Regulating Pilots

Spence Model Q Back Pressure Pilot Cast Iron, 10-100 psi range
Spence part no. P-Q-C1A1HS

Type T14, cast iron, 10-ft bronze capillary length, 170-270F temp range with the standard 700 bronze bulb for Steam service
Spence part no. P-T14-C1S1FA11

Spence Pressure Reducing Pilot Model D5 with Orange Spring 5-25 Range, Cast Iron
Spence part no. P-D5-C1A1JS

Spence Model Q Back Pressure Pilot Cast Iron, 3-20 psi range
Spence part no. P-Q-C1A1DS

Spence Air Pilot for pressure control at medium to high pressure, Cast Iron, 2-5/8:1 Air Ratio
Spence part no. P-A43-C1A9AS

Spence Air Pilot for pressure control at medium pressures, Cast Iron, 4:1 Air Ratio
Spence part no. P-A53-C1A9AS

Spence Air Pilot for pressure control at high delivery pressures and low air loading pressures 0-95 Range, Cast Iron, 6-2/3:1 Air Ratio
Spence part no. P-A73-C1A9AS

Spence Air Adjusted Vacuum Pilot for temperature control at lower delivery pressures, Cast Iron, 2-3/8:1 Air Ratio
Spence part no. P-A84-C1A9AS

Type T134 temperature pilot with cast iron body, 170-270F temp range, bronze 700 bulb, 10ft capillary
Spence part no P-T134-C1S1FA11

Bronze, Pneumatic, 50-250 Range, T61
for applications where air control signal decreases as process temperature increases
Spence part no. P-T61-B1

NOTE: If well is needed add part no 07-01173-00