Three-Piece Check Valve

Description:
Flange/Thread end: 1000 W.O.G. PN63
Nominal pressure: PN 1.6, 2.5, 4.0, 6.4MPa
Seat testing pressure (low pressure):0.6MPa
Strength testing pressure: PT2.4, 3.8, 6.0, 9.6MPa
Applicable temperature: -100°C ~500°C

Materials of Main Parts of Three-Piece Check Valve:

Description Of Parts
Body	WCB	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti
		CF8	CF8M
Bonnet	WCB	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti
		CF8	CF8M
Valve flap	ZG1Cr18Ni9Ti CF8	ZG1Cr18Ni9Ti CF8	ZG1Cr18Ni12Mo2Ti
				CF8M
Sealing	304.316

Main Outer Size A of Three-Piece Check Valve:

DN	d	PN	ANSI	PN16	D	K	D1	C	N-Φ	PN40	D	K	D1	C	N-Φ	150lb	D	K	D1	C	N-Φ
		L
15	15	130	108		95	65	45	14	4-14		95	65	45	16	4-14		89	60.5	36	11	4-15
20	20	150	117		105	75	58	16	4-14		105	75	58	18	4-14		98	70	43	12	4-15
25	25	160	127		115	85	68	16	4-14		115	85	68	18	4-14		108	79.5	51	13	4-15
32	32	180	140		140	100	78	16	4-18		140	100	78	18	4-18		117	89	64	13	4-15
40	38	200	165		150	110	88	16	4-18		150	110	88	18	4-18		127	98.5	73	15	4-15
50	50	230	178		165	126	102	18	4-18		165	125	102	20	4-18		152	120.5	92	16	4-19
65	65	250 290	190		185	145	122	18	4-18		185	145	122	22	8-18		178	139.5	105	18	4-19
80	78	280 310	203		200	160	138	20	8-18		200	160	138	24	8-18		190	152.5	127	20	4-19
100	100	320 350	229		220	180	158	20	8-18		235	190	162	24	8-22		229	190.5	157	24	8-19

Main Outer Size B of Three-Piece Check Valve:

DN	15	20	25	32	40	50	65	80	100
L	72	79	93	111	119	136	185	210	266
D	15	20	25	32	40	50	65	80	100

Statement: this information is just for reference, for detailed information, please contact us.