Flange throttling valve

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Flange throttling valve

Model: J4B6Y
Nominal diameter: DN25 ~ 100mm
Nominal: PN16.0 ~ 20.0MPa
Connection: flange
Suitable medium: water, oil, natural gas, etc.
Temperature: -29 ℃ ~ 121 ℃
Valve Manufacturing: GB12235-1994
Valve Manufacturing: GB12235-1994
Flange Standard: GB9113
Valve Test: GB / T13927-1992

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High Pressure Balance Flange Globe Valve J4B6Y J4B7Y Overview
High Pressure Balance Flange Globe Valve J4B6Y J4B7Y Reference API and related standards optimized design, novel structure, the valve flap has several holes and the upper chamber connected to achieve pressure from top to bottom balance. The use of composite packing, sealed, reliable, low friction. Sealing with live valve seat structure. Surfacing Carbide.

High Pressure Balance Flange Globe Valve J4B6Y J4B7Y Shape and connection dimensions

Nominal pressure (MPa)	Nominal diameter (MPa)	Size (mm)
Nominal pressure (MPa)	Nominal diameter (MPa)	Do	P	D1	D	L	b	Zd	H	W
16.0 20.0	25	22	50.80	101.5	150	120	35	4-26	243	220
	32	280	60.32	111	160	135	35	4-26	299	300
	40	35	68.28	124	180	165	38	4-30	332	300
	50	47	95.25	165	215	190	42	8-26	367	320
	65	57	107.95	190.5	245	215	48	8-30	383	320
	80	73	123.82	190.5	240	260	46	8-26	376	320
	100	98	149.22	235	290	290	52	8-33	472	350
25.0 35.0	25
	32	22	50.80	101.5	150	120	35	4-26	243	220
	40	28	60.32	111	160	135	35	4-26	299	330
	50	35	68.28	124	180	165	38	4-30	332	300
	65	47	95.25	165	215	190	44	8-26	367	320
	80	57	107.95	190.5	245	215	50	8-30	383	320
	100	70	136.52	203	265	260	56	8-33	376	320
	150	92	161.92	241.5	310	290	62	8-36	472	350

High Pressure Balance Flange Globe Valves J4B6Y J4B7Y Main Parts Materials

Part Name	Body valve cover	Valve stem cylinder liner	filler	Studs	O-ring
material	Carbon steel	stainless steel	PTFE + rubber	35CrMoA	Nitrile rubber

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