Company Profile
Founded in 2011, Hunan Wofly Technology Co., Limited is a pioneering leader in the realm of high-purity fluid control valves and essential components. We proudly offer comprehensive integrated gas distribution systems. Our prestigious ISO 9001 certification underlines our commitment to excellence, with a product portfolio that includes expertly crafted diaphragm valves, robust pressure regulators, and precise instrumentation valves. All of these meet stringent CE, RoHS, and SEMI S2 standards, ensuring unmatched quality and safety. Our engineering is tailored for critical applications, such as semiconductor fabrication, innovative hydrogen energy solutions, and photovoltaic manufacturing. These solutions promise exceptional leak-tight performance in the ultra-clean environments necessary for your industry. With over a decade of dedication to enhancing gas handling safety, Wofly stands as a beacon of certified reliability, leveraging rigorous quality management systems. Our unwavering support for global clients in mission-critical industries is a testament to our expertise and commitment.
Detailed Photos
WR21 Series
Crafted with a single-stage piston sensing structure for unmatched performance and reliability.
Designed with a remarkable larger outlet pressure adjustment range, accommodating diverse needs.
Perfectly suited for use with both non-corrosive and standard gases, ensuring versatile functionality.
Equipped with a high-efficiency 20um filter element at the inlet to guarantee purity and performance.
Optional application for oxygen environments, enhancing product versatility and safety.
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