/content/hbtbt/us/en/search-results.html

Relays & Switches

RP971A Ratio Relay

RP971A ratio relays are 4-port non-bleed pneumatic relays that produce a modulating pressure output proportional to pilot input changes. They are used to control pneumatic valves or damper actuators in sequence from a single thermostat.

Overview

RP971A ratio relay are 4-port non-bleed pneumatic relays that produce a modulating pressure output proportional to pilot input changes. They are used to control pneumatic valves or damper actuators in sequence from a single thermostat.

Features & Benefits:
  • Adjustable pilot start point pressures
  • Two pilot pressure spans available
  • Four sharp barb air connections
  • Molded plastic construction with neoprene diaphragms and stainless steel valve seats
  • 100 mesh stainless steel screens in main and branch ports
  • Designed for in-line mounting but can be wall- or panel-mounted
Sort
Engineering Specifications
Document Title
Document Type
File Size
Document Language
Brand
Engineering Specifications
8.16 MB
Engineering Specifications
0.07 MB
Installation Instructions
Document Title
Document Type
File Size
Document Language
Brand
Installation Manual
0.30 MB
Document Title
Document Type
File Size
Document Language
Brand
Engineering Specifications
8.16 MB
Installation Manual
0.30 MB
Engineering Specifications
0.07 MB
Product Number
Image
SKU
Description
alt
RP971A1007/U
Ratio Relay, 3 to 13psi, 3psi Pilot Input Span, Wall- or Panel-Mount
alt
RP971A1015/U
Ratio Relay, 3 to 13psi, 5psi Pilot Input Span, Wall- or Panel-Mount
alt
RP971A1023/U
Ratio Relay, 21 to 90 kpa, 21 kpa Pilot Input Span, Wall or Panel-Mount
alt
RP971A1031/U
Ratio Relay, 21 to 90 kpa, 34 kpa Pilot Input Span, Wall or Panel-Mount
Image
SKU
Description
alt
RP971A1007/U
Ratio Relay, 3 to 13psi, 3psi Pilot Input Span, Wall- or Panel-Mount
alt
RP971A1015/U
Ratio Relay, 3 to 13psi, 5psi Pilot Input Span, Wall- or Panel-Mount
alt
RP971A1023/U
Ratio Relay, 21 to 90 kpa, 21 kpa Pilot Input Span, Wall or Panel-Mount
alt
RP971A1031/U
Ratio Relay, 21 to 90 kpa, 34 kpa Pilot Input Span, Wall or Panel-Mount