Marine Flanged Cast Iron Single Arrangement Suction Stop Check Box Valve GB/T1855-93

Marine Flanged Cast Iron Single Arrangement Suction Stop Check Box Valve has R/RS, S/SS types.

R/RS is with two stop valves.

S/SS is with three stop valves.

Design Standard:GB/T1855-93

Test Standard:GB600

Flange as per GB569 or GB2501

Body-Cast Iron

Bonnet-Cast Iron

Disc-Bronze

Seat-Bronze

Stem-Bronze / Stainless Steel

Type R, S (Flange as per GB569):

PN (MPa)	DN (mm)		Structure Dimension										Thickness δ	connection dimension of flange											hand wheel		Lift Range m	Weight(kg)
	DN (mm)		L1	L2	L3		L4		H	B1	B2	d		Inlet DN1					Outlet DN2					bolt Th.	hand wheel			Weight(kg)
	DN1	DN2	L1	L2	R	S	R	S	H	B1	B2	d		D	D1	D2	b1	n1-d2	D3	D4	D5	b2	n2-d2	bolt Th.	D0	S		R	S
1.0	40	50	110	160	380	540	210	370	236	95	50	13	8	125	93	74	16	6-15	135	103	84	16	6-15	M14	120	11	12	16.1	24.4
	50	65	120	180	420	600	230	410	256	100	50	15	8	135	103	84	16	6-15	155	123	104	15	6-15	M14	140	12	14	25.2	36.0
	65	80	130	180	440	620	230	410	277	120	50	15	9	155	123	104	15	6-15	170	138	118	15	8-15	M14	140	12	20	33.0	46.7
	80	100	140	200	480	680	260	460	304	130	60	17	9	170	138	118	15	8-15	190	158	138	15	8-15	M14	160	14	26	40.3	60.2
	100	125	170	230	570	800	290	520	325	150	60	17	10	190	158	138	15	8-15	215	183	164	15	10-15	M14	180	14	36	58.8	91.0
	125	150	200	250	650	900	310	5560	366	160	60	17	10	215	183	164	15	10-15	240	208	190	16	12-15	M14	200	17	45	72.8	108.6
	150	200	230	280	740	1020	340	620	416	175	60	17	11	240	208	190	16	12-15	295	264	247	16	12-15	M14	200	17	58	105.7	151.6
0.6	200	250	280	380	940	1320	446	826	543	225	80	21	13	295	264	247	16	12-15	365	327	306	18	14-17	M14	360	27	68	211.0	318.1
0.6	250	300	400	460	1260	1720	544	1004	623	270	80	21	14	265	327	306	18	14-17	430	386	360	19	14-21	M16	360	27	80	305.2	461.5

Type RS,SS (Flange size as per GB2501):

PN (MPa)	DN (mm)		Structure Dimension										Thickness δ	connection dimension of flange											hand wheel		Lift Range m	Weight(kg)
	DN (mm)		L1	L2	L3		L4		H	B1	B2	d		Inlet DN1					Outlet DN2					bolt Th.	hand wheel			Weight(kg)
	DN1	DN2	L1	L2	RS	SS	RS	SS	H	B1	B2	d		D	D1	D2	b1	n1-d2	D3	D4	D5	b2	n2-d2	bolt Th.	D0	S		RS	SS
1.0	40	50	115	180	410	590	230	410	236	105	50	13	8	125	110	88	18	4-18	165	125	102	20	4-18	M16	120	11	12	20.6	30.0
	50	65	125	195	445	650	245	440	256	115	50	15	8	165	125	102	20	4-18	185	145	122	20	4-18	M16	140	12	14	31.2	44.7
	65	80	145	215	505	720	265	480	277	135	50	15	9	185	145	122	20	4-18	200	160	133	22	8-18	M16	140	12	20	41.2	60.3
	80	100	155	230	540	770	290	520	304	145	60	17	9	200	160	133	22	8-18	220	180	158	24	8-18	M16	160	14	26	50.2	74.7
	100	125	175	270	620	890	330	600	325	165	60	17	10	220	180	158	24	8-18	250	210	184	26	8-18	M16	180	14	36	71.7	110.6
	125	150	200	290	690	980	350	640	366	180	60	17	10	250	210	184	26	8-18	285	240	212	26	8-22	M16	200	17	45	91.1	134.7
	150	200	225	325	775	1100	385	710	416	200	60	17	11	285	240	212	26	8-22	340	295	268	28	8-22	M20	200	17	58	125.9	182.2
0.6	200	250	275	380	930	1310	450	830	543	240	70	21	13	320	280	258	22	8-18	375	335	312	24	12-18	M16	360	27	68	232.1	350.5
0.6	250	300	325	435	1080	1515	505	940	623	280	70	21	14	375	335	312	24	12-18	440	395	365	24	12-22	M16	450	32	80	319.5	480.0