The PN. RELAY FIXED .345 BAR SPAN by NEUCO INC is a reliable fixed relay designed for pressure monitoring and control in industrial applications. This device operates within a fixed span of .345 bar, making it suitable for various pressure-sensitive systems. Its robust construction ensures durability and long-lasting performance in demanding environments. The relay is designed for easy integration into existing systems, providing flexibility for engineers and technicians. With its precise pressure control capabilities, this relay is an essential component for enhancing operational efficiency and safety in various applications.
Commercial Building Controls : Pneumatic Products : Pneumatic Relays : RP971 : RP971A1031/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 kPa 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
- Pressure Range (kPa)
- Output Span--21 to 90 kPa
- 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
