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KMC Controls RCC-1511/1512 2 to 1 Ratio Relay

2 to 1 Ratio Relay
RCC-1511/1512

RCC-1511 and 1512 are main valve capacity ratio relays designed to provide an output signal in proportion to the input. Each 1 psi change to the input yields a 2 psi change to the output. They are used in pneumatic control circuits when the final control device must be controlled by a signal that is proportionally different from the source signal. A bias adjustment is provided and is factory set for 9 psi out with 9 psi in. The size and light weight make them suitable for in-line mounting and can be in any position.

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Cat #Descriptions
RCC-1511In-line, without bracket
RCC-1512With mounting bracket (shown)
Maximum Pressure: 30 psig (207 kPa)
Connections: 3/16" (5 mm) nipples for 1/4"
(6 mm) OD polyethylene tubing
Air Consumption: 14.4 scim (3.93 mL/s)
Air Capacity: 1728 scim (473.43 mL/s) @
20 psig (138 kPa)
Material: Flame retardant plastic
Factory Settings: Zero bias
Bias Adjustment: ±15 psi (103 kPa)
Temperature Limits: Operating: 40 to 120° F (4 to 49° C)
Shipping –40 to 140° F (–40 to 60° C)


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