- Contact Person : Mr. YIN YIN
- Company Name : CANGZHOU HAOYUAN PIPE FITTING MFG CO.,LTD
- Tel : 86-317-3025890
- Fax : 86-317-3200713
- Address : Hebei,Cangzhou,Yanshan County
- Country/Region : China
GOST 17378 Concentric Reducing Pipe Fittings
Our company has various types of stamping abrasive, custom processing of various types of carbon steel / alloy steel / stainless steel concentric reducers, eccentric reducers. Reducing the standard GB, ANSI, GOST and Gezhongfeibiao products. The roundness of the reducer shall not be greater than 1% of the corresponding outside diameter, and the allowable deviation shall be ± 3mm.
GOST 17378 Pipe Reducer Specifications
|
Nominal |
D1 |
D2 |
Lenght |
Nominal |
D1 |
D2 |
Lenght |
||||
A series |
B series |
A series |
B series |
A series |
B series |
A series |
B series |
||||
25×20 |
33.7 |
32 |
26.9 |
25 |
51 |
500×350 |
508 |
529 |
355.6 |
377 |
508 |
25×15 |
33.7 |
32 |
21.3 |
18 |
550×550 |
559 |
- |
508 |
529 |
508 |
|
32×25 |
42.4 |
38 |
33.7 |
32 |
51 |
550×450 |
559 |
- |
457 |
478 |
|
32×20 |
42.4 |
38 |
26.9 |
25 |
550×400 |
559 |
- |
406 |
426 |
||
32×15 |
42.4 |
38 |
21.3 |
18 |
600×500 |
610 |
630 |
508 |
529 |
508 |
|
40×32 |
48.3 |
45 |
42.4 |
38 |
64 |
600×450 |
610 |
630 |
457 |
478 |
|
40×25 |
48.3 |
45 |
33.7 |
32 |
600×400 |
610 |
630 |
406 |
426 |
||
40×20 |
48.3 |
45 |
26.9 |
25 |
650×600 |
660 |
- |
610 |
630 |
610 |
|
50×40 |
60.3 |
57 |
48.3 |
45 |
76 |
650×500 |
660 |
- |
508 |
529 |
|
50×32 |
60.3 |
57 |
42.4 |
38 |
650×450 |
660 |
- |
457 |
478 |
||
50×25 |
60.3 |
57 |
33.7 |
32 |
700×600 |
711 |
720 |
610 |
630 |
610 |
|
65×50 |
76.1 |
76 |
60.3 |
57 |
89 |
700×500 |
711 |
720 |
508 |
529 |
|
65×40 |
76.1 |
76 |
48.3 |
45 |
700×450 |
711 |
720 |
457 |
478 |
||
65×32 |
76.1 |
76 |
42.4 |
38 |
750×700 |
762 |
- |
711 |
720 |
610 |
|
80×65 |
88.9 |
89 |
76.1 |
76 |
89 |
750×600 |
762 |
- |
601 |
630 |
|
80×50 |
88.9 |
89 |
60.3 |
57 |
750×500 |
762 |
- |
508 |
529 |
||
80×40 |
88.9 |
89 |
48.3 |
45 |
800×700 |
813 |
820 |
711 |
720 |
610 |
|
100×80 |
88.9 |
108 |
88.9 |
89 |
102 |
800×600 |
813 |
820 |
610 |
630 |
|
100×65 |
114.3 |
108 |
76.1 |
76 |
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