Pneumatic Direct Acting Multi-Function Analog Relay

Description

The 243 Analog Relays are pneumatic auxiliary devices designed to assist the engineer in obtaining specialized
control action within a pneumatic control system.

Application:
The 243 Analog Relay is used for amplifying, summing, differential pressure, ratio control higher pressure and
signal characterization control. The relay has a two-valve design to ensure stability and prevent unnecessary air
consumption.

This relay does not require any adjustment or calibration and can be mounted in any position. An internal relief is
provided to assure fail-safe operation on loss of air supply.

Features:
Multi-function
Lightweight commercial model with molded barb fittings for 1/8″ (3 mm) polyetheylene tubing
Heavy duty die-cast model with 1/8″ NPT ports
Mounting bracket included with both models; can be mounted in any position