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All Categories > Regulators (Water, Steam, Air) > Main Valves > Type E2 Main Valve  

Type E2 Main Valve

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Low Pressure
Low Differential
  • Normally Closed
  • Single Seat
  • Nitrile Diaphragm
  • Protected Main Spring
  • Gas & Steam Applications
  • Accurate Regulation Unaffected by Service Conditions
  • ANSI/FCI 70-2 Class IV Shutoff
  • Virtually Frictionless for Long Service Life
  • Packless Construction
  • Easy In-line Maintenance
  • Wide Variety of Pilots for Many Applications
  • Minimum Operating ΔP 3 psi (0.2 bar)
  • Lifetime Warranty against Wire drawing of Seat & Disc (When installed according to factory specifications.)
Typical Configurations
  • Pressure Reducing - Type E2D
  • Air Adjusted - Type E2A Series
  • Back Pressure - Type E2Q
  • Load Allocating - Type E2FD
  • Air Controlled - Type E2AP60
  • Electronic Slow Start - Type E2D208D
  • Solenoid Controlled - Type E2MD
  • Solenoid Actuated - Type E2M
  • Differential - Type E2N
  • Temperature Control - Type E2T14
  • Temp. & Pressure Control - Type E2T134
Applicable Data
  • Pressure Regulating for Steam Distribution
  • Regulating for Process Control (Temperature or Pressure)
  • Maintain Back Pressure or Differential Pressure
  • For use with Self-contained, Pneumatic or Electronic Pilots
  • Single Point or Multiple Use Applications
  • Slow Start-up or Shutdown
The valve shall be self-operated, external pilot type, single seated, nitrile diaphragm actuated, normally closed design. The valve will function quickly and shut tight on dead end service. Internal parts including seats, discs and stems shall be of stainless steel. There shall be no springs in the steam flow path and no stuffing box. The valve shall be easy to maintain with all parts accessible without removal from the line.



3/4 to 10 in

Pressure at 250ºF

15 psig

Body Material

Cast Iron - ASTM A126 Cl. B

Stem Material

303 Stainless Steel ASTM A582

Disc Material

2 1/2" - 10" - 304 Stainless Steel ASTM A167/A240
3/4 - 2" - 420 Stainless Steel ASTM A743 CA-40

Seat Material

420 Stainless Steel ASTM A743 CA-40

Gasket Material


Diaphragm Material


Spring Material



Insulcap Insulating Jacket
Integral Mount Pilot

EZ Connections

Composition Disc for liquid, air or gas service


·  Valve Rating (Type E2 Main Valve)

·  Dimensions & Weight (Type E2 Main Valve)

·  Rated Flow Coefficients (Type E2 Main Valve)


Main Valve Options
(PDF, 192KB)

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