Company Profile
Founded in the year 2011, Hunan Wofly Technology Co., Limited stands at the forefront of innovation in high-purity fluid control valves and components. Our expertise extends to the provision of integrated gas distribution systems, all meticulously crafted to meet the highest standards of excellence. Certified under ISO 9001, our extensive product line includes top-tier diaphragm valves, pressure regulators, and precision instrumentation valves, each adhering to CE, RoHS, and SEMI S2 standards. Our solutions are engineered with precision for critical applications, including semiconductor fabrication, hydrogen energy infrastructure, and photovoltaic manufacturing, ensuring unmatched leak-tight performance in ultra-clean environments. With a steadfast commitment spanning 14 years, Wofly advances the safety of gas handling, delivering certified reliability through comprehensive and rigorous quality management systems. We are proud to support global clients across mission-critical industries, providing unparalleled peace of mind with our state-of-the-art technological solutions.
Detailed Photos
WR21 Series
Featuring a robust single-stage piston sensing structure designed for seamless performance.
Boasts an impressive and versatile outlet pressure adjustment range to cater to various needs.
Versatile compatibility for both non-corrosive and standard gases, ensuring broad applicability.
Equipped with a high-efficiency 20um filter element at the inlet for optimal functionality.
Optional oxygen environment application available, enhancing adaptability for specific uses.
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