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All Categories > Drilling Rig Air Valves for MMO (Marine, Mobile & Oil Field) > Emerson Aventics (WABCO) Drilling Rig Air Valves > Aventics Relay Valves > Rexroth Type 'S' Relay Valves > Rexroth Type 'S' Relay Valves > Item # R431003663  
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Item # R431003663, Rexroth Type 'S' Relay Valves


Features
Reliability - Automatically sustains pressure directed by the pilot line on a 1 to 1 ratio (optional ratios shown below). The balanced internal valve functions to relieve excess pressure, or to maintain pressure against demand. Rubber seated valves provide zero leakage.

Installation Versatility - Operates in any position. May be supported by piping alone or by a mounting bracket. The IN and OUT ports are plainly marked on the body.

Ease of Maintenance - The valve may be serviced without disturbing line connections. All parts are accessible by removing top cover. No special tools are required.

Large Capacity - Designed with minimum valving to provide maximum flow (see graph).

Modern Construction - All materials are corrosion resistant. The sturdy die cast body contains wrench flats for ease of installation. Ports have dry seal pipe threads (suitable with standard pipe thread).

Positive Seals - Packing rings are located at all critical points in the assembly to eliminate internal and external leakage.

Application
The "S" Relay Valve is a pilot-operated, 3-way, pneumatic pressure control valve with open exhaust. The large capacity of this valve makes it an ideal volume booster. It receives pressure signals from a remote control valve and repeats this pressure with a greater rate of flow to the component being controlled. The valve serves to speed response time between sending and receiving stations in a pneumatic circuit which involves long piping runs or branch circuits. Where the controlled component is not in a readily accessible location, remote piloting provides a solution.




Specifications  · Materials  · Dimensions

Specifications

Old Part #
P 055160
P -055160-00000
P 55160
P055160
P55160

Pipe Size
3/8"-18

Model Designation
3-S

Weight
2 lb
6 oz

Type
3 way pilot operated pressure control

Maximum Supply Pressure
250 psi

Maximum Pilot Pressure
250 psi

Ratio-Pilot To Delivery
1:1 standard; others noted below.

Temperature Range
-20 to 160 ºF

Media
Air or inert gas

Pilot Port Size
1/4" NPT

Body Port Size
1/4" and 1" as noted below

Hysteresis
Less than 5 psi.


Materials

Body Material
3/4" and 1" die cast aluminum
3/8" & 1/2" die cast zinc

Diaphragm Material
Nylon reinforced HYCAR

Other Material
Anodized aluminum or plated


Dimensions

A
3 9/16 in.

B
3 1/4 in.

C
3 1/4 in.

D
4 1/2 in.

E
4 1/16 in.

F
2 1/4 in.

G
1 11/32 in.

H
1 5/8 in.

I
2 7/8 in.

J
11/16 in.

K
15/32 in.


 MORE IMAGES 

·  Rexroth Type S Valve Flow Capacities

·  Rexroth Type S Valve Operating Characteristics

·  Type S Relay Valves Details



 R431003663 Rexroth Type 'S' Relay Valve Repair Kits 


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R431004153
Rexroth Type 'S' Relay Valve Repair Kits

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