Company Profile
Founded in 2011, Hunan Wofly Technology Co., Limited has carved a niche in the realm of high-purity fluid control with our innovative gas distribution systems and components. Renowned for our excellence, we bring forth an ISO 9001-certified range encapsulating diaphragm valves, pressure regulators, and precision instrumentation valves, all crafted to meet the rigorous CE, RoHS, and SEMI S2 standards. Our products are meticulously engineered for the precision-driven sectors such as semiconductor fabrication, hydrogen energy infrastructure, and photovoltaic manufacturing, ensuring impeccable leak-tight performance in ultra-clean environments. With a steadfast 14-year commitment to the advancement of gas handling safety, Wofly stands as a beacon of certified reliability. Our rigorous quality management systems underpin our dedication to supporting global clients in mission-critical industries, ensuring that their operations run smoothly and safely.
Detailed Photos
WR21 Series
Unveiling the single-stage piston sensing structure, a testament to our commitment to cutting-edge design.
Offers an expansive outlet pressure adjustment range, empowering you with flexibility and control.
Versatile use for non-corrosive and standard gases, making it a fitting choice for various applications.
Equipped with a robust 20µm filter element at the inlet, enhancing the reliability of performance.
Optional oxygen environment application available, catering to specialized 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