Sinopec Shanghai Valve Manufzcturing Co.,LTD.

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Description Material Performance Product Size Specifications

Check valve is a kind of automatic valve which depends on the flow of the medium itself and automatic opening and closing the valve flap to prevent the medium from flowing to the reverse flow.
Note: parameters are for reference only, or are not full. Valve can be used in accordance with the requirements of different pressure, material, diameter, drive, etc.. Specific please contact or online advisory contact.

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Design and manufacture in line with China's national standards
The basic structure of the form: lift vertical. (New)
Nominal pressure: DN0.6~1.0 (MPa)
Nominal diameter: DN25~150 (mm)
Nominal model: H40F46 H40F3

Serial number	Part name	Gray cast iron	cast steel	Stainless steel		Ultra low carbon stainless steel
		Z	C	P	R	PL	RL
1	Valve body, valve cover	HT250	WCB	CF8	CF8M	CF3	CF3M
2	Lining / valve cover	Rubber lining（NR）FEP（F46）PCTFE（F3）PFA（Soluble PTFE）
3	Shaft, disc (plate)	1 Cr13/35WCB 1Cr18Ni9/CF8 00Cr17Ni14Mo2/CF3M
4	Bolt	35	35	1Cr17Ni2	1Cr17Ni2	1Cr18Ni9Ti	1Cr18Ni9Ti
5	Nut	45	45	0Cr18Ni9	0Cr18Ni9	0Cr18Ni9	0Cr18Ni9

Nominal diameter		standard value							reference value
DN（mm）	NPS（inch）	L	D	D1	D2	f	b	Z-Φd	B	H	W（kg）
DN（mm）	NPS（inch）	PN0.6（MPa）
15	1/2	130	80	55	40	2	12	4-Φ12	105	55	4
20	3/4	150	90	65	50	2	14	4-Φ12	115	58	5
25	1	160	100	75	60	2	14	4-Φ12	128	60	6
32	1 1/4	180	120	90	70	2	16	4-Φ14	145	75	7
40	1 1/2	200	130	100	80	3	16	4-Φ14	160	82	8
50	2	230	140	110	90	3	16	4-Φ14	178	95	10
65	2 1/2	290	160	130	110	3	16	4-Φ14	205	105	20
80	3	310	185	150	125	3	18	4-Φ18	230	120	25
100	4	350	205	170	145	3	18	4-Φ18	255	135	30
125	5	400	235	200	175	3	20	8-Φ18	305	158	50
150	6	480	260	225	200	3	20	8-Φ18	345	180	65
200	8	495	315	280	255	3	22	8-Φ18	415	215	137
250	10	622	370	335	310	3	24	12-Φ18	490	240	150
300	12	698	435	395	362	4	24	12-Φ23	540	265	185
350	14	787	485	445	412	4	26	12-Φ23	585	300	215
400	16	914	535	495	462	4	28	16-Φ23	625	360	244
450	18	978	590	550	518	4	28	16-Φ23	680	385	276
500	20	978	640	600	568	4	30	16-Φ23	740	415	315

Follow the norms	STANDARD
Design and manufacture	GB12235/GB12236
Structure length	GB12221/JB96（Long a short series）
Flange size	JB78/JB79（GB HG SH）
Test pressure	GB/T13927
sign	GB12220
Supply commodity	GB/T12252

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