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Self-Operated Pressure Control Valve

Self-operated pressure control valve operated by itself energy and does not need to supply extra power source. Features including sensitive action, good sealing, small pressure fluctuation and etc. Wildey used in automatic control to keep the pressure stable.

Model	ZZY
Nominal Diameter Ranges	15mm to 450mm (1/2in to 18in)
Nominal Pressure Ranges	PN16/40/64
Materials	Carbon steel, stainless steel
Packing	Teflon V-ring, Flexible graphite
Body Connections	Flange(ANSI, JIS, DIN, GB) Butt weld, socket weld
Temperature	-5 ℃ to 80℃ (23℉ to 175℉)
Flow Characteristics	Quick open

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Technical Parameter Of Self-Operated Pressure Control Valve

Nominal Diameter		20	25	32	40	50	65	80	100	125	150	200	250	300
Rated KV		7	11	20	30	48	75	120	190	300	480	760	1100	1750
Rated Stroke(mm)		8		10		14	20		25	40		50	60	70
Body Rating		PN16/40/64
Flow Characteristics		Quick open
Regulating Capacities		± 5%
Operating Temp.		≤350℃
Reduction ratio	Maximum	10
	Minimum	1.25