Pneumatic Ratio Relay
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| The RP971A produces a modulating pressure output proportional to pilot pressure changes. This four-port non-bleed direct-acting relay is used to control valves or dampers in sequence from a single pressure input. |
| Ratio relay. Startpoint adjustable.
For RP971A1007 input span 21 kPa and RP9712A1015 input span 34 kPa |
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| Branch Line Pressure range |
0 ... 124 kPa |
| Max. safe air pressure |
205 kPa |
| Air connection |
barb for 5/32" or 4 mm O.D. plastic tubing |
| Model |
Operating Range 0 to 124 kPa |
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