Relays
58 customer.honeywell.com 70-6925
RP970 Pneumatic Capacity Relay
Direct acting, modulating relay provides increased capacity of the
branchline pressure to the final control device. Replacement
devices are available for Johnson, Powers, Robertshaw, Barber-
Colman, and older Honeywell devices.
• In-line, wall, or panel mounted.
• Sharp-barb air connections.
• Molded plastic construction with neoprene diaphragms.
• Mounting clip provided.
RP970 Typical Piping
Type: Pneumatic Capacity Relay
Dimensions, Approximate: 1 1/2 in. diameter, 1 1/2 in. deep
(38 mm dia., 38 mm deep)
Airflow Usage: 0.002 scfm (1.0 mL/s) maximum
Air Connections: Barb fittings, Port 1: 1/4 in. (6 mm) O.D. plastic
tubing; Other Ports: 5/32 in. (4 mm) O.D. plastic tubing
Action: Direct Acting
Capacity: 0.039 scfm at 1 psi differential (18 mL/s at 5 kPa differential)
Mounting: Wall or In-line or panel
Operating Humidity Range (% RH): 5 to 95% RH
Temperature Range: 0 F to 140 F (-18 C to +60 C)
Maximum Safe Operating Pressure: 30 psi (205 kPa)
Accessories:
14003203-003 Conversion Kit to convert Johnson, Powers,
Robertshaw, Barber Coleman and older Honeywell switches
M
DAMPER OR
VALVE
ACTUATOR
RESTRICTOR
BLEED-TYPE DUCT
THERMOSTAT
C4479-1
RP970
41
3
2
EXH
TO ADDITIONAL ACTUATORS
OR LONG TRANSMISSION LINE
M
Product Number Operation
Input Operating
Pressure
Description Includes(psi) (kPa)
RP970A1008 Provides increased capacity
of branchline pressure to final
control device
0 to 20 psi 0 to 138 kPa Wall, In-Line or panel
mounted Pneumatic Capacity
Relay
14003030-001, 1 1/2 in. Mounting Clip
for Mounting relay to wall or panel
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