Sinopec Shanghai Valve Manufzcturing Co.,LTD.

Description Material Performance Product Size Specifications

H42W/H/Y vertical check valve API6D, in strict accordance with GB/T12235 standard design and manufacture, this series valve is normally closed, due to the pressure of the inlet medium in the pipeline, and to overcome the spring resistance makes the valve opens. When the inlet pressure of medium below the outlet, the spring into the valve core seat and make the valve closed, stop medium counter-current, start-stop function back. This valve with spring support valve core, the vertical or horizontal installation is adopted. This product is widely used in petroleum, chemical, pharmaceutical, electric power industry and other various working condition of the pipeline.

Note: parameters are for reference only, or is not complete. Valves can choose according to the different pressure, material, diameter, drive mode, etc. Specific electrical contact or online advice, please.

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Nominal pressure PN(Lb)	Strength test	Water seal test	Gas seal test
MPa	Lbf/in2	MPa	Lbf/in2	MPa	Lbf/in2
150	3.1	450	2.2	315	0.5-0.7	60-100
300	7.8	1125	5.6	815
600	15.3	2225	11.2	1630

Nominal pressure PN (MPa)	Strength test	Water seal test	Gas seal test
1.5* PN (MPa)	1.1* PN (MPa)	0.5-0.7 (MPa)
1.6	2.4	1.8	0.6 MPa
2.5	3.8	2.8
4.0	6.0	4.4
6.4	9.6	7.1
10.0	15.0	11.0

1.6MPa

size	DN	15	20	25	32	40	50	65	80	100	125	150	200
L	mm	105	105	105	150	160	170	180	200	210	275	300	380
D	mm	95	105	115	135	145	160	180	195	215	245	280	335
The weight of the	kg	-	-	-	-	-	7.9	11	12	19.5	36	47	65

2.5MPa

size	DN	20	25	32	40	50	65	80	100	125	150	200
L	mm	105	105	150	160	170	180	200	210	275	300	380
D	mm	105	115	135	145	160	180	195	230	275	300	360
The weight of the	kg	-	-	-	-	7.9	11	12	20	38	48	70

4.0MPa

size	DN	50	65	80	100	125	150	200
L	mm	170	180	200	210	275	300	380
D	mm	160	180	195	230	270	300	375
The weight of the	kg	7.9	11	12	20	38	48	72

1, the design and manufacture according to the 12236-89
2, the structure length by SDV company regulation
3, JB/T79 94 flange type and size
4, check valve and test according to API STD 598

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