GB T1855-1993 Marine Cast Iron Suction Stop Check Valve Box

GB T1855-1993 Marine Cast Iron Suction Stop Check Valve Box

1. Application

GB T1855-1993 Marine Cast Iron Suction Stop Check Valve Box can be generally used in sea water and fresh water, and it can be used to repair ships, it is more safer than other valve.

2. Material

(1) body & cover: gray cast iron

(2) disc: cast tin bronze

(3) seat & stem: aluminum bronze

the material of goods can be chosen according to your needs.

3. Nominal Pressure(KPa) & Diameter(mm)

Pressure: 1.0 ; 0.6

Diameter: 40/50~150/200 ; 200/250~250/300

4. Features

(1) We have IACS Certificate such as CCS, ABS, LR etc.

(2) We can provide samples if necessary.

5. Dimensions

Type R & Type S

PN (MPa)	DN (mm)		Structure dimension										thickness	Connection dimension of flange
			L1	L2	L3		L4		H	B1	B2	d		Inlet DN1					Outlet DN2					Bolt Th.
	DN1	DN2			R	S	R	S						D	D1	D2	b1	n1-d1	D3	D4	D5	b2	n2-d2
1.0	40	50	110	160	380	540	210	370	229	95	50	15	8	125	93	74	16	6-15	135	103	84	16	6-15	M14
	50	65	120	180	420	600	230	410	259	100	50	15	8	135	103	84	16	6-15	155	123	104	15	6-15	M14
	65	80	130	180	440	620	230	410	269	120	50	15	9	155	123	104	15	6-15	170	138	118	15	8-15	M14
	80	100	140	200	480	680	260	460	290	130	60	17	9	170	138	118	15	8-15	190	158	138	15	8-15	M14
	100	125	170	230	570	800	290	520	308	150	60	17	10	190	158	138	15	8-15	215	183	164	15	10-15	M14
	125	150	200	250	650	900	310	560	349	160	60	17	10	215	183	164	15	10-15	240	208	190	16	12-15	M14
	150	200	230	280	740	1020	340	620	389	175	60	17	11	240	208	190	16	12-15	295	264	247	16	12-15	M14
0.6	200	250	280	380	940	1320	446	826	510	225	80	21	13	295	264	247	16	12-15	365	327	306	18	14-17	M14
	250	300	400	460	1260	1720	544	1004	628	270	80	21	14	365	327	306	18	14-17	430	386	360	19	14-17	M16

Type RS & Type SS

PN (MPa)	DN (mm)		Structure dimension										thickness	Connection dimension of flange
			L1	L2	L3		L4		H	B1	B2	d		Inlet DN1					Outlet DN2					Bolt Th.
	DN1	DN2			RS	SS	RS	SS						D	D1	D2	b1	n1-d1	D3	D4	D5	b2	n2-d2
1.0	40	50	115	180	410	590	230	410	229	105	50	13	8	150	110	88	18	4-18	165	125	102	20	4-18	M16
	50	65	125	195	445	650	245	440	259	115	50	15	8	165	125	102	20	4-18	185	145	122	20	4-18	M16
	65	80	145	215	505	720	265	480	269	135	50	15	9	185	145	122	20	4-18	200	160	133	22	8-18	M16
	80	100	155	230	540	770	290	520	290	145	60	17	9	200	160	133	22	8-18	220	180	158	24	8-18	M16
	100	125	175	270	620	890	330	600	308	165	60	17	10	220	180	158	24	8-18	250	210	184	26	8-18	M16
	125	150	200	290	690	980	350	640	349	180	60	17	10	250	210	184	26	8-18	285	240	212	26	8-22	M16
	150	200	225	325	775	1100	385	710	389	200	60	17	11	285	240	212	26	8-22	340	295	268	28	8-22	M20
0.6	200	250	275	380	930	1310	450	830	510	240	70	21	13	320	280	258	22	8-18	375	335	312	24	12-18	M16
	250	300	325	435	1080	1515	505	940	628	280	70	21	14	375	335	312	24	12-18	440	395	365	24	12-22	M16

6. IACS Certificate: ABS, BV, RINA, CCS, DNV, KR, LR, LR, NK.