Sinopec Shanghai Valve Manufzcturing Co.,LTD.

Description Material Performance Product Size Specifications

Insulation gate valve is mainly used in oil, chemical industry, metallurgy, pharmaceutical and other kinds of systems, between the valve sleeve valve two in welding flange, side and bottom of the valve is provided with a connecting port of the jacket, the jacket insulation medium to flow freely through the steam or other heat, to ensure that the viscous medium can smoothly flow valve.

Part material	材料
	BZ41Y-16I-25I-40I	BZ41Y-16I-25I-40I	BZ41Y-16I-25I-40I
Valve body, valve	Cr Mo steel
Valve plate	Alloy steel + hard alloy	Ci Ni Ti	Ci Ni Mo Ti Steel
The stem	Alloy steel
Stem nut	Aluminum iron bronze
handwheel	Gray cast iron, malleable iron
BZ41HPerformance Specification for thermal insulation gate valves

Model	Nominal pressure		working temperature℃	Applicable medium
		Strength (water)（MPa）	Seal (water（MPa）	Low pressure seal (air)（MPa）
BZ41H-16C
BZ41W-16P（R）	1.6	2.4	1.8	0.6	≤200	Acids and bases
BZ41W-25P（R）	2.5	3.8	2.8	0.6	≤200	Acids and bases
BZ41W-40P（R）	4.0	6.0	4.4	0.6	≤200	Acids and bases
BZ41W-64P（R）	6.4	9.6	7.0	0.6	≤200	Acids and bases

Model	Nominal diameter DN	size
		L	D	D1	D2	b-f	Z-Φd	H	Do
BA41W-16P（R）	15	130	95	65	45	16-2	4-14	170	120
	20	150	105	75	55	16-2	4-14	190	140
	25	160	115	85	65	16-2	4-14	205	160
	32	180	135	100	78	18-2	4-18	270	180
	40	200	145	110	85	18-3	4-18	310	200
	50	250	160	125	100	18-3	4-18	358	240
	65	265	180	145	120	18-3	4-18	373	240
	80	280	195	160	135	20-3	8-18	435	280
	100	300	215	180	155	20-3	8-18	500	300
	125	325	245	210	185	22-3	8-18	614	320
	150	350	280	240	210	24-3	8-23	674	360
	200	400	335	295	265	26-3	12-23	818	400
	250	450	405	355	320	30-3	12-25	969	450
	300	500	460	410	375	30-4	12-25	1145	560

Model	Nominal diameter DN	size
		L	D	D1	D2	D6	b-f	Z-Φd	H
BA41W-40P（R）	15	130	95	65	45	40	16-2	4-14	135
	20	150	105	75	55	51	16-2	4-14	190
	25	160	115	85	65	58	16-2	4-14	205
	32	180	135	100	78	66	18-2	4-18	270
	40	200	145	110	85	76	18-3	4-18	310
	50	250	160	125	100	88	20-3	4-18	371
	65	280	180	145	120	110	22-3	8-18	39
	80	310	195	160	135	121	22-3	8-18	455
	100	350	230	190	160	150	24-3	8-23	551
	125	400	270	220	188	176	28-3	8-25	628
	150	450	300	250	218	204	30-3	8-25	708
	200	550	375	320	282	260	38-3	12-30	885
	250	650	445	385	345	313	42-3	12-24	960

Model	Nominal diameter DN	size
		L	D	D1	D2	D6	b-f	Z-Φd	H
BA41W-64P（R）	15	130	105	75	55	41	18-2	4-14	140
	20	150	125	90	68	51	20-2	4-18	195
	25	160	135	100	78	58	22-2	4-18	210
	32	180	150	110	82	66	24-2	4-23	280
	40	200	165	125	95	76	24-3	4-23	328
	50	250	175	135	105	88	26-3	4-23	390
	65	280	200	160	130	110	28-3	8-23	410
	80	310	210	170	140	121	30-3	8-23	485
	100	350	250	200	168	150	32-3	8-25	590
	125	400	295	240	202	176	36-3	8-30	688
	150	450	340	280	240	204	38-3	8-34	768
	200	550	405	345	300	260	44-3	12-34	972
	250	650	470	400	350	313	48-3	12-41	1059

Model	Nominal diameter DN	size
		L	D	D1	D2	D6	b-f	Z-Φd	H
BA41W-64P（R）	15	130	105	75	55	41	18-2	4-14	140
	20	150	125	90	68	51	20-2	4-18	195
	25	160	135	100	78	58	22-2	4-18	210
	32	180	150	110	82	66	24-2	4-23	280
	40	200	165	125	95	76	24-3	4-23	328
	50	250	175	135	105	88	26-3	4-23	390
	65	280	200	160	130	110	28-3	8-23	410
	80	310	210	170	140	121	30-3	8-23	485
	100	350	250	200	168	150	32-3	8-25	590
	125	400	295	240	202	176	36-3	8-30	688
	150	450	340	280	240	204	38-3	8-34	768
	200	550	405	345	300	260	44-3	12-34	972
	250	650	470	400	350	313	48-3	12-41	1059

Design and manufacturing: GB12234
Flange size: GB9113 JB/T79
Pressure temperature: GB9131
Structure length: GB12221
Testing and testing: GB13927

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