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Forged steel carbon steel national standard swing check valve H44H-16/25/40

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Forged steel carbon steel national standard swing check valve H44H-16/25/40

Bolt/welded connection valve cover, reduced diameter and full diameter

结尾衔接为法兰，设计按GB/T12224

Product drawing

H44Product drawing.png

Product dimensions

PN16/25 RF
DN	NPS（英寸）	?d	L	H	A	B	C	T	F	n-?
15	1/2″	10.5	130	63	45	65	95	16	2	4-14
20	3/4″	13	150	65	58	75	105	18	2	4-14
25	1″	17.5	160	80	68	85	115	18	2	4-14
32	1 1/4″	24	180	90	78	100	135	18	2	4-18
40	1 1/2″	29	200	101	88	110	145	18	3	4-18
50	2″	36.5	230	120	102	125	160	20	3	4-18
PN40 FM
DN	NPS（英寸）	?d	L	H	A	B	C	d	T	f	f2	n-?
15	1/2″	10.5	130	63	45	65	90	40	16	2	4	4-14
20	3/4″	13	150	65	58	75	105	51	18	2	4	4-14
25	1″	17.5	160	80	68	85	115	58	18	2	4	4-14
32	1 1/4″	24	180	90	78	100	140	66	18	2	4	4-18
40	1 1/2″	29	200	101	88	110	150	76	18	3	4	4-18
50	2″	36.5	230	120	102	125	165	88	20	3	4	4-18

Technical Documentation

1.设计与造作:JB/T7746;GB/T12224

2.结构长度:JB/T7746或客户需要

3.法兰端size：GB/T9113，JB/T82.1-82.4

4.检验与试验:JB/T9092;GB/T26480

5.结构特点：B·B(中部bolt)W·B(中部焊接)流量:Full diameter(FP)Shrinking diameter(RP)

6.主体material：A105N,LF2,LF3,F11,F5,F22,F304,F304L.F316,F316L,F321H,F51,F53,F55,F91,F92,F347,310S,800H,600,625特殊material等

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