Company Profile
Founded in 2011, Hunan Wofly Technology Co., Limited is a trusted leader in the realm of high-purity fluid control valves and components. Our dedicated expertise extends to the provision of sophisticated, integrated gas distribution systems. We proudly uphold the ISO 9001 certification, ensuring our expansive product array—including precision diaphragm valves, steadfast pressure regulators, and intricate instrumentation valves—aligns with CE, RoHS, and SEMI S2 standards. Designed meticulously for critical applications in advanced sectors such as semiconductor fabrication, innovative hydrogen energy infrastructure, and cutting-edge photovoltaic manufacturing, our solutions are synonymous with leak-tight performance even in ultra-clean environments. Embodying a steadfast 14-year commitment to the enhancement of gas handling safety, Wofly Technology delivers unparalleled certified reliability. Our rigorous quality management systems support a global clientele, underscoring our role as a pivotal partner in mission-critical industries worldwide.
Detailed Photos
WR21 Series
Featuring a single-stage piston sensing structure, the WR21 Series is engineered for optimal performance.
This series boasts an extensive outlet pressure adjustment range, providing versatility in various applications.
Designed for compatibility with non-corrosive and standard gases, ensuring broad applicability.
Equipped with a 20um filter element at the inlet, ensuring superior filtration and performance.
Optional oxygen environment application broadens the WR21 Series' utility.
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