AAA Products International, Inc. Datasheets for Air Valves

Air valves allow metered fluid flow in one or both directions. They are used in pneumatic circuits to regulate the rate of activation or exhaust of cylinders and other pneumatic devices.
Air Valves: Learn more

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Product Name Notes
Differential Pilot Valve -- D2
Differential Pilot Valve -- D3
Differential Pilot Valve -- D3P
2-position, double differential pilot, no springs, furnished with button on both ends. Spool stays in shifted position. (Minimum of 25 psi)
Pilot Operated Valve -- RR2
Pilot Operated Valve -- RR3
Pilot Operated Valve -- RR3P
2-position, double pilot, no springs. Spool stays in either shifted position when pilot pressure is removed.
CAM Operated Valve -- CC2
CAM Operated Valve -- CC3
CAM Operated Valve -- CC3P
2-position, friction positioned. Cam roller mounted on both ends of valve.
Manual Lever Valve -- HE2
Manual Lever Valve -- HE3
Manual Lever Valve -- HE3P
Manual Lever Valve -- HE4
Manual Lever Valve -- HE4P
2-position, friction positioned. Spool stays in any position when handle is released.
Palm Button Valve -- KE2
Palm Button Valve -- KE3
Palm Button Valve -- KE3P
2-position, friction positioned. Spool stays in any position when knob is released.
Foot Operated Valve -- TE2
Foot Operated Valve -- TE3
Foot Operated Valve -- TE3P
2-position, friction positioned. Spool stays in any position when treadle is released.
Piston Operated Valve -- PP2
Piston Operated Valve -- PP3
Piston Operated Valve -- PP3P
2-position, no springs. Double acting piston actuator on one end. Spool stays in shifted position when pilot pressure is removed.
CAM Operated Valve -- CR2
CAM Operated Valve -- CR3
CAM Operated Valve -- CR3P
2-position, pilot return. Minimum pilot signal 25 psi. Force of 5 lbs. required to shift spool when pilot port is vented
Palm Button Valve -- KR2
Palm Button Valve -- KR3
Palm Button Valve -- KR3P
2-position, pilot returned spool. Spool returns to position "C" from auxiliary control valve furnished by the user (or by knob).
Foot Operated Valve -- FR2
Foot Operated Valve -- FR3
Foot Operated Valve -- FR3P
2-position, pilot returned spool. Spool returns to position "C" from auxiliary control valve furnished by the user.
Differential Pilot Valve -- DO2
Differential Pilot Valve -- DO3
Differential Pilot Valve -- DO3P
2-position, single differential pilot, spring return. Spool returns to original position when button is pressed.
Pilot Operated Valve -- RO2
Pilot Operated Valve -- RO3
Pilot Operated Valve -- RO3P
2-position, single pilot, spring return. Spool returns to original position when pilot pressure is removed.
CAM Operated Valve -- CO2
CAM Operated Valve -- CO3
CAM Operated Valve -- CO3P
2-position, spring return. Normal spool travel 17/32" with 1/32" over-travel. Spool returns to position "C" when cam is released.
Piston Operated Valve -- PO2
Piston Operated Valve -- PO3
Piston Operated Valve -- PO3P
2-position, spring return. Single acting piston actuator on one end. Spool returns to original position when pilot pressure is removed.
Manual Lever Valve -- HO2
Manual Lever Valve -- HO3
Manual Lever Valve -- HO3P
Manual Lever Valve -- HO4
Manual Lever Valve -- HO4P
2-position, spring returned spool. Spool returns to position "C" when the handle is released.
Palm Button Valve -- KO2
Palm Button Valve -- KO3
Palm Button Valve -- KO3P
2-position, spring returned spool. Spool returns to position "C" when the knob is released.
Foot Operated Valve -- FO2
Foot Operated Valve -- FO3
Foot Operated Valve -- FO3P
2-position, spring returned spool. Spool returns to position "C" when the pedal is released.
Foot Operated Valve -- TO2
Foot Operated Valve -- TO3
Foot Operated Valve -- TO3P
2-position, spring returned spool. Spool returns to position "C" when the treadle is released.
Differential Pilot Valve -- DY2
Differential Pilot Valve -- DY3
Differential Pilot Valve -- DY3P
3-position, double differential pilot, spring centered, closed center spool. Spool centers when buttons are both closed or opened. See other spools on page 50.
Pilot Operated Valve -- RY2
Pilot Operated Valve -- RY3
Pilot Operated Valve -- RY3P
3-position, double pilot, spring centered, closed center spool. Spool centers when pilot pressure is removed from both ports. See other spools on page 50.
Palm Button Valve -- KD2
Palm Button Valve -- KD2Q
Palm Button Valve -- KD3
Palm Button Valve -- KD3P
Palm Button Valve -- KD3Q
Palm Button Valve -- KD3QP
3-position, friction position, positive detent in all positions. Spool stays in position when knob is released.
Foot Operated Valve -- TD2
Foot Operated Valve -- TD3
Foot Operated Valve -- TD3P
Manual Lever Valve -- HD2
Manual Lever Valve -- HD2Q
Manual Lever Valve -- HD3
Manual Lever Valve -- HD3P
Manual Lever Valve -- HD3Q
Manual Lever Valve -- HD3QP
Manual Lever Valve -- HD4
Manual Lever Valve -- HD4P
Manual Lever Valve -- HD4Q
Manual Lever Valve -- HD4QP
3-position, friction position, positive detent in all positions. Spool stays in position when lever is released.
Piston Operated Valve -- PY2
Piston Operated Valve -- PY3
Piston Operated Valve -- PY3P
3-position, spring centered, closed center spool. Double acting piston actuator on one end. Spool centers when pilot pressure is removed from both ports. See other spools on page 50.
Manual Lever Valve -- HY2
Manual Lever Valve -- HY3
Manual Lever Valve -- HY3P
Manual Lever Valve -- HY4
Manual Lever Valve -- HY4P
3-position, spring centered. Spool returns to position "B" when handle is released.
Foot Operated Valve -- TY2
Foot Operated Valve -- TY3
Foot Operated Valve -- TY3P
3-position, spring centered. Spool returns to position "B" when treadle is released.
Palm Button Valve -- KY2
Palm Button Valve -- KY3
Palm Button Valve -- KY3P
3-position, spring centered. When knob is released, spool shifts to center (position "B").
CAM Operated Valve -- CO4
CAM Operated Valve -- CO4P
CAM Operated Valve -- CO6
CAM Operated Valve -- CO8
CAM Operated Valve -- CO8P
CAM Operated Valve -- CR4
CAM Operated Valve -- CR4P
Cam roller models are operated with a cam that shifts the spool. To fully shift the valve, the cam is pushed toward the valve. Normally the cam is contacted by...
Direct Pilot Valve -- GR12
Direct Pilot Valve -- GR16P
Direct Pilot Valve -- GY12
Direct Pilot Valve -- GY16P
Designed for operation on compressed air; not suitable for liquid service. May be used to handle inert gases, although a source of compressed air may be required for spool shifting...
Differential Pilot Valve -- D12
Differential Pilot Valve -- D16P
Differential Pilot Valve -- D4
Differential Pilot Valve -- D4P
Differential Pilot Valve -- D6
Differential Pilot Valve -- D8
Differential Pilot Valve -- D8P
Differential Pilot Valve -- DO12
Differential Pilot Valve -- DO16P
Differential Pilot Valve -- DO4
Differential Pilot Valve -- DO4P
Differential Pilot Valve -- DO6
Differential Pilot Valve -- DO8
Differential Pilot Valve -- DO8P
Differential Pilot Valve -- DY12
Differential Pilot Valve -- DY16P
Differential Pilot Valve -- DY4
Differential Pilot Valve -- DY4P
Differential Pilot Valve -- DY6
Differential Pilot Valve -- DY8
Differential Pilot Valve -- DY8P
Differential Pilot models are operated with a button bleeder that shifts the spool.
NAMUR Direct Mount Valve -- NSS2 Double solenoid, 2-position, no springs. Spool shifts and remains shifted when one solenoid or the other is momentarily or continuously energized.
NAMUR Direct Mount Valve -- NSY2 Double solenoid, 3-position, spring centered, closed center spool. All ports are blocked when both solenoids are de-energized. See for other spools.
Foot Operated Valve -- FO4
Foot Operated Valve -- FO4P
Foot Operated Valve -- FR4
Foot Operated Valve -- FR4P
Foot Operated Valve -- TD4
Foot Operated Valve -- TD4P
Foot Operated Valve -- TE4
Foot Operated Valve -- TE4P
Foot Operated Valve -- TO4
Foot Operated Valve -- TO4P
Foot Operated Valve -- TY4
Foot Operated Valve -- TY4P
Foot pedal/treadle models are operated with a foot pedal/treadle that shifts the spool. The standard treadle position for a 3-position valve is the center of the valve (Position "B"). To...
Manual Lever Valve -- HD12
Manual Lever Valve -- HD16P
Manual Lever Valve -- HD6
Manual Lever Valve -- HD6Q
Manual Lever Valve -- HD8
Manual Lever Valve -- HD8P
Manual Lever Valve -- HD8Q
Manual Lever Valve -- HD8QP
Manual Lever Valve -- HE12
Manual Lever Valve -- HE16P
Manual Lever Valve -- HE6
Manual Lever Valve -- HE8
Manual Lever Valve -- HE8P
Manual Lever Valve -- HO12
Manual Lever Valve -- HO16P
Manual Lever Valve -- HO6
Manual Lever Valve -- HO8
Manual Lever Valve -- HO8P
Manual Lever Valve -- HY12
Manual Lever Valve -- HY16P
Manual Lever Valve -- HY6
Manual Lever Valve -- HY8
Manual Lever Valve -- HY8P
Manual lever models are operated with a handle that shifts the spool. The standard handle position of the knob for a 3-position valve is the center of the valve (Position...
Pilot Operated Valve -- RO12
Pilot Operated Valve -- RO16P
Pilot Operated Valve -- RO4
Pilot Operated Valve -- RO4P
Pilot Operated Valve -- RO6
Pilot Operated Valve -- RO8
Pilot Operated Valve -- RO8P
Pilot Operated Valve -- RR12
Pilot Operated Valve -- RR16P
Pilot Operated Valve -- RR4
Pilot Operated Valve -- RR4P
Pilot Operated Valve -- RR6
Pilot Operated Valve -- RR8
Pilot Operated Valve -- RR8P
Pilot Operated Valve -- RY12
Pilot Operated Valve -- RY16P
Pilot Operated Valve -- RY4
Pilot Operated Valve -- RY4P
Pilot Operated Valve -- RY6
Pilot Operated Valve -- RY8
Pilot Operated Valve -- RY8P
Pilot models are operated with a remote pressure source that shifts the spool. To shift the valve, remote pressure source is sent to the valve. Refer to the section on...
Piston Operated Valve -- PO4
Piston Operated Valve -- PO4P
Piston Operated Valve -- PO6
Piston Operated Valve -- PO8
Piston Operated Valve -- PO8P
Piston Operated Valve -- PP4
Piston Operated Valve -- PP4P
Piston Operated Valve -- PP6
Piston Operated Valve -- PP8
Piston Operated Valve -- PP8P
Piston Operated Valve -- PY4
Piston Operated Valve -- PY4P
Piston Operated Valve -- PY6
Piston Operated Valve -- PY8
Piston Operated Valve -- PY8P
Piston models are operated with a larger piston that shifts the spool. This allows you to use lower pilot pressures to shift the valve. Because of the large piston area...
NAMUR Direct Mount Valve -- NSR2 Single solenoid, 2-position, pilot pressure returned spool. Pilot pressure from an external 3-way valve returns spool to its original position.
NAMUR Direct Mount Valve -- NSO2 Single solenoid, 2-position, spring return. Spool returns to original position when solenoid is de-energized.
CAM Operated Stack Valve -- BCO2
CAM Operated Stack Valve -- BCO3
CAM Operated Stack Valve -- BCR2
CAM Operated Stack Valve -- BCR3
Differential Pilot Stack Valve -- BD2
Differential Pilot Stack Valve -- BD3
Differential Pilot Stack Valve -- BDO2
Differential Pilot Stack Valve -- BDO3
Differential Pilot Stack Valve -- BDY2
Differential Pilot Stack Valve -- BDY3
Manual Lever Stack Valve -- BHD2
Manual Lever Stack Valve -- BHD2Q
Manual Lever Stack Valve -- BHD3
Manual Lever Stack Valve -- BHD3Q
Manual Lever Stack Valve -- BHE2
Manual Lever Stack Valve -- BHE3
Manual Lever Stack Valve -- BHO2
Manual Lever Stack Valve -- BHO3
Manual Lever Stack Valve -- BHY2
Manual Lever Stack Valve -- BHY3
Palm Button Stack Valve -- BKD2
Palm Button Stack Valve -- BKD2Q
Palm Button Stack Valve -- BKD3
Palm Button Stack Valve -- BKD3Q
Palm Button Stack Valve -- BKE2
Palm Button Stack Valve -- BKE3
Palm Button Stack Valve -- BKO2
Palm Button Stack Valve -- BKO3
Palm Button Stack Valve -- BKR2
Palm Button Stack Valve -- BKR3
Palm Button Stack Valve -- BKY2
Palm Button Stack Valve -- BKY3
Pilot Operated Stack Valve -- BRO2
Pilot Operated Stack Valve -- BRO3
Pilot Operated Stack Valve -- BRR2
Pilot Operated Stack Valve -- BRR3
Pilot Operated Stack Valve -- BRY2
Pilot Operated Stack Valve -- BRY3
Solenoid Stack Valve -- EBSO2
Solenoid Stack Valve -- EBSO3
Solenoid Stack Valve -- EBSR2
Solenoid Stack Valve -- EBSR3
Solenoid Stack Valve -- EBSS2
Solenoid Stack Valve -- EBSS3
Solenoid Stack Valve -- EBSY2
Solenoid Stack Valve -- EBSY3
The "B-Series" stack valve consists of individual sections sandwiched between two end plates, the stack being held together with three tie bolts. Sections, listed on page 122 through page 139,...

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