Company Profile
Founded in the pivotal year of 2011, Hunan Wofly Technology Co., Limited has emerged as a vanguard in the realm of high-purity fluid control valves and components, offering comprehensive solutions for integrated gas distribution systems. Our esteemed portfolio, proudly bearing the ISO 9001 certification, flaunts a robust array of diaphragm valves, pressure regulators, and precision instrumentation valves, all crafted to meet the rigorous standards of CE, RoHS, and SEMI S2. Tailored with precision for the most demanding applications in semiconductor fabrication, hydrogen energy infrastructure, and photovoltaic manufacturing, our solutions are meticulously engineered to deliver impeccable leak-tight performance in ultra-clean environments. With an unwavering 14-year dedication to enhancing gas handling safety, Wofly stands as a beacon of certified reliability, upheld by stringent quality management systems, to support our esteemed global clientele in their mission-critical industries.
Detailed Photos
WR21 Series
Featuring an advanced single-stage piston sensing structure, the WR21 Series is built for reliability and precision.
Boasting a broad outlet pressure adjustment range, this product is versatile for various applications.
Expertly designed for both non-corrosive and standard gases, offering flexibility in usage.
Equipped with a high-efficiency 20um filter element at the inlet to ensure purity and performance.
Optional oxygen environment application available, providing enhanced adaptability for 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