Company Profile
Founded in 2011, Hunan Wofly Technology Co., Limited stands as a beacon in the realm of high-purity fluid control, crafting superior valves and components, alongside sophisticated integrated gas distribution systems. Our expansive product lineup, proudly bearing the ISO 9001 certification, includes expertly engineered diaphragm valves, advanced pressure regulators, and precision instrumentation valves. Each product rigorously adheres to the highest industry standards, including CE, RoHS, and SEMI S2, ensuring they meet the demanding quality expectations for critical applications. Whether it's in the specialized domains of semiconductor fabrication, pioneering hydrogen energy infrastructure, or cutting-edge photovoltaic manufacturing, our solutions promise unmatched leak-tight performance in the most pristine environments. Over 14 years, Wofly's unwavering dedication to enhancing gas handling safety has resulted in certified reliable products, backed by stringent quality management practices, thus empowering our global clientele in mission-critical sectors.
Detailed Photos
WR21 Series
Crafted with precision, the WR21 Series boasts a single stage piston sensing structure, delivering exceptional reliability in various settings.
With its expansive outlet pressure adjustment range, this series meets a diverse array of pressure requirements seamlessly.
Expertly designed for compatibility with non-corrosive and standard gases, ensuring versatility and broad application.
An efficient 20um filter element is meticulously installed at the inlet, guaranteeing superior filtration and purity.
Embrace the option for oxygen environment applications, expanding the versatility and utility of this series.
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