H61W forged steel welded check valve

Serial number	Part name	CStoASTM	AStoASTM	SStoASTM
Serial number	Part name	A105	F22	F304 (L)	F316 (L)
1	Valve body	A105	A182F22	A182F304 (L)	A182F316 (L)
2	Valve clack	A276420	A276304	A276304 (L)	A276316 (L)
3	Sealing nut	316 Clamp flexible graphite		316 Clip PTFE
4	Sealing ring	A105	A182F22	A182F304 (L)	A193 B8 (M)
5	Retaining nut	SS
6	Lifting bolts	A193B7	A193B16	A193B8 (M)	A193B8 (M)
Applicable media		Water, steam, oil, etc	Water, steam, oil, etc	Nitric acid, acetic acid, etc
Applicable temperature		-29 ºC ~ 425ºC	-29 ºC ~ 550ºC	-29 ºC ~ 200ºC

Note: Other materials required by customers are also available. Sealing surface material pairing is determined by customer's specified interior code.
CS= Carbon steel; AS= alloy steel; SS= stainless steel;
Forged steel welded check valve size (MM) and weight (KG)

NPS	Reduced sizing	3/8"	1/2"	3/4"	1"	1 1/4"	1 1/2"	2"
NPS	Full diameter		3/8"	1/2"	3/4"	1"	1 1/4"	1 1/2"	2"
L		79	79	92	111	120	152	172	200
W		61	61	65	79	95	103	118	132
Weight	Bolt type	1.4	1.2	1.5	3.1	3.9	5.6	8.9	12.5
Weight	Welded type	1.1	1.0	1.2	2.9	3.3	4.9	8.1	10.9

Specification of standard material for forged steel welded check valves

Serial number	Part name	CStoASTM	AStoASTM	SStoASTM
Serial number	Part name	A105	F22	F304 (L)	F316 (L)
1	Valve body	A105	A182F22	A182F304 (L)	A182F316 (L)
2	Valve flap	A276420	A276304	A276304 (L)	A276316 (L)
3	Shims	316 clamp flexible graphite		316 Clip PTFE
4	Bonnet	A105	A182F22	A182F304 (L)	A193 B8 (M)
5	Name Plate	SS
6	Bolts	A193B7	A193B16	A193B8 (M)	A193B8 (M)
7	The ball	A182F304	A182F304	A182F304	A182F304
Applicable media		Water, steam, oil, etc	Water, steam, oil, etc	Nitric acid, acetic acid, etc
Applicable temperature		-29 ºC ~ 425ºC	-29 ºC ~ 550ºC	-29 ºC ~ 200ºC

NPS	Reduced sizing	3/8"	1/2"	3/4"	1"	1 1/4"	1 1/2"	2"
NPS	Full diameter		3/8"	1/2"	3/4"	1"	1 1/4"	1 1/2"	2"
L		92	111	111	120	152	172	200	220
W		65	79	79	97	104	120	139	215
Weight	Bolt type	1.6	3.4	3.3	5.5	6.0	9.2	12.9	16.2
Weight	welded	1.3	3.2	3.1	4.8	5.4	8.5	11.2	14.3

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