Parker Pneumatic Manual Control Valve The Parker B53 series 3/2 port pneumatic manual control valve has a thread size of 1/4in G. This valve has a short travel and lightweight spool to obtain high operating speed. It is a lever-actuated lever return valve. This valve is suitable for positive pressure or vacuum line applications. Features and Benefits Maximum operating pressure is 10bar
Maximum flow rate is 1740L/min
Operating temperature ranges between -10°C and 80°C
Stainless steel spool gives long service life
Viton seals as standard
Integral mounting holes