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Low temperature stop valve

Model: DJ41Y
Nominal diameter: DN50 ~ 300mm
Nominal: PN1.6 ~ 4.0MPa
Temperature: -196 ~ -46 ℃
Medium: Propane / propene, methanol, ethane, gas / liquid ammonia
Main material: 1Cr17Ni12, 1Cr18Ni9Ti
Design and Build: JB / T7749
Construction Length: GB12221
Flange Size: JB79
Pressure - Temperature: GB9131
Test and Inspection: JB / T9092

DJ41Y cryogenic stop valve Overview:

DJ41Y cryogenic shut-off valve for low temperature liquid storage and transportation equipment management system, with a switch flexible, reliable sealing characteristics can also be used for other low temperature and cryogenic medium management system.

DJ41Y cryogenic shut-off valve pressure test:

Nominal pressure	1.6	2.5	4.0
Strength test	2.4	3.8	6.0
Water seal test	1.8	2.8	4.4
Seal test	1.8	2.8	4.4
Gas seal test	0.4-0.7

DJ41Y cryogenic valve parts material:

Body cover	Valve stem	Sealing surface	Gasket	material	Operating temperature ℃	Suitable media
LCB	1Cr17Ni12	DTL / DTL	1Cr13 / flexible graphite low temperature asbestos	PTFE impregnated asbestos rope PTFE flexible graphite	-46	Propane / Propylene Methanol, Ethane Gas / Liquid Ammonia
LC1					-60
LC2					-73
LC3	1Cr18Ni9Ti				-101
LC4					-115
LC8					-196

DJ41Y low temperature globe valve main dimensions and connection dimensions (mm):

DN	L	D	D1	D2	b	z-φd	D0	-46 ° C	-101 ° C	-196 ° C	(Kg)
DJ41Y-16C / P / R DJ641Y-16C / P / R DJ9B41Y-16C / P / R
50	230	160	125	100	16	4-φ18	240	460	480	520	15
65	290	180	145	120	18	4-φ18	280	475	505	525	23
80	310	195	160	135	20	8-φ18	280	520	550	590	28
100	350	215	180	155	20	8-φ18	320	545	575	615	32
125	400	245	210	185	22	8-φ18	360	590	620	660	88
150	480	280	240	210	24	8-φ18	400	650	680	730	98
200	600	335	295	265	26	12-φ23	400	850	880	930	155
250	730	405	355	320	30	12-φ25	450	956	986	1036	425
300	850	460	410	375	30	12-φ25	500	1095	1125	1175	641
DJ41Y-25C / P / R DJ641Y-25C / P / R DJ9B41Y-25C / P / R
50	230	160	125	100	20	4-φ18	240	460	480	520	16
65	290	180	145	120	22	8-φ18	280	475	505	525	23
80	310	195	160	135	22	8-φ18	280	520	550	590	29
100	350	230	190	160	24	8-φ23	320	545	575	615	32
125	400	270	220	188	28	8-φ25	360	590	620	660	90
150	480	300	250	218	30	8-φ25	400	650	680	730	98
200	600	360	310	278	34	12-φ25	400	850	880	930	159
250	730	425	370	332	36	12-φ30	450	956	986	1036	436
300	850	485	430	390	40	16-φ30	500	1095	1125	1175	657
DJ41Y-40C / P / R DJ641Y-40C / P / R DJ9B41Y-40C / P / R
50	230	160	125	100	88	20	240	483	504	546	16
65	290	180	145	120	110	22	280	499	530	551	24
80	310	195	160	135	21	22	280	546	578	620	30
100	350	230	190	160	150	24	320	572	604	646	33
125	400	270	220	188	176	28	360	620	651	693	93
150	480	300	250	218	204	30	400	683	741	767	100
200	600	360	320	282	260	38	400	893	924	977	163
250	730	425	385	345	313	42	450	1004	1035	1088	447
300	850	485	450	408	364	46	500	1150	1181	1234	673

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