Name: D Series Pressure Reducing Pilot
Brand: Fisher

Spence Pressure Regulator is a combination of D Series pilot and a Type E main valve.

This regulator reduces a steady or varying initial pressure to a constant, adjustable delivery pressure. The D Series Pressure Reducing Pilot is a normally closed design with a packless construction. Can be used in conjuction with other pilots. Spring pressure ranges from 30 inches vacuum to 300 PSI.

D Series Pressure Reducing Pilot

Specs

Available Configurations

D138: Single back check valve with 2 x 2-1/4 (MNPT x ACME) connections
D139: Single back check valve with 3 x 3-1/4 (MNPT x ACME) connections
D140: Double back check valve with 2 x 2-1/4 (MNPT x ACME) connections
D141: Double back check valve with 3 x 3-1/4 (MNPT x ACME) connections

Temperature Capabilities

-20 to 160°F / -29 to 71°C