ZSQP Pneumatic piston cut-off valve--Zhangjiagang City Haitian Machinery Co., ltd.

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ZSQP Pneumatic piston cut-off valve

ZSQ is the execution unit in pneumatic unit combination instrument. This product has the advantages like: big operation force, novelty design, small flow resistance, big rated flow coefficient, big differential pressure, good tightness performance, etc. Therefore, it is widely used in oil, chemical, metallurgy, electric power, light textile and other industrial departments, which is used in production process automatic control and long distance control system.

Main structure and installation size

Inside nominal diameterDN(mm)			20	25	32	40	50	65	80	100
Rated flow coefficientKV			7	11	20	30	48	75	120	190
Rated travel(mm)			8			12		20		25
Air cylinder Diameter(mm)			75			100		150
Allowable leakage		Hard seal(1/h)	1.2×10^-7×rated valve capacity
		Soft seal	VI level
Working temperature(℃)			-20~200 -40~450
Nominal pressurePN(MPa)			1.6 4.0 6.4
Allowable pressure differential	ZSQP	Single-action	1.16	0.66	0.38	0.6	0.39	0.47	0.31	0.20
		Double-action	6.4	5.0	2.8	3.3	2.13	2.71	1.75	1.11
Signal pressure（KPa）			0或400～600

Note: Parameters in the table is only for reference. The company reserves the right to modify parameters.

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