Dual Plate Check Valve

Technical specificastion

Design Standard	API 594, API 6D, JB/T8937
Face to Face	API 594, API 6D, JB/T8937, DIN3202
Flange Ends	ANSI B16.5, DIN2543~48, JB/T9112~24
Test & Inspection	API598, DIN3230, JB/T9092

Standard Material Specifications

NO.	Part Name	WCB(A105)	CF8(304)	CF3(304L)	CF8M(316)	CF3M(316L)
1	Body	WCB(A105)	CF8(304)	CF3(304L)	CF8M(316)	CF3M(316L)
2	Disc	WCB/CF8	CF8	CF3	CF8M	CF3M
3	Stem	2Cr13	304	304L	316	316L
4	Spring	0Cr18Ni9	0Cr18Ni9	00Cr19Ni10	0Cr17Ni12Mo2	0Cr17Ni14Mo2
Suitable Medium		W.O.G.etc	HNO3,CH2OOH etc
Suitable Temperature		-29~425 oC	-196~540 oC

Standard Material Specifications                                                              

No.	Parts	Material
1	Body	Cast Iron
2	Bonnet	Cast Iron
3	Seat Ring	Cast Bronze
4	Rocker Arm	Cast Iron
5	Disc	Cast Iron
6	Stud Bolt	Carbon Steel
7	Nut	Carbon Steel
8	Hinge Pin	Stainless Steel
9	Drain Plug	Carbon Steel
10	Gasket	Asbestos

Main Dimensions                                      unit:mm

CLASS 150 DUAL PLATE CHECK VALVE

Size		L	D	D3	D2	D1	L1(RF)	Weight(Kg)
mm	inch
50	2	60	103	56	51	120.5	140	2
65	2.5	67	122	73	65	139.5	150	3
80	3	73	135	88	80	152.5	160	4
100	4	73	173	108	102	190.5	170	6
125	5	86	195	132	127	216.0	190	8
150	6	98	220	160	152	241.5	205	13
200	8	127	227	210	203	298.5	240	25
250	10	146	337	266	254	362.0	270	39
300	12	181	407	310	305	432.0	310	54
350	14	184	448	355	350	476.0	325	80
400	16	191	512	405	400	540.0	340	117
450	18	203	547	455	450	578.0	365	138
500	20	219	604	505	500	635.0	385	163
600	24	222	715	605	600	749.5	405	331
700	28	305	773	700	700	795.5	455	380

CLASS 300 DUAL PLATE CHECK VALVE

Size		L	D	D3	D2	D1	L1(RF)	Weight(Kg)
mm	inch
50	2	60	110	58	54	127.0	155	3
65	2.5	67	128	73	65	149.0	175	4
80	3	73	147	88	80	168.0	190	6
100	4	73	179	108	102	200.0	195	8
125	5	86	214	132	127	235.0	215	15
150	6	98	249	160	152	270.0	230	18
200	8	127	305	210	203	330.0	280	31
250	10	146	359	266	254	387.5	315	51
300	12	181	420	310	305	451.0	365	77
350	14	222	483	355	350	514.5	410	117
400	16	232	537	405	400	571.5	435	190
450	18	264	594	455	450	628.5	475	200
500	20	292	652	505	500	686.0	510	265
600	24	318	772	608	600	813.0	560	410
750	30	368	882	740	735	921.0	650	660