Marine Flanged Cast Iron Single Arrangement Exhaust Stop Box Valve GB/T1856-93

Marine Flanged Cast Iron Single Arrangement Exhaust Stop 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/T1856-93

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)
		L1	L2	L3		L4		H≈	H1	B1	B2	d		D	D1	D2	b1	n-d0	bolt Th.	hand wheel			Weight(kg)
		L1	L2	R	S	R	S	H≈	H1	B1	B2	d		D	D1	D2	b1	n-d0	bolt Th.	D0	S		R	S
1.0	40	110	160	380	540	210	370	283	48	95	50	13	8	125	93	74	16	6-15	M14	120	11	12	17.1	24.8
	50	120	180	420	600	230	410	315	58	100	50	15	8	135	103	84	16	6-15	M14	140	12	15	24.5	36.0
	65	130	180	440	620	230	410	345	73	120	50	15	9	155	123	104	15	6-15	M14	140	12	19	33.5	50.0
	80	140	200	480	680	260	460	390	89	130	60	17	9	170	138	118	15	8-15	M14	160	14	23	43.5	64.7
	100	170	230	570	800	290	520	430	110	150	60	17	10	190	158	138	15	8-15	M14	180	14	28	69.5	102.0
	125	200	250	650	900	310	5560	490	135	160	60	17	10	215	183	164	15	10-15	M14	200	17	35	95.4	125.0
	150	230	280	740	1020	340	620	560	152	175	60	17	11	240	208	190	16	12-15	M14	200	17	42	125	180.5
0.6	200	280	380	940	1320	446	826	720	208	225	80	21	13	295	264	247	16	12-15	M14	360	27	50	202.0	382.0
0.6	250	400	460	1260	1720	544	1004	870	246	270	80	21	14	265	327	306	18	14-17	M16	360	27	70	294.0	553.0

Type RS, SS (Flange as per GB2501):

PN (MPa)	DN (mm)	Structure Dimension											Thickness δ	connection dimension of flange						hand wheel		Lift Range m	Weight(kg)
		L1	L2	L3		L4		H≈	H1	B1	B2	d		D	D1	D2	b	n-d0	bolt Th.	hand wheel			Weight(kg)
		L1	L2	RS	SS	RS	SS	H≈	H1	B1	B2	d		D	D1	D2	b	n-d0	bolt Th.	D0	S		RS	SS
1.0	40	115	180	410	590	230	410	283	48	105	50	13	8	150	110	88	18	4-18	M16	120	11	12	20.5	30.0
	50	125	195	445	650	245	440	315	58	115	50	15	8	165	125	102	20	4-18	M16	140	12	14	30	44.3
	65	145	215	505	720	265	480	345	73	135	50	15	9	185	145	122	20	4-18	M16	140	12	20	40	60
	80	155	230	540	770	290	520	390	89	145	60	17	9	200	160	133	22	8-18	M16	160	14	26	52.6	79
	100	175	270	620	890	330	600	430	110	165	60	17	10	220	180	158	24	8-18	M16	180	14	36	81.5	120
	125	200	290	690	980	350	640	490	135	180	60	17	10	250	210	184	26	8-18	M16	200	17	45	102.6	150.8
	150	225	325	775	1100	385	710	560	152	200	60	17	11	285	240	212	26	8-22	M20	200	17	58	146.8	212.8
0.6	200	275	380	930	1310	450	830	720	208	240	70	21	13	320	280	258	22	8-18	M16	360	27	68	223.2	413.9
0.6	250	325	435	1080	1515	505	940	870	246	280	70	21	14	375	335	312	24	12-18	M16	450	32	80	308.8	575.2