1. certificate:ISO9000;CCS,ASME,CE 2.material:carbon steel,alloy steel 3.the company has a history over 35 years

QFZ control valve group is consist of the ball stop valve, direct-action relief valve and needle stop valve.the ball stop valve is the manual master valve,it connect the hydraulic system and accumulator. The direct-action relief valve is safety valve.needle stop valve is the pressure relief valve,when the ball stop valve shut off ,the needle stop valve open to discharge the oil to relief the pressure.

Model	Size(mm)																weight(kg)
	L	L1	L2	L3	L4	L5	H	H1	H2	H3	H4	H5	H6	D	Pb	T
QFZ-H*15F	115	20	11	55	25	169	90	75	28	36	60	40	129	22.5	M10×1	M14×1.5	5
QFZ-H*25F	155	25	14	75	30	240	110	90	36	52	65	45	175	35	M10×1	M18×1.5	9
QFZ-H*40F	180	30	15	90	35	283	140	100	48	60	65	45	210	52	M14×1.5	M18×1.5	19
QFZ-H*50F	230	35	15	115	56	322	160	120	60	66	70	45	217	64	M14×1.5	M22×1.5	27

QFZ control valve group for accumulator,proffesional designed