Compressed Air Pipe

standard:

Press fitting standard: GB/T 19228.1-2003, DVGW W534-1995 and JWWA G116

Pipe standard: GB/T 19228.2-2003, BS EN 10312 and JIS G3448

Sealing ring standard: GBT 19228.3-2003, EN681-1:1998

Technical information:

-- Material: Stainless steel 304 and 316 available.

-- Max working pressure 1.6MPa (equal to 232 psi),

testing water pressure: 2.5MPa for JIS sizes (equal to 362.5psi), and 5MPa for EN10312 sizes.

-- 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

Press fitting range:

Coupling -- Equal coupling, Reducing coupling, Adjustable coupling, coupling with screw;

Elbow -- equal elbow, reducing elbow, elbow with plain end, elbow with screw; 

Tee -- equal tee, reducing tee, tee with screw;

Other fittings -- Pipe cap, pipe bridge and Flange.

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 EN10312, out diameters are: 18, 22, 28, 35, 42, 54, 76.1, 88.9, 108mm.

GB 2 series is same size as JIS G 3448, out diameters are: 15.88, 22.22, 28.58, 34.00, 42.7, 48.6, 76.1, 88.9, 108mm.