The Ratio Relay RP971A1015 from NEUCO INC is designed for precise control in automation systems. This relay features a robust design that ensures reliable performance in various applications. Its specifications allow for accurate ratio control, making it ideal for complex systems requiring precise adjustments. Built to meet industry standards, this relay is a dependable choice for enhancing operational efficiency and reliability in industrial environments.
Commercial Building Controls : Pneumatic Products : Pneumatic Relays : RP971 : RP971A1015/U
Wall, In-Line or panel mounted Pneumatic Four Port Ratio Relay
Overview
Pneumatic relay produces a modulating pressure output, and controls pneumatic valve or damper actuators in sequence from a single thermostat. Replacements are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices.
Features
- Adjustable pilot start point pressures.
- Two pilot pressure spans available.
- Four sharp-barb air connections.
- Molded plastic construction with neoprene.
- Mounting clip provided.
Product Specifications
- Application
- Pneumatic, Four Port Ratio Relay
- Airflow Usage
- 0.002 scfm (1.0 mL/s) maximum
- Dimensions (in.)
- 2 in. diameter x 2 5/8 in. deep
- Dimensions (mm)
- 52 mm dia. x 67 mm deep
- Maximum Safe Operating Pressure (psi)
- 30 psi, maximum
- Maximum Safe Operating Pressure (kPa)
- 205 kPa, maximum
- Temperature Range (F)
- 0 F to 140 F
- Temperature Range (C)
- -18 C to +60 C
- Includes
- 14003030-002 Mounting Clip and scaleplate with psi markings
- Mounting
- Wall or In-line or panel
- Operating Humidity Range (% RH)
- 5 to 95% RH
- Pressure Range (psi)
- Output Span--3 to 13 psi; 5 psi pilot input span
- Pressure Range (kPa)
- Output Span--21 to 90 kPa; 34 kPa pilot input span
- Action
- Direct Acting
- 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
- Capacity
- 0.039 scfm at 1 psi differential (18 mL/s at 5 kPa differential)
- Operation
- Produces modulating pressure output proportional to pilot pressure input changes
- Pilot Start Pressure (psi)
- Adjustable 0 to 10 psi
- Pilot Start Pressure (kPa)
- Adjustable 0 to 69 kPa