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All Categories > Regulators (Water, Steam, Air) > Main Valves > Type E6 Main Valve  

Type E6 Main Valve

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High Pressures-High Lift
Cold Service
  • Normally Closed
  • Single Seat
  • Balanced Nitrile Diaphragm
  • Protected Main Spring
  • Composition Disc for Tight Shutoff
  • Air & Gas Applications
  • Accurate Regulation Unaffected by Service Conditions
  • ANSI/FCI 70-2 Class VI Shutoff
  • Virtually Frictionless for Long Service Life
  • Packless Construction
  • Easy In-line Maintenance
  • Wide Variety of Pilots for Many Applications
Typical Configurations
  • Pressure Reducing - Type E6D
  • Air Adjusted - Type E6A
  • Back Pressure - Type E6Q
  • Pump Governor - Type E6P
  • Load Allocating - Type E6FD
  • Air Controlled - Type E6AP60
  • Electronic Slow Start - Type E6D208D
  • Solenoid Controlled - Type E6MD
  • Solenoid Actuated - Type E6M
  • Differential - Type E6N
  • Temperature Control - Type E6T
Application Data
  • Pressure Regulating for Compressed Air Distribution
  • Pressure Regulating for Gas Service
  • 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, composition disc, nitrite diaphragm actuated, normally closed design. The valve will function quickly and shut tight on dead end service. Seats and stems shall be of stainless steel. There shall be no springs in the flow space and no stuffing box. The valve shall be easy to maintain with all parts accessible without removal from the line.



3/4 to 12 in

Pressure at 200ºF

250 psig

Body Material

Cast Iron - ASTM A126 Cl. B

Stem Material

303 Stainless Steel ASTM A582

Disc Material

Nitrile Comp.

Seat Material

3/4 - 5" - 420 Stainless Steel ASTM 473 CA-40
6 - 8" - 316 Stainless Steel ASTM A743 CF-8M

Gasket Material


Diaphragm Material


Spring Material


Disc Holder Material

ASTM B16 UNS C36000


Balanced Construction
Insulcap Insulating Jacket

Integral Mount Pilot

EZ Connections

Dashpot for Water Service


·  Dimensions & Weight (Type E6 Main Valve)

·  Valve Rating (Type E6 Main Valve)

·  Rated Flow Coefficients (Type E6 Main Valve)


Main Valve Options
(PDF, 192KB)

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