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All Categories > Drilling Rig Air Valves for MMO (Marine, Mobile & Oil Field) > Bosch-Rexroth (WABCO) Drilling Rig Air Valves > Rexroth Type 'A' Pilotair® Valves - Pneumatic Directional Control > Rexroth "A" Pilotair® Block-Type 3-Way Valves > Item # R-431004665  
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Item # R-431004665, Rexroth 2-CA-1A Normally Closed Pilotair® Valves with Cam Dog



The cam dog operated 2-CA-1A PILOTAIR Valve is composed of the 2-MA-1A PILOTAIR Valve and the Cam Dog Operator Kit.

MATERIALS - Both the block type and panel-mounted "A" PILOTAIR Valves have die-cast anodized aluminum bodies for corrosion resistance. They use a new one piece unitized cartridge valve element that is made of a engineered plastic and stainless steel. The seals are oil resistant, synthetic rubber.

The panel-mounted "A" PILOTAIR contains hardened sintered steel cams and cam followers. The cam shaft is a steel extrusion. The handle shaft is cadmium plated steel.

PRESSURES - Maximum inlet pressure is 250 psi (17.2 bar).

TEMPERATURE - Maximum operating temperature is -40º F to +200ºF (-40ºC to +93ºC)

MEDIA - Air & inert gases (consult factory for other uses).

CAPACITY - As shown by the graph, these valves have been designed to give maximum flow capacity to speed operations and provide full power.

CARTRIDGE VALVE ELEMENT - is constructed of engineered plastic and stainless steel. This design gives superior corrosion resistance and sealing also simplifies repairs.

The Block-Type "A" PILOTAIR Valve is a poppet-type, on-off, 3 way directional valve enclosed in a solid die-cast aluminum block for ruggedness and ease of installation. The basic valve and all operators can be easily and quickly assembled without special tools. This valve line features a choice of six operators, assembled to the basic valve 2-MA-1A, to provide cam, lever and pilot cylinder operation. The design permits conversion from one type of operation to another and simplifies stocking. The body design lends itself to individual or multiple-mounting operations. The Block-Type "A" PILOTAIR Valve can be installed in any convenient position without interfering with the valve operation. The straight, flat sides are identical to provide either right or left hand horizontal mounting. Mounting holes are also provided for mounting the valve vertically from the top or bottom. All valves, except the Normally Open 2-CA-1B, have dual 1/4" NPT IN and OUT ports for ease of piping. Pipe plugs are furnished with each valve for plugging the unused ports. Unitized cartridge valve elements are used for long life, easy service, corrosion resistance and excellent sealing characteristics.





Specifications  · Features and Specifications

Specifications

Old Part #

P 58720
P058720

P58720

Configuration

Normally Closed

Operation

Straight Push

Length

2.50 in.

Width

1.50 in.

Height

2.75 in.

Weight

3/4 lb
0.34
kg

Maximum Inlet Pressure

250 psi
17.2
bar

Maximum Operating Temperature

-40 to +200 ºF
-40 to +93
ºC

Media

Air & inert gases (consult factory for other uses).


Features and Specifications
"A" PILOTAIR, Block-type and Panel Mounted Valves The REXROTH "A" PILOTAIR Valves are block-type and panel-mounted poppet-type directional valves which open, close or vent an air circuit. The poppet-type directional valve is ideal for frequent usage because of its ease of operation. This valve line makes maximum use of high production parts which are interchangeable throughout this product line as well as providing interchangeability of parts with the poppets in our Controlair ® and Flexair® Valve product lines. A definite advantage is gained when all of these products are used in the same application.

A very short travel of the valve parts produces full capacity flow. This factor is important in fact action circuits and repetitive manual or mechanical operations. Its design is highly compact for conserving mounting space and appearance. Spring force and air pressure are combined to give a tight seal and its resulting economies. Both block type and panel mounted "A" PILOTAIR Valves have a large flow capacity and have been proven under the most adverse conditions for dependable operation.



 MORE IMAGES 

·  Type A Pilotair Pressure Drop vs Flow Curve

·  2-CA-1A Normally Closed Pilotair® Valves with Cam Dog Details



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Rexroth Operator Kits for "A" Pilotair® Valves

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