ZJHN Pneumatic Diaphragm Control Valves

[Search Related Products]

ZJHN Pneumatic Diaphragm Control Valves

ZJHN - Pneumatic diaphragm twins seat control valve

Advantage: small size, light, simple installation and maintenance

Application: used to clean medium with large pressure difference and low leakage requirement.

Nominal dimension (mm)	25	32					40	50	65					80	100	125					150	200	250					300
Seat diameter (mm)	25			32	40			50			65	80			100			125	150			200			250	300
Flow coefficient Kv	10		16			25		40		72			100		160		250			400		630		1000			1600
Rangeability	30:1
Nominal pressure	1.6, 4.0, 6.4MPa
Valve core	Twins seat plunger type
Flow characteristics	Linear, logarithm
Action type	Pneumatic to open, pneumatic to close
Working temperature	Ordinary model:-40~230°C, Radiation model:230~450°C, Special ordering:450~600°C
Flange standard	JB78-59, JB79/59, JB/T79.1-94, JB79.2-94, ANSI, JIS, DIN
Actuator	ZHA/B type multi spring pneumatic actuator
Available parts	Positioner, solenoid valve, air filter pressure reducing valve, limit switch, valve location feedback device, emergency reaction device, hand wheel etc.

Contact with us now