Sinopec Shanghai Valve Manufzcturing Co.,LTD.

Description Material Performance Product Size Specifications

Swing check valves are also called or a one-way valve, its role is to prevent the backflow medium pipeline. Open-close part by medium flow and power to open or closed, to prevent the backflow medium valve check valve. Check valve belong to automatic valve class, mainly for the one-way flow of medium pipeline, only allowed to medium flows in one direction, in order to prevent accidents. This valve shall generally be installed in the pipeline.

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Test pressure	Nominal pressure（ MPa ）
	1.6	2.5	4.0	6.4	10.0
Shell test	2.4	3.8	6.0	9.6	15.0
Sealing test	1.8	2.8	4.4	7.1	11.0
The valve body material	WCB(C)	CF8(P)	CF 8M (R)	WC6	WC9
Working temperature	≤ 425	≤ 100	≤ 100	≤ 550	≤ 550
Applicable medium	Water, steam, oil	Nitrate class	Nitrate class	Water, steam,	Water, steam,

Nominal diameter	PN1.6/2.5MPa			PN4.0MPa			PN6.4/10.0MPa
	L		H	L		H	L	H
	A series of 1	A series of 2		A series of 1	A series of2
DN40	200	200	130	200	200	130	260	160
DN50	230	230	135	230	230	135	300	170
DN65	290	290	145	290	290	145	340	180
DN80	310	310	175	310	310	175	380	245
DN100	350	350	200	350	350	200	430	290
DN125	400	400	255	400	400	255	500	320
DN150	480	480	320	480	480	320	550	360
DN200	495	550	380	533	550	380	650	430
DN250	622	650	440	622	650	440	775	505
DN300	698	750	480	711	750	520	900	555
DN350	787	850	530	838	850	540	1025	595
DN400	864	950	560	864	950	590	1150	680
DN450	978	1050	620	978	1050	650	1275	780
DN500	978	1150	655	978	1150	720	1400	970

The design and manufacture: GB12236
Structure length: GB12221
Connecting flange: JB/T79-1994
The test and inspection: JB/T9092-1999

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