasting an extensive outlet pressure adjustment range, our product ensures flexibility and adaptability for various applications.
Ideally suited for use with non-corrosive and standard gases, providing versatility and efficiency.
Equipped with a sophisticated 20um filter element at the inlet, ensuring superior filtration and protection.
Optional oxygen environment application available, catering to specialized operational requirements.
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