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Forged steel carbon steel national standard lifting check valve H41H-64/100/160/250

Forged steel carbon steel national standard lifting check valve H41H-64/100/160/250

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

The end connection is a flange, designed according to GB/T12224

Product drawing

H41Product drawing.png

Product dimensions

150LB RF
NPS（inch）	Ød	L	H	A	B	C	T	F	n-Ø
1/2″	10.5	108	56	35	60.5	90	11.6	2	4-16
3/4″	13	117	58	43	70	100	13.2	2	4-16
1″	17.5	127	78	51	79.5	110	14.5	2	4-16
1 1/4″	24	140	88	63.5	89	115	16	2	4-16
1 1/2″	29	165	96	73	98.5	125	17.5	2	4-16
2″	36.5	203	108	92	120.5	150	19.5	2	4-19
300LB RF
NPS（inch）	Ød	L	H	A	B	C	T	F	n-Ø
1/2″	10.5	152	63	35	66.5	95	14.7	2	4-16
3/4″	13	178	65	43	82.5	115	16.3	2	4-19
1″	17.5	203	80	51	89	125	17.9	2	4-19
1 1/4″	24	216	90	63.5	98.5	135	19.5	2	4-19
1 1/2″	29	229	103	73	114.5	155	21.1	2	4-22
2″	36.5	267	122	92	127	165	22.7	2	8-19
600LB RF
NPS（inch）	Ød	L	H	A	B	C	T	F	n-Ø
1/2″	10.5	165	63	35	66.5	95	21.3	7	4-16
3/4″	13	190	65	43	82.5	115	23	7	4-19
1″	17.5	216	80	51	89	125	24.5	7	4-19
1 1/4″	24	229	90	63.5	98.5	135	27.7	7	4-19
1 1/2″	29	241	103	73	114.5	155	29.3	7	4-22
2″	36.5	292	122	92	127	165	32.4	6.4	8-19
900LB/1500LB RF
NPS（inch）	Ød	L	H	A	B	C	T	F	n-Ø
1/2″	10.5	216	65	35	82.5	120	29.5	7	4-22
3/4″	13	229	80	43	89	130	32.5	7	4-22
1″	17.5	254	90	51	101.5	150	36	7	4-26
1 1/4″	24	279	103	63.5	111	160	36	7	4-26
1 1/2″	29	305	122	73	124	180	39	7	4-29
2″	36.5	368	135	92	165	215	45.5	7	8-26

Technical Documentation

1. Design and Manufacturing: JB/T7746; GB/T12224

2. Structural length: JB/T7746 or customer requirements

3. Flange end size: GB/T9113, JB/T82.1-82.4

4. Inspection and Testing: JB/T9092; GB/T26480

5. Structural features: B · B (central bolt) W · B (central welding) Flow rate: Full diameter (FP) Shrinking diameter (RP)

6. Subject material：A105N,LF2,LF3,F11,F5,F22,F304,F304L.F316,F316L,F321H,F51,F53,F55,F91,F92,F347,310S,800H, 600625 Special materials, etc

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