pneumatic piston sleeve adjusting valve

Model：ZSJP
Category：Pneumatic Valve
origin：SHANGHAI

SHANGHAI AUTOMATION INSTRUMENTATION CO., LTD

ZSJP pneumatic piston sleeve adjusting valve, made up of ZSA(B)-P spring piston actuator and small sleeve valve components, small size, large thrust, low flexible. Valve spool use balanced structure, large pressure difference, good anti-vibration, low noise, good stability, convenient assembly, different spring to different allowed pressure difference

Nominal diameter mm		20				25	40		50	65	80	100	150		200
Diameter of valve seat mm		10	12	15	20	25	32	40	50	65	80	100	125	150	200
Rated flow coefficient Kv	Straight line	1.8	2.8	4.4	6.9	11	17.6	27.6	44	69	110	176	275	440	690
	Equal percentage	1.6	2.5	4	6.3	10	16	25	40	63	100	160	250	400	630
Actuator	Model
	Cylinder diameter	125					160			200			250
	Travel mm	16					25			40			60
	Spring pressure KPa	Air off ：40～200，air on 80～240，100～200，200～350，350～500
Flow characteristics		Straight line；equal percentage
Adjustable ratio		R=50：1
Nominal pressure MPa		1.6;4.0;6.4;
Media temperature ℃		-40～230℃(nominal temperature )，heat sink 230～450℃(medium temperature )，special order-100～600℃
Flange standard		符合JB78-59、JB79-59标准，可按JB/79.1-94、JB/79.2-94、ANSI、JIS、DIN standard