Company Profile
Established in the dynamic year of 2011, Hunan Wofly Technology Co., Limited stands as a beacon of innovation and excellence in the realm of high-purity fluid control solutions. Specializing in fluid control valves and components, we are proud to offer integrated gas distribution systems that cater to a myriad of critical applications. Our extensive, ISO 9001-certified product lineup features state-of-the-art diaphragm valves, precision pressure regulators, and cutting-edge instrumentation valves, each meticulously designed to meet CE, RoHS, and SEMI S2 standards. Our products are engineered to excel in mission-critical environments such as semiconductor fabrication, hydrogen energy infrastructure, and photovoltaic manufacturing, delivering unmatched leak-tight performance and reliability in ultra-clean settings. With an unwavering 14-year dedication to enhancing gas handling safety, Wofly Technology is synonymous with certified reliability and rigorous quality management systems, empowering global clients to thrive in their respective industries.
Detailed Photos
WR21 Series
Built with a single-stage piston sensing structure, this product revolutionizes efficiency and performance.
Boasting an extensive outlet pressure adjustment range, it caters to diverse application needs with precision.
Versatile in nature, it is crafted to be compatible with both non-corrosive and standard gases, ensuring flexibility in usage.
A meticulously designed 20um filter element is strategically installed at the inlet to guarantee purity and performance.
For specialized requirements, an oxygen environment application option is available, enhancing 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