Company Profile
Since its inception in 2011, Hunan Wofly Technology Co., Limited has been at the forefront of innovative fluid control solutions, specializing in high-purity components and seamless gas distribution systems. Our comprehensive product range, backed by ISO 9001 certification, includes state-of-the-art diaphragm valves, robust pressure regulators, and high-precision instrumentation valves-all designed to meet the stringent requirements of CE, RoHS, and SEMI S2 standards. Tailored for critical sectors such as semiconductor manufacturing, hydrogen energy development, and photovoltaic production, our products deliver unmatched leak-tight reliability in ultra-clean environments. With over a decade of unwavering dedication to enhancing gas handling safety, Wofly exemplifies certified excellence through our rigorous quality management protocols, serving a diverse array of global industries with mission-critical precision.
Detailed Photos
WR21 Series
Featuring an advanced single stage piston sensing structure, this design ensures consistent performance and reliability.
Experience the versatility of a broader outlet pressure adjustment range, designed to meet diverse operational needs.
Engineered for compatibility with both non-corrosive and standard gases, offering flexibility across various applications.
Equipped with a precision-engineered 20um filter element at the inlet to ensure purity and performance integrity.
Optional configurations available for oxygen environment applications, expanding versatility and functionality.
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