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All Categories > Drilling Rig Air Valves for MMO (Marine, Mobile & Oil Field) > Bosch-Rexroth (WABCO) Drilling Rig Air Valves > Rexroth Relay Valves > Rexroth Start Air Valve > Item # R431006579  
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Item # R431006579, Rexroth Start Air Valve



TECHNICAL DATA:
Type: Pilot operated 3-way pneumatic relay valve
Supply Pressure: 450 psi [31.0 bar]
Pilot Pressure: 75 psi max. [5.2 bar] (Reset at 20 psi [1.3 bar])
Temperature range: -40°F to 160°F
Media: Air or inert gas
Port Size:
    1-1/4" NPT : In and Out ports [A, P]
    3/4"-14 NPT : Exhaust port [R]
    1/4"-18 NPT : Pilot port [Z]
Weight: 23 lbs. [8.6 kg].
Mounting: M 12 threads.

Operating Characteristics
Used in pneumatic circuits to start diesel engines or operate a number of receivers requiring higher pressure activation, or anywhere that larger volume and/or higher pressures are used.

Start Air Valve NPT Flange (Includes one flange - two flanges are required for the Start Air Valve.)





Specifications  · Dimensions

Specifications

Old Part #

P065227
P-065227

P65227

P-65227

Flanges Required

2

Service Bulletin Number

A5-81.01-SA

Type

Pilot operated 3-way pneumatic relay valve

Supply Pressure

450 psi
31.0
bar

Maximum Pilot Pressure

75 psi
5.2
bar

Temperature Range

-40 to 160 ºF

Media

Air or inert gas

Weight

23 lb
8.6
kg

Mounting

M 12 threads.


Dimensions

A - NPT

1-1/4-11 1/2 in.

B

9.14 in.

C

5.19 in.

D

3.07 in.

E

0.83 in.

F

0.98 in.

G -NPT

1/4-18 in.

H

M12

J

0.47 in.

K -UNC

1/2-13 in.

L

2.52 in.

M

4.85 in.

N

6.42 in.

O

0.87 in.

P -NPT

1-1/4-11 1/2 in.

Q

3.53 in.

R - NPT

3/4-14 in.

S

3.53 in.

T

5.95 in.

ØU

3.54 in.


 MORE IMAGES 

·  Schematic Diagram



 Rexroth Start Air Valve Flange 


Image
Rexroth Start Air Valve Flange

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