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Typical Back Pressure Regulator Installation

From Low Pressure

Flash System

This bulletin should be used by experienced personnel as a guide to the installation of the Model GP-2000R Back

Pressure Regulator. Selection or installation of equipment should always be accompanied by competent technical

assistance. You are encouraged to contact Armstrong International, Inc. or its local representative for additional

information.

1. An Armstrong Inverted Bucket Steam Trap is

recommended to drain condensate at inlet of regulator

if required.

2. An Armstrong Y-Strainer (100 mesh) should be

installed before the regulator to reduce the chance of

dirt fouling.

3. Pressure gauges should be installed before the

regulator. The upstream gauge should be installed in

or near the control pipe.

Model GP-2000R

Back Pressure Regulator

Installation, Operation

and Maintenance Instructions

Control Pipe

(Pitch Down)

Armstrong

Strainer

Minimum of 10 Inlet

Pipe Diameters from

PRV to Last Valve

Installation Instructions

4. Control pipe connections go into ¼" tapping on the

5. By-pass line around regulator will allow manual relief

6. Install regulator with diaphragm down and with flow in

Gate

Valve

GP-2000R

or Fitting

side of the pilot valve. Be certain the pipe is pitched

away from the regulator. Erratic control could result if

this is not done. Control pipe length should be a

minimum of 10 inlet pipe diameters.

while valve is being serviced.

the direction of the arrow on the body.

Bulletin No. AY-708