The Spence Type A pneumatically controlled pressure reducing pilot operator is a self-contained spring operated pilot designed for the broadest range of steam pressure regulation in the industry. Normally closed operation to prevent steam leakage, and easy in-line maintenance capabilities make the Spence A pilot the choice for steam pressure regulation pneumatic needs.
Available in loading pressure ratios of 5/8:1 to 6-2/3:1
Control regulated steam pressure to within +/- 1 PSIG
Cast iron and cast steel options available depending on incoming pressure service
Spence Type A Air Operated Pressure Reducing Pilot Operator
Spence Type A Air Operated Pressure Reducing Pilot Operator IOM