Company Profile
Established with precision in 2011, Hunan Wofly Technology Co., Limited has become a distinguished leader in high-purity fluid control solutions. Specializing in a comprehensive range of products, including diaphragm valves, pressure regulators, and intricate instrumentation valves, our offerings are engineered with exceptional care and certified by ISO 9001. Compliant with key international standards such as CE, RoHS, and SEMI S2, our products are crafted to meet the demands of critical applications across semiconductor fabrication, hydrogen energy infrastructures, and photovoltaic manufacturing. Designed for ultimate performance in ultra-clean environments, Wofly's solutions are synonymous with leak-tight excellence. With a steadfast 14-year dedication to enhancing gas handling safety, we ensure certified reliability through our meticulous quality management systems. Join our esteemed clientele in mission-critical industries worldwide, where our commitment to innovation and safety sets the benchmark for excellence.
Detailed Photos
WR21 Series
Featuring a robust single-stage piston sensing structure, this design elevates operational efficiency.
Experience the versatility of a larger outlet pressure adjustment range, catering to diverse needs.
Engineered to accommodate non-corrosive and standard gases seamlessly.
Incorporated with a precision 20um filter element at the inlet to enhance performance.
Optional enhancement for oxygen environment applications, demonstrating 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