Specifications

JIS Check Valve
Material: Carbon steel, Forged steel, SS304 SS316 SS316L, etc.
Specifications: DN15-DN600
Standard: ANSI, GB

Item		Shell Test	Seat Test	Back seal test	Gas seal test
Medium		Water			Oil
Unit		MPa	MPa	MPa	MPa
Applicable Pressure	10K	2.4	1.5	1.5	0.5-0.7
	20K	5.8	4.0	4.0

Main Material

Name parts	Material
Body Cap	A216WCB	A352 LCB	A217 WC6	A217 WC9	A217C5	A351 CF8	A351 CF8M	A351 CF3	A351 CF3M
Ball	A182 F6	A182 F304
Stem	A182 F6	A182 F304					A182 F316	A182 F304L	A182 F316L
Handle	KTH350-10
Stem	A193-B7 A320-L7 A193-B8
Nut	A194-2H A194-7 A194-8

Main dimensions

Model	Size(mm)		(mm)
	inch	DN	L	D	D1	D2	b	z-Φ d	H	D0
Q410F/Y-10K Q341F/Y-10K Q641F/Y-10K	1/2″	15	108	95	70	52	12	4-Φ 15	68	115
	3/4″	20	117	100	75	58	14	4-Φ 15	75	130
	1″	25	127	125	90	70	14	4-Φ 19	85	150
	11/4″	32	140	135	100	80	16	4-Φ 19	96	190
	11/2″	40	165	140	105	85	16	4-Φ 19	107	230
	2″	50	178	155	120	100	16	4-Φ 19	118	240
	21/2″	65	190	175	140	120	18	4-Φ 19	145	280
	3″	80	203	185	150	130	18	8-Φ 19	160	310
	4″	100	229	210	175	155	18	8-Φ 19	185	330
	5″	125	356	250	210	185	20	8-Φ 23	230	600
	6″	150	394	280	240	215	22	8-Φ 23	260	800
	8″	200	457	330	290	265	22	12-Φ 23	310	1000
	10″	250	533	400	355	325	24	12-Φ 25	350	1200

Main dimensions

Model	Size(mm)		(mm)
	inch	DN	L	D	D1	D2	b	z-Φ d	H	D0
Q41F/Y-20K Q341F/Y-20K Q641F/Y-20K	1/2″	15	140	95	70	52	14	4-Φ 15	72	115
	3/4″	20	152	100	75	58	16	4-Φ 15	75	130
	1″	25	165	125	90	70	16	4-Φ 19	85	150
	11/4″	32	178	135	100	80	18	4-Φ 19	95	190
	11/2″	40	190	140	105	85	18	4-Φ 19	110	230
	2″	50	216	155	120	100	22	8-Φ 19	120	240
	21/2″	65	241	175	140	120	24	4-Φ 19	150	280
	3″	80	283	200	160	135	26	8-Φ 23	165	310
	4″	100	305	225	185	160	28	8-Φ 23	190	330
	5″	125	381	270	225	195	30	8-Φ 25	240	600
	6″	150	403	305	260	230	32	12-Φ 25	270	800
	8″	200	502	350	305	275	34	12-Φ 25	315	1000
	10″	250	568	430	380	345	34	12-Φ 27	380	1200