Product Parameters
| Main Structure Materials |
| No. |
Component |
Material |
| 1 |
Valve Body |
Stainless Steel 316L |
| 2 |
Valve Seat |
PCTFE (Polychlorotrifluoroethylene) |
| 3 |
Diaphragm |
Hastelloy |
| 4 |
Filter Element |
316L Stainless Steel |
| Specification |
| Maximum inlet pressure |
3000psig/4500psig |
| Outlet pressure range |
0~30,0~60,0~100,0~150,0~250psig |
| Working temperature |
-40ºC~+74ºC(-40ºF~+165ºF) |
| Leakage rate(Helium) |
Internal : ≤1×10^-7 mbar.l/s External : ≤1×10^-9 mbar.l/s |
| Flow coefficient |
Cv=0.05 |
| Valve body port |
Inlet:1/4NPT thread Outlet:1/4NPT thread |
| Pressure gauge port |
1/4NPT thread |
Features
Product Features
1. Double stage type diaphragm structure.
2. The corrugated diaphragm design provides excellent sensitivity and longevity.
3. Can be used for corrosive and toxic gases.
4. A 20um filter element is installed at the inlet.
5. Oxygen environment application is optional.
Packaging & Shipping
Package and Delivery
Export packing standard:Double plastic bags with internal vacuum and external plastic sealing+corrugated carton+ cardboard boxes+wooden pallet
Our Advantages
1. Clean process:The cleaning and packaging of products conform to ASTM G93 C standard.
2. What you see is what you get: What you see in our product pictures is exactly what you receive-the true embodiment of high-quality technology.
3. Surface roughness:Wofly's EP-grade product Surface roughness reached Ra 0.13 um ,BA-grade product Surface roughness reached Ra 0.25 um.
4. Purity applications: BA-grade products can be applied to gases below 6N purity,EP-grade products can be applied to 9N purity gases.
5. Compact design:Unlike other heavy and oversized valves, which take up too much space, our valves and fittings are compact in design and easy to operate.
Company Real Scene Display
1. Clean workshop
Clean workshop assembly: All products have been assembled in class 100 and class 1000 clean workshops, and 100% of them have passed the helium seal test and functional test before leaving the factory.
At present, Wofly has built class 100 (over 100m2) and class 1000 (over 500m2) dust-free workshops.
2. Machining workshop
Wofly is different from those companies whose spare parts are provided by suppliers and assembled by themselves. All the accessories of Wofly are produced by ourselves, with strict quality control and unified quality standards. Accurate and advanced equipment is adopted to ensure the accuracy and cleanliness requirements of products.
FAQ
FAQ
1. What's your payment ?
A:T/T,Western Union, Paypal, credit card and trade assurance on Made in China.
2. Where is there market for your factory?
A:Southeast Asia ,UNE,and America ,Europe.
3. Can you surpport OEM,ODM ?
A:Yes,we can.
4. Can you accept sample order and what is your MOQ?
A:All products are in stock, MOQ is 1 pcs, Generally according to the requirements of customers, no matter how many we can accept.
5. Which certificate do you have?
A:ISO9001,CE,RoHS.
6. What is your Brand?
A:VOCK.
7. What is your warranty?
A:1 year warranty.
8. Do your products meet the market standards??
A:Our products are designed according to market standards, with standard dimensions, occupying no extra space, and can be replaced with first-line brands.
9. What is your delivery time(D/T)?
A:1~2 weeks.
10. Did you test all goods before delivery?
A:100% passed pressure and helium leak detection tests.
11. Do you have a patent for your invention?
A:Yes ,we have more than 40 patents, including 16 national patents.
12. What are your testing standards for your products?
A:Helium leakage rate reaches≤10-9mbarL/S, and fatigue life of pneumatic diaphragm valve reaches 400W times.
13. Which standard material Wofly choose ?
A:Material :
1. valve body:SEMI standard 316L rod, 316L VAR and 316L VIM-VAR are optional.
2. diaphragm strip:Hastelloy and nickel-cobalt alloy imported from the United States or Europe .
3. valve seat:PCTFE, PFA.
14. How to manage and control produce process ?
A: 1. Wofly strictly obeys ISO9001-2015 quality management system.
2.The ultrasonic cleaning, welding, assembly, testing and packaging of the valve are completed in the clean workshop.
3.Each process is monitored, tested and recorded by the quality Department specialist to ensure the reliability of each process index.
15. Can after-sales service and technical consultation be provided in time?
A:Technical services are available 24H/D.Our technical team can provide technical services for pre-sale, after-sale, installation and research and development of new products.
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