Standard:
Press fitting standard: GB/T 19228.1-2003, DVGW W534-1995 and JWWA G116:2001
Pipe standard: GB/T 19228.2-2003, DIN EN 10312:1999 and JIS G3448-1997
Sealing ring standard: GBT 19228.3-2003, EN681-1:1998
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
Sizes range:
The norminal diameters are: DN15, 20, 25, 32, 40, 50, 65, 80 and DN100, including GB 1 and GB 2.
GB 1 series is same size as DVGW W534:1995, out diameters are: 18, 22, 28, 35, 42, 54, 76.1, 88.9, 108mm.
GB 2 series is same size as JIS G 3448-1997, out diameters are: 15.88, 22.22, 28.58, 34.00, 42.7, 48.6, 76.1, 88.9, 108mm.
Which series sizes are suitable for your market?
Complete pipe fitting styles:
Coupling, Reducing coupling, threaded coupling, elbow, reducing elbow, threaded elbow, tee, reducing tee, threaded tee, pipe cap,pipe bridge, flange and so on.
There is O ring inside the end of press fittings, it has very strong resistance against aging, can resist to temperatures high to 110 degrees. "Chlorinated butyl rubber" and EPDM materisl available.