Company Profile
Founded in the year 2011, Hunan Wofly Technology Co., Limited has emerged as a leader in the realm of high-purity fluid control valves and components. Our extensive expertise extends to providing integrated gas distribution systems that are unparalleled in their field. With a robust portfolio of ISO 9001-certified products, including diaphragm valves, pressure regulators, and precision instrumentation valves, each item proudly meets the stringent requirements of CE, RoHS, and SEMI S2 standards. Our products are meticulously engineered to cater to critical applications across various sectors such as semiconductor fabrication, hydrogen energy infrastructure, and photovoltaic manufacturing. They guarantee leak-tight performance in ultra-clean environments, making them indispensable for ensuring safety and efficiency. Over the past 14 years, our unwavering dedication to enhancing gas handling safety reflects in our delivery of certified reliability and our rigorous quality management systems. We proudly support a global clientele in mission-critical industries, driving future innovations and solutions.
Detailed Photos
WR21 Series
Featuring a single-stage piston sensing structure, this design ensures optimal performance and reliability.
Boasting a larger outlet pressure adjustment range for superior adaptability in diverse applications.
Versatile in its utility, it can be effectively used for non-corrosive and standard gases alike.
Equipped with a 20um filter element at the inlet, it provides enhanced filtration and protection.
Optional oxygen environment application offers added flexibility for 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