Stainless Steel female adapter Coupling with Female Thread Press Fitting

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Press fitting system joins pipe without welding or bolting. The components fit by crimping through the use of a special pressing tool. An O-ring that is inserted in the fitting ends of the pipe ensures a leak-proof connection. Press fitting system is the trend of pipeline industry; It is widely used in cold and hot water supply, heating supply, fire protection, medicinal gas, industrial petroleum pipeline system etc.

Size Range:
For the size range, there are 2 series, including GB 1 and GB 2 as follow:
GB 1 series' out diameters are: 18, 22, 28, 35, 42, 54, 76.1, 88.9, 108mm. (same size as Europe standard: DVGW W534: 1995);
GB 2 series' out diameters are: 15.88, 22.22, 28.58, 34.00, 42.7, 48.6, 76.1, 88.9, 108mm. (Same size as Japan standard: JIS G 3448-1980).

Technical information:
-- Material: Stainless steel 304 and 316L available.
-- Max working pressure 1.6MPa (equal to 232 psi), testing water pressure: 2.5MPa (equal to 362.5psi).
-- Working temperature from -20 to 110 degree centigrade (with Chlorinated butyl rubber O ring),
-- Suit medium: Cold water, hot water, compressed air, gas, oil etc

The product features as below: 
1, thin wall stainless steel pipe could last for 70 years, it is the same life time with normal buildings. 
2, no smell, no rusty. 
3, recycle material
4, avoid welding, avoid fire dangerous. 
Contact us for more details!