Spence Product Information
Spence Type E2 Series
Main Valve
The Type E2 Main Valve is controlled by one or more pilots. Available in Cast Iron, the Spence Type E2D pressure regulator is designed to reduce a steady or varying initial pressure to a constant, adjustable delivery pressure.
Normal accuracy of regulation is +- 1 psi. Ranging in size from 3/4" to 12", the type E2D is designed for use in steam plants and district heating systems. The Cast Iron valve is constructed for steam service up to 250°F.
This regulator is capable of single stage, two stage, and parallel reduction.
The adjustable range of delivery pressure is determined by
the choice of the pilot adjusting spring as follows:
| Type E2D |
| 3 to 20 psi |
| 5 to 50 psi |
| 10 to 100 psi |
| 20 to 150 psi |
The main valve and pilot bodies are suitable for maximum inlet conditions as follows:
| Type E2D | |
| Connection | to 250°F |
NPT Screwed Ends |
15 PSIG |
| Flanged ANSI | 125 pound 15 PSIG |
The Type E2D pressure regulator has many main valve accessories available for special order including composition disc (for liquid, air or gas service), and Insulcap insulating jacket. The Type E2D pressure regulator also has many pilot accessories available for special order:
| Pilot Accessories |
| Enclosed Spring Chamber |
| Adjusting Handwheel |
| Wall Bracket |
| Locking Device |
| Composition Disc |
| Integral Mount Body |
| Vacuum Spring Assembly |
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