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Model: BH41W / H
Nominal diameter: DN10 ~ 2000mm
Nominal pressure: PN1.6 ~ 16.0MPa
Main material: stainless steel (316L, 304, CF3M, CF8 ), dual-phase steel, carbon steel, titanium
design and manufacturing standards: GB / T12235, GB / T12236, API6D
structure length standard: GB / T 12221-2005, ASME B16.10
connection flange standard: GB / T 9113, GB, HG, JB, API, DIN, JIS
pressure and temperature rating: GB / T 12224-2005
test test standards: GB / T 13927-2008, JB / T9092, API598

Insulation check valve works:
Insulation check valve is lifting the check valve on the basis of welding metal jacket, used to inject steam or other insulation, cold medium, to ensure that the valve medium to work properly. Has a good thermal insulation properties, while reducing the pipeline medium heat loss. Insulation jacket check valve Integral jacket structure design, more uniform insulation, cold, jacketed carbon steel pipe welding more firm than the cast. Jacket, outside the body and jacket take over welding, allowing steam or cold water maximum pressure of 1MPa. 
 
Insulation check valve Features:
 1, lifting insulation check valve has a good thermal insulation properties, while reducing the pipeline medium heat loss. 
 2, Widely used Mainly used in petroleum, chemical industry, asphalt, metallurgy, pharmaceutical, food and other systems, to prevent the delivery of conventional high viscosity medium will solidify the return. 
 3, the use of carbon steel jacket welded more firm than the casting pressure.
 

Insulation check valve main form connection size:

GB 1.6MPa
DN	15	20	25	32	40	50	65	80	100	125	150	200	250	300
L	130	150	160	180	200	230	290	310	350	400	480	600	650	750
H	90	95	100	105	110	115	140	170	200	230	255	285	290	300
Wt	14	15	16	17	18	19	24	29	40	58	83	100	105	110

 

GB 2.5MPa
DN	15	20	25	32	40	50	65	80	100	125	150	200	250	300
L	130	150	160	180	200	230	290	310	350	400	480	600	650	750
H	90	95	100	105	110	115	140	170	200	230	260	285	290	300
Wt	14	15	16	17	18	19	24	29	40	72	104	145	180	230
GB 4.0MPa
DN	32	40	50	65	80	100	125		150	200		250		300
L	180	200	230	290	310	350	400		480	600		650		750
H	120	140	150	160	175	200	225		260	315		320		300
Wt	9	12	15	20	33	41	73		104	147		180		230
GB 6.4MPa
DN	32	40	50	65	80	100	125		150	200		250		300
L	230	260	300	340	380	430	500		550	600		775		900
H	160	170	170	190	205	230	265		310	350		480		520
Wt	12	20	29	35	47	68	100		142	195		250		300

 

GB10.0MPa
DN	15	20	25	32	40	50	65	80	100	125	150	200	250	300
L	130	150	160	180	200	230	290	310	350	400	480	600	650	750
H	90	95	100	105	110	115	140	170	200	230	255	285	290	300
Wt	14	15	16	17	18	19	24	29	40	58	83	100	105	110
GB 16.0MPa
DN	15	20	25	32	40	50	65	80	100	125	150	200	250	300
L	130	150	160	180	200	230	290	310	350	400	480	600	650	750
H	90	95	100	105	110	115	140	170	200	230	260	290	290	300
Wt	14	15	16	17	18	19	24	29	40	72	104	180	180	230