


Metal to metal seal provides leak-free service in to high pressure range vacuum
Small internal volume, can completely purge the flow
path
Fully wrapped seat design, with superior
nti-expansion
and anti-pollution capabilities
Nickel-cobalt alloy diaphragm for higher durability
and corrosion resistance
The standard roughness is Ra0.25μm(BA class) or
electrolytically polished Ra0.13μm(EP class)
Helium test leakage rate<1x10 mbar·l/s
Pneumatic executor s are vailable,Pneum
Company Profile






tal to metal seal provides leak-free service in to high pressure range vacuum
Small internal volume, can completely purge the flow
path
Fully wrapped seat design, with superior anti-expansion
and anti-pollution capabilities
Nickel-cobalt alloy diaphragm for higher durability
and corrosion resistance
The standard roughness is Ra0.25μm(BA class) or
electrolytically polished Ra0.13μm(EP class)
Helium test leakage rate<1x10 ar·l/s
Pneumatic ecutor s are available,Pneumatic valve life
up to 3 million
Detailed Photos
Product Parameters
Basic Ordering Number |
Connector types and specification |
Dimension A in. (mm) |
Dimension B in. (mm) |
Dimension C in. (mm) |
Dimension L in. (mm) |
WV4 - 6L - TW4 - |
1/4" Tube butt weld |
0.44(11.2) |
0.53(13.6) |
1.06(26.9) |
2.13(54.0) |
WV4 - 6L - TW6 - |
3/8" Tube butt weld |
0.44(11.2) |
0.83(21.1) |
1.06(26.9) |
2.72(69.0) |
WV4 - 6L - FR4 - |
1/4" Female VCR connector |
0.44(11.2) |
0.86(21.8) |
1.06(26.9) |
2.78(70.6) |
WV4 - 6L - MR4 - |
1/4" Integral male VCR connector |
0.44(11.2) |
0.62(15.7) |
1.06(26.9) |
2.24(57.0) |
WV4 - 6L - TF4 - |
1/4" Ferrule connector |
0.44(11.2) |
0.71(18.0) |
1.06(26.9) |
2.47(62.8) |


Packaging & Shipping
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