Company Profile
Founded in 2011, Hunan Wofly Technology Co., Limited stands at the forefront of the industry as a distinguished specialist in high-purity fluid control valves and components. We offer integrated gas distribution systems that are second to none. Our commitment to quality is mirrored by our ISO 9001 certification, reflecting the precision and reliability of our comprehensive product range. This range includes diaphragm valves, pressure regulators, and precision instrumentation valves, all engineered to meet CE, RoHS, and SEMI S2 standards. Designed for the most demanding applications, our products are pivotal in semiconductor fabrication, hydrogen energy infrastructure, and photovoltaic manufacturing. The hallmark of Wofly's solutions is their uncompromising leak-tight performance in ultra-clean environments, underpinned by a 14-year legacy of advancing gas handling safety. Our commitment to excellence is further exemplified through rigorous quality management systems. We pride ourselves in delivering certified reliability, supporting our esteemed global clientele in mission-critical industries.
Detailed Photos
WR21 Series
Boasting a single stage piston sensing structure, this innovative design ensures optimal functionality.
This model features an extensive outlet pressure adjustment range, catering to varied industrial needs.
Perfectly suited for both non-corrosive and standard gases, offering wide application versatility.
Equipped with a 20um filter element at the inlet, ensuring superior filtration and enhanced performance.
For specialized requirements, an oxygen environment application is available as an optional feature.
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