Company Profile
Since its inception in 2011, Hunan Wofly Technology Co., Limited has carved a niche in the realm of high-purity fluid control valves and components. With a specialization in crafting comprehensive gas distribution systems, our illustrious collection of ISO 9001-certified products—ranging from meticulously engineered diaphragm valves and precision pressure regulators to state-of-the-art instrumentation valves—complies with the stringent dictates of CE, RoHS, and SEMI S2 standards. These meticulously engineered solutions are tailored for the most demanding applications, including the intricate realms of semiconductor fabrication, cutting-edge hydrogen energy infrastructure, and the rapidly evolving photovoltaic manufacturing sector. Our unwavering 14-year commitment to advancing gas handling safety is evident in our rigorous quality management systems, guaranteeing certified reliability to our esteemed global clientele in mission-critical industries, by assuring impeccable leak-tight performance in ultra-clean environments.
Detailed Photos
WR21 Series
The WR21 Series boasts a sophisticated single-stage piston sensing structure, offering unparalleled efficiency.
Designed with versatility in mind, it features a broader outlet pressure adjustment range to meet diverse needs.
Perfectly suited for non-corrosive and standard gases, this product ensures optimal functionality.
An advanced 20um filter element is expertly installed at the inlet to enhance performance.
Optional application in oxygen environments provides flexibility and 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