Company Profile
Founded in 2011, Hunan Wofly Technology Co., Limited has rapidly emerged as an industry leader, specializing in the design and manufacture of high-purity fluid control valves and components. Our comprehensive solutions also include integrated gas distribution systems, providing unparalleled quality and reliability. Our product range, certified by ISO 9001, features diaphragm valves, pressure regulators, and precision instrumentation valves, adhering to the stringent standards of CE, RoHS, and SEMI S2. Crafted for critical applications, we serve sectors such as semiconductor fabrication, hydrogen energy infrastructure, and photovoltaic manufacturing, ensuring leak-tight performance in ultra-clean environments. With over a decade of dedicated innovation in gas-handling safety, Wofly Technology guarantees certified reliability, backed by our rigorous quality management systems, empowering global clients in mission-critical industries with unwavering performance.
Detailed Photos
WR21 Series
The WR21 Series features a single-stage piston sensing structure, ensuring precision and reliability in pressure regulation.
It boasts a larger outlet pressure adjustment range, offering versatility for varied operational needs.
Ideal for use with non-corrosive and standard gases, ensuring broad compatibility and safe operation.
Equipped with a 20um filter element installed at the inlet, it effectively prevents particle contamination, ensuring clean gas flow.
Optional oxygen environment application, providing flexibility for specialized gas handling 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