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KMC Controls RCC-1505/1506/1507/1508 Addition and Subtraction Relays

Addition and Subtraction Relays
RCC-1505/1506/1507/1508

These main valve capacity relays are designed for use in pneumatic control circuits. RCC-1505/1506 are addition relays for adding 2 signals up to 30 psig (207 kPa). They are intended for use in systems where the output signal to the controlled device is to be the sum of the 2 different source signals. RCC-1507/1508 are subtraction relays for subtracting one signal from another up to 30 psig (207 kPa). They are intended for use where the desired output signal to the controlled device is to be the difference of the 2 source signals. A bias adjustment is provided to retard or advance the output if necessary for all models. Their small size and light weight make them suitable for in-line mounting and may be in any position.

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Cat #Descriptions
RCC-1505Addition; no bracket
RCC-1506Addition; with bracket
RCC-1507Subtraction; no bracket
RCC-1508Subtraction; with bracket
Maximum Pressure: 30 psig (207 kPa)
Connections: 3/16" (5 mm) (6 mm) OD polyethylene tubing
Air Consumption: 14.4 scim (3.93 mL/s)
Air Capacity: 1728 scim (473 mL/s) @ 20 psig, (138 kPa)
Material: Flame-retardant plastic
Weight:
RCC-1501/1502: 2-1/4 oz. (64 grams)
RCC-1503/1504: 3-1/2 oz. (99 grams)
Mounting:
RCC-1501/1503: In-line via air connections
RCC-1502/1504: With mounting bracket
Factory Settings: 8 psig in/ 8 psig out (RCC-1501, 1502)
9 psig in/ 9 psig out (RCC-1503, 1504)
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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