June 2019 - See this page for an updated solution.

Bristol® 5457 Replacement

To replace the Bristol® 5457 remote set point pneumatic controller, consider the Fairchild Models 24XF or 24XFM Motor Driven Precison Pressure Regulators and a Pneumatic Controller.

The Fairchild motor driven regulator provides
the critical Lock In Last Position fail mode.

Sample Part Number
(Part number for your application may be different.)
Key Features

*Lock in Last Position
High Accuracy
High Pressures

*Lock in Last Position
High Accuracy
High Pressures
4 - 20 mA 4 - 20 mA
Power Supply
12 - 24 VDC 12 - 24 VDC
Max. Supply Pressure
500 psig 500 psig
Output Range
0.5 - 30 psig 0 - 30 psig
Tapped Exhaust with Constant Bleed No Bleed
FM Explosion Proof FM Explosion Proof
Approval Pending
Expected July 2012
*Lock in Last Position - On loss of 4-20 mA signal there is a comparative circuit which will fail in last position. In addition, the DC motor will lock on loss of power.

Since 1920 Fairchild Industrial Products Company has manufactured precision, high quality, pneumatic and electro-pneumatic controls. The company is ISO 9001 certified.