GBT 466 Cast Steel Gate Valves

China Marine Cast Steel Gate Valve CB/T466-1995: Marine cast steel gate valve is used on the pipe system for sea water, fresh water,lubrication oil. Design Standard: CB/T466-1995 Test Standard: GB600 Flange Size as per GB569 or GB2501

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Marine Gate Valves for Shipbuilding

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China Marine Cast Steel Gate Valve CB/T466-1995:

Marine cast steel gate valve is used on the pipe system for sea water, fresh water,lubrication oil.

Design Standard: CB/T466-1995

Test Standard: GB600

Flange Size as per GB569 or GB2501

nominal pressure (Mpa)	nominal diameter(mm)	applicable medium
1.0	50-100	sea water,fresh water,lubrication oil
0.6	125-150
0.4	175-300
0.25	350-500

Main Parts & Material:

Body-Cast Steel

Bonnet-Cast Steel

Disc-Cast Steel

Stem-Stainless Steel

Nut-Bronze

Seal Ring-Stainless Steel

Main Size List(mm):
For Type A:

PN Mpa	DN (mm)	Structure Dimension		Flange					Bolt		Thickness δ	stem		hand wheel D0	Lift Range m	Weight (kg)
		Structure Dimension
		L≈	H≈
		L≈	H≈	D	D1	D2	b	d0	n	Th.		d	□
1.0	50	190	340	135	103	84	13	15	6	M14	8	Tr22×10(P5)LH	14	180	60	18
	65	200	372	155	123	104	14	15	6	M14	9	Tr22×10(P5)LH	14	180	75	20
	80	220	430	179	138	118	14	15	8	M14	9	Tr24×10(P5)LH	17	200	92	25
	100	220	460	190	158	138	14	15	8	M14	10	Tr24×10(P5)LH	17	200	112	28
0.6	125	242	528	215	183	164	14	15	10	M14	10	Tr26×10(P5)LH	19	225	138	41
0.6	150	248	566	240	208	190	14	15	12	M14	10	Tr26×10(P5)LH	19	225	165	51
0.4	175	268	630	270	238	221	15	15	12	M14	11	Tr28×10(P5)LH	22	250	190	70
	200	278	685	295	264	247	15	15	12	M14	11	Tr28×10(P5)LH	22	250	215	80
	250	310	755	365	327	306	16	16	14	M16	13	Tr30×12(P6)LH	24	280	265	111
	300	345	835	430	386	360	19	19	14	M20	13	Tr30×12(P6)LH	24	280	315	134
0.25	350	400	954	480	436	410	20	20	16	M20	14	Tr36×12(P6)LH	27	320	365	219
	400	430	1045	530	486	460	21	21	16	M20	15	Tr36×12(P6)LH	27	360	418	267
	450	460	1228	580	536	512	21	21	18	M20	16	Tr40×12(P6)LH	32	400	421	395
	500	480	1315	635	591	567	21	21	20	M20	16	Tr40×12(P6)LH	32	450	518	519

For Type AS:

PN Mpa	DN (mm)	Structure Dimension		Flange					Bolt		stem		hand wheel D0	Lift Range m	Weight (kg)
		Structure Dimension
		L≈	H≈
		L≈	H≈	D	D1	D2	b	d0	n	Th.	d	□
1.0	50	178	340	165	125	102	20	18	4	M16	Tr22×10(P5)LH	14	180	60	20.3
	65	190	372	185	145	122	20	18	4	M16	Tr22×10(P5)LH	14	180	75	24.5
	80	203	430	200	160	133	20	18	8	M16	Tr24×10(P5)LH	17	200	92	33.8
	100	229	460	220	180	158	22	18	8	M16	Tr24×10(P5)LH	17	200	112	41.2
0.6	125	254	528	240	200	178	20	18	8	M16	Tr26×10(P5)LH	19	225	138	62.1
0.6	150	267	566	265	225	202	20	18	8	M16	Tr26×10(P5)LH	19	225	165	71.6
0.4	175	292	630	295	255	232	22	18	8	M16	Tr28×10(P5)LH	22	250	190	86.4
	200	292	685	320	280	258	22	18	8	M16	Tr28×10(P5)LH	22	250	215	101.8
	250	330	755	375	335	312	24	22	12	M20	Tr30×12(P6)LH	24	280	265	155.1
	300	356	835	440	395	365	24	22	12	M20	Tr30×12(P6)LH	24	280	315	201.2
0.25	350	381	954	490	445	415	26	22	12	M20	Tr36×12(P6)LH	27	320	365	298.3
	400	406	1145	540	495	465	28	22	16	M20	Tr36×12(P6)LH	27	360	418	372.1
	450	432	1330	595	550	520	28	22	16	M20	Tr40×12(P6)LH	32	400	468	560.0
	500	457	1420	645	600	570	30	22	20	M20	Tr40×12(P6)LH	32	450	510	627.4