Company Profile
Hunan Wofly Technology Co., Limited, established in 2011, is at the forefront of innovation in high-purity fluid control. Our offerings include a comprehensive range of precision-engineered valves and components that are pivotal in ensuring seamless gas distribution. We pride ourselves on our ISO 9001-certified catalog which showcases diaphragm valves, state-of-the-art pressure regulators, and instrumentation valves designed to perfection. Our products not only meet but exceed standards such as CE, RoHS, and SEMI S2, making them the ideal choice for critical industries such as semiconductor fabrication, hydrogen energy, and photovoltaic manufacturing. With a steadfast dedication to safety and reliability over the past 14 years, Wofly embodies excellence in leak-tight performance, particularly essential in ultra-clean settings. Our unwavering commitment to quality and our rigorous management systems empower us to support global clients in achieving their mission-critical objectives.
Detailed Photos
WR21 Series
Featuring a single stage piston sensing structure, our design offers precision control.
Enjoy an extensive range for outlet pressure adjustments, catering to diverse needs.
Engineered for versatility, our regulator accommodates both non-corrosive and standard gases.
Equipped with a 20um filter element at the inlet to ensure purity and performance.
Optional enhancements are available for use in oxygen-rich environments.
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