Company Profile
Founded in 2011, Hunan Wofly Technology Co., Limited has been at the forefront of innovation in high-purity fluid control valves and components. With a dedication to excellence, we provide sophisticated integrated gas distribution systems. Our product range is certified with ISO 9001 and meets the rigorous standards of CE, RoHS, and SEMI S2. Specially engineered to serve critical industries such as semiconductor fabrication, cutting-edge hydrogen energy infrastructure, and the fast-evolving photovoltaic manufacturing sector, our solutions are crafted to ensure impeccable leak-tight performance in ultra-clean settings. With an unwavering 14-year dedication to enhancing gas handling safety, Wofly is synonymous with certified reliability and robustness, offering unwavering support to global clients in mission-critical sectors through our comprehensive quality management systems.
Detailed Photos
WR21 Series
Boasting a single stage piston sensing structure, this product is a marvel of engineering.
Designed with versatility in mind, it offers an impressive range for outlet pressure adjustments.
Ideal for use with non-corrosive and standard gases, making it highly versatile.
A 20um filter element is meticulously installed at the inlet, ensuring superior performance.
Optionally available for use in oxygen environments, adding to its adaptability.
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