CB/T3942 Stainless Steel Stop Valve

Materials of main parts

Body Material: Stainless acidproof steel

Disc Material: Stainless acidproof steel

Stem Material: Stainless steel

Overview

Application: This CB/T3942 Stainless Steel Stop Valve is designed for marine applications involving liquefied gas with a temperature not lower than -165 °C, Corrosive medium..

Material Specification:

Parts Name	Material Name	Material Marks
Body, Cover, Disc	Stainless acidproof steel	ZG07Cr19Ni9
Stem	Stainless steel	0Cr13

Technical Specifications:

Model: CB/T3942 Stainless Steel Stop Valve

Type	Nominal Pressure PN (MPa)	Max. Allowable Working Pressure P (MPa)							Nominal Diameter DN (mm)	Available Medium
A, B	1.0	0.95	0.86	0.81	0.76	0.71	0.66	0.36	65 ~ 150	Liquefied gas with a temperature not lower than -165 °C, Corrosive medium.
	1.6	1.52	1.31	1.29	1.21	1.13	1.06	1.01	125, 150
	2.5	2.38	2.15	2.01	1.89	1.77	1.66	1.59	20 ~ 150
	4.0	3.80	3.44	3.22	3.02	2.83	2.65	2.54	65 ~ 100
	6.4	5.69	5.26	4.96	4.68	4.41	4.16	3.92	20 ~ 50
AS, BS	0.6	0.57	0.52	0.48	0.45	0.42	0.40	0.38	15 ~ 300
	1.0	0.95	0.86	0.81	0.76	0.71	0.66	0.63	200 ~ 300
	1.6	1.52	1.31	1.29	1.21	1.13	1.06	1.01	100 ~ 300
	2.5	2.38	2.15	2.01	1.89	1.77	1.66	1.59	15 ~ 300
	4.0	3.80	3.44	3.22	3.02	2.83	2.65	2.54	65 ~ 100
	6.4	5.69	5.26	4.96	4.68	4.41	4.16	3.92	20 ~ 50

Dimensions(mm)

Type A & Type B

PN (MPa)	DN (mm)	Size mm
		L		H		D	D0
		A	B	A	B	D	D0
1.0	65	290	115	310	277	155	140
	80	310	125	345	304	170	160
	100	350	150	374	325	190	180
	125	400	175	426	366	215	200
	150	480	180	487	415	240	200
1.6	125	400	175	465	405	225	280
1.6	150	480	180	524	452	255	320
2.5	20	150	75	217	203	95	80
	25	160	80	217	203	105	80
	32	180	85	236	216	115	100
	40	200	90	260	236	125	120
	50	230	95	288	258	135	140
	65	290	115	335	301	170	160
	80	310	125	366	325	185	200
	100	350	150	427	378	205	250
	125	400	175	493	432	240	280
	150	500	200	556	484	270	320
4.0	65	310	125	409	374	175	250
	80	350	140	436	394	190	250
	100	400	165	466	416	225	280
6.4	20	160	80	261	243	105	100
	25	180	85	272	253	115	100
	32	200	90	304	281	125	120
	40	230	105	334	310	145	160
	50	250	110	354	323	155	180

Type AS & Type BS

PN (MPa)	DN (mm)	Size mm
		L		H		D	D0
		AS	BS	AS	BS	D	D0
0.6	15	130	90	217	203	80	80
	20	150	95	217	203	90	80
	25	160	100	217	203	100	80
	32	180	105	236	216	120	100
	40	200	115	260	236	130	120
	50	230	125	288	258	140	140
	65	290	145	335	301	160	140
	80	310	155	362	321	190	160
	100	350	175	417	368	210	180
	125	400	200	493	432	240	200
	150	480	225	556	484	265	200
	200	600	275	621	543	320	360
	250	730	314	721	623	375	450
	300	850	375	821	696	440	500
1.0	200	600	275	621	543	340	360
	250	730	325	721	623	395	450
	300	850	375	821	696	445	500
1.6	100	350	175	417	368	220	280
	125	400	200	493	432	250	280
	150	480	225	556	484	285	360
	200	600	275	621	543	340	450
	250	730	325	721	623	405	500
	300	850	375	821	696	460	500
2.5	15	130	90	217	203	95	80
	20	150	95	217	203	105	80
	25	160	100	217	203	115	80
	32	180	105	236	216	140	100
	40	200	115	260	236	150	120
	50	230	125	288	258	165	140
	65	290	145	335	301	185	160
	80	310	155	362	321	200	200
	100	350	175	417	368	235	250
	125	400	200	493	432	270	280
	150	480	225	556	484	300	320
	200	600	275	621	543	360	450
	250	730	314	721	623	425	500
	300	850	375	821	696	485	500
4.0	65	290	145	409	374	185	250
	80	310	155	436	394	200	250
	100	350	175	466	416	235	280
6.4	20	230	115	261	243	130	100
	25	230	115	272	253	140	100
	32	260	130	304	281	155	120
	40	260	130	334	310	170	160
	50	300	150	354	325	180	180