Company Profile
Established in the dynamic year of 2011, Hunan Wofly Technology Co., Limited has forged a prestigious reputation as an industry leader in the realm of high-purity fluid control solutions. Specializing in valves and components, we offer state-of-the-art integrated gas distribution systems. Our extensive portfolio is proudly ISO 9001-certified, featuring cutting-edge diaphragm valves, precision-driven pressure regulators, and sophisticated instrumentation valves, all of which align with the rigorous CE, RoHS, and SEMI S2 standards. Meticulously engineered for the most demanding applications, such as semiconductor fabrication, hydrogen energy infrastructure, and photovoltaic manufacturing, our solutions guarantee impeccable leak-tight performance and operate seamlessly in ultra-clean environments. With an unwavering 14-year dedication to enhancing gas handling safety, Wofly stands as a beacon of certified reliability. Through our rigorous quality management systems, we empower global clients in mission-critical industries, ensuring seamless operations and unparalleled performance.
Detailed Photos
WR21 Series
Featuring a sophisticated single-stage piston sensing structure
Designed with an expansive outlet pressure adjustment range to suit diverse needs
Versatile application for both non-corrosive and standard gases
Equipped with a high-efficiency 20um filter element at the inlet
Optional configuration available for oxygen environment applications
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