Company Profile
Founded in 2011, Hunan Wofly Technology Co., Limited has emerged as a frontrunner in the domain of high-purity fluid control valves and components. Specializing in the provision of integrated gas distribution systems, our cutting-edge solutions are ISO 9001-certified and encompass a wide range of products including diaphragm valves, pressure regulators, and precision instrumentation valves. Our offerings are meticulously engineered to comply with CE, RoHS, and SEMI S2 standards, guaranteeing premier performance in semiconductor fabrication, hydrogen energy infrastructure, and photovoltaic manufacturing sectors. Designed to ensure leak-proof efficiency in ultra-clean environments, Wofly Technology upholds a steadfast 14-year commitment to enhancing gas handling safety. Through rigorous quality management systems, we deliver certified reliability, empowering global clients in mission-critical industries to achieve their goals with utmost confidence and precision.
Detailed Photos
WR21 Series
Engineered with a single-stage piston sensing structure for optimal performance.
Features an expansive outlet pressure adjustment range for versatile applications.
Expertly crafted for use with non-corrosive and standard gases, ensuring adaptability.
Equipped with a robust 20um filter element at the inlet for enhanced filtration.
Optional application in oxygen-rich environments for added versatility.
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