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

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

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

Materials of main parts

Body Material: Cast Iron

Disc Material: Cast Tin Bronze

Stem Material: Alumium Bronze

Overview

Application: This GB/T1855 Marine Flanged Cast Iron Single Arrangement Suction Stop Check Box Valve is designed for marine applications involving t sea water, fresh water.

Material Specification:

Parts Name	Material
	Name	Marks
Body, Cover	Cast iron	HT200
Disc	Cast tin bronze	ZCuSn5Pb5Zn5
Stem	Aluminum bronze	QA19-2
Seat	Cast aluminum bronze	ZCuAl9Mn2

Technical Specifications:

Model: GB/T1855 Marine Flanged Cast Iron Single Arrangement Suction Stop Check Box Valve

Type	Nominal Pressure PN MPa	Nominal Diameter DN1/DN2 mm	Available medium
R 、RS	1.0	40/50 ~ 150/200	Fresh water, Sea water
S 、SS	0.6	200/250 ~ 250/300	Fresh water, Sea water

Main Size List(mm):

Type R, S:

PN (MPa)	DN (mm)		Structure Dimension										δ	connection dimension of flange
	DN (mm)		L1	L2	L3		L4		H	B1	B2	d		Inlet DN1					Outlet DN2					bolt Th.
	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.
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
	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
	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
	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
	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
	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
	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
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
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

Type RS,SS:

PN (MPa)	DN (mm)		Structure Dimension										δ	connection dimension of flange
	DN (mm)		L1	L2	L3		L4		H	B1	B2	d		Inlet DN1					Outlet DN2					bolt Th.
	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.
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
	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
	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
	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
	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
	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
	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
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
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

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

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