Low-temperature stop valve

[Use of the product]

DJ41Y and DJ41W PN16~PN40 low-temperature shut-off valves are suitable for the management system of low-temperature liquid storage and transportation equipment. They have the characteristics of flexible switches, sealing and reliability, and can also be used for other low-temperature and deep-cold media management systems.

[Execution Standards]

Design and Manufacturing: JB/T7749-95

Structural length: GB/T12221-89

Connection terminal: GB/T9113-2000, HG20592-97, SH3406-96GB/T12224-89

Inspection and testing: JB/T7749-95

Products and services that meet fluid control requirements

Each process, each facility, and each environmental constraint has its own special requirements. Therefore, Dongyan offers a comprehensive range of products covering different performance levels, pressures, different functions and different materials.

Detail

[Performance Parameters]

Model		DJ41Y-16	DJ41Y-16P	DJ41Y-25	DJ41Y-25P	DJ41Y-40	DJ41Y-40P
Work pressur（MPa）		1.6		2.5		4
Applicable temperature（℃）		-45		-101		-196
Applicable medium		Low temperature media such as liquefied natural gas, ethylene, propylene, etc
Material	Valve body, valve cover	LCB	LC3	LCB	LC3	LCB	LC3
	Valve disc, valve seat	Chromium-nickel steel + cobalt-chromium-tungsten
	Valve stem	Chromium-nickel steel

Main appearance and connection dimensions

Nominal Diameter	Main external dimensions and connection dimensions							H
Nominal Diameter	L	D	D1	D2	b	Z-d	D0	-46℃	-101℃	-196℃
DJ41Y-16C DJ41Y-16P DJ41Y-16R DJ641Y-16C DJ641Y-16P DJ641Y-16R DJ9B41Y-16C DJ9B41Y-16P DJ9B41Y-16R
50	230	160	125	100	16	4-18	240	460	480	520
65	290	180	145	120	18	4-18	280	475	505	525
80	310	195	160	135	20	4-18	280	520	550	590
100	350	215	180	155	20	8-18	320	545	575	615
125	400	245	210	185	22	8-18	360	590	620	660
150	480	280	240	210	24	8-23	400	650	650	730
200	600	335	295	265	26	12-23	400	850	850	930
250	730	405	355	320	30	12-25	450	956	986	1036
300	850	460	410	375	30	12-25	500	1095	1125	1175
DJ41Y-25 DJ41Y-25P DJ41Y-25R DJ641Y-25C DJ641Y-25P DJ641Y-25R DJ9B41Y-25C DJ9B41Y-25P DJ9B41Y-25R
50	230	160	125	100	20	4-18	240	460	480	520
65	290	180	145	120	22	8-18	280	475	505	525
80	310	195	160	135	22	8-18	280	520	550	590
100	350	230	190	160	24	8-23	320	545	575	615
125	400	270	220	188	28	8-25	360	590	620	660
150	480	300	250	218	30	8-25	400	650	680	730
200	600	360	310	278	34	12-25	400	850	880	930
250	730	425	370	332	36	12-30	450	956	986	1036
300	850	485	430	390	40	16-30	500	1095	1125	1175
DJ41Y-40 DJ41Y-40P DJ41Y-40R DJ641Y-40C DJ641Y-40P DJ641Y-40R DJ9B41Y-40C DJ9B41Y-40P DJ9B41Y-40R
50	230	160	125	100	20	-	240	483	504	546
65	290	180	145	120	22	-	280	499	530	551
80	310	195	160	135	22	-	280	546	578	620
100	350	230	190	160	24	-	320	572	604	646
125	400	270	220	188	28	-	360	620	61	693
150	480	300	250	218	30	-	400	683	741	767
200	600	360	320	282	38	-	400	893	924	977
250	730	425	385	345	42	-	450	1004	1035	1088
300	850	485	450	408	46	-	500	1150	1181	1234

Low-temperature stop valve

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