Stainless steel pipe and press fitting(Various kinds of pipe fittings)
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 sizes is suitable for your market? Do you prefer pipe length of 5.8m or 6m per piece?
| GB Ⅰ(EN10312, DVGW W534) | GB Ⅱ(JIS G3448-1997) | ||||||||
| Item No. | Nominal Dia. | Diameter | Thick | PN(Mpa) | Item No. | Nominal Dia. | Diameter | Thick | PN(Mpa) |
| HW015B | DN15 | 18 | 1 | ≥1.6 | HW015A | DN15 | 15.88 | 0.8 | ≥1.6 |
| HW020B | DN20 | 22 | 1.2 | ≥1.6 | HW020A | DN20 | 22.22 | 1 | ≥1.6 |
| HW025B | DN25 | 28 | 1.2 | ≥1.6 | HW025A | DN25 | 28.58 | 1 | ≥1.6 |
| HW032B | DN32 | 35 | 1.5 | ≥1.6 | HW032A | DN32 | 34 | 1.2 | ≥1.6 |
| HW040B | DN40 | 42 | 1.5 | ≥1.6 | HW040A | DN40 | 42.7 | 1.2 | ≥1.6 |
| HW050B | DN50 | 54 | 1.5 | ≥1.6 | HW050A | DN50 | 48.6 | 1.2 | ≥1.6 |
| HW065B | DN65 | 76.1 | 2 | ≥1.6 | HW065B | DN65 | 76.1 | 2 | ≥1.6 |
| HW080B | DN80 | 88.9 | 2 | ≥1.6 | HW080B | DN80 | 88.9 | 2 | ≥1.6 |
| HW100B | DN100 | 108 | 2 | ≥1.6 | HW100B | DN100 | 108 | 2 | ≥1.6 |
| Note | Standard pipe length is 5.8m and 6m. Other lengths and specifications can be customized according to correspondents' needs. | ||||||||
Water working pressure high to1.6MPa (232psi);
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.
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 316 available.
-- Max working pressure 1.6MPa (equal to 232 psi),
-- 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















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