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Main Valves


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Type E Main Valve

Type E Main Valve


  • Normally Closed
  • Single Seat
  • Balanced Metal Diaphragms
  • Protected Main Spring
  • Fluid, Gas & Vapor Applications
  • Multiple Trims for Precise Sizing
  • ANSI/FCI 70-2 Class IV Shutoff
  • FCI 70-3 Class VI Shutoff
  • Virtually Frictionless for Long Service Life
  • Packless Construction
  • Easy In-line Maintenance
  • Wide Variety of Pilots for Many Applications
  • Minimum Operating ΔP 10 psi (0.7 bar)
  • Lifetime Warranty against Wire drawing of Seat & Disc (When installed according to factory specifications.)
Application Data
  • Pressure Regulating for Steam Distribution
  • Regulating for Process Control (Temperature or Pressure)
  • Maintain Back Pressure or Differential Pressure
  • For use with ...
Type E2 Main Valve

Type E2 Main Valve


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 ...
Type E5 Main Valve

Type E5 Main Valve


High Pressures-High Lift
Low Differential
  • Normally Closed
  • Single Seat
  • Balanced Nitrile Diaphragm
  • Protected Main Spring
  • Long Main Spring Operates on 5 psi Minimum Differential
  • Internal & External Condensation Chambers
  • Fluid, Gas & Vapor 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
  • Lifetime Warranty against Wire drawing of Seat & Disc (When installed according to factory specifications.)
Typical Configurations
  • Pressure Reducing - Type E5D
  • Air Adjusted - Type E5A
  • Back Pressure - ...
Type E6 Main Valve

Type E6 Main Valve


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 ...
Type E8 Main Valve

Type E8 Main Valve


Air Loaded
  • Normally Closed
  • Single Seat
  • Balanced Metal Diaphragms
  • ANSI/FCI 70-2 Class IV Shutoff
  • No Minimum Operating Differential Pressure
  • Packless Construction
  • No Pilot Needed
  • Maximum 50 PSI Air Delivery Pressure
  • Permits Remote Operation and Control
  • Economical Alternative to Control Valve
Typical Configurations
  • Pressure Reducing - Type E8 65A
  • Pressure Reducing - Type E8 A Panel
  • Pressure Reducing - Type E8 B Panel
  • Pressure Reducing - Type E8EPC
  • Temperature Control - TypeE8T61
  • Temperature Control - Type E8EPC
Applicable Data
  • Pressure Regulating for Steam Distribution
  • Regulating for Process Control (Temperature or Pressure)
  • Maintain Back Pressure or ...
Type C34 Main Valve

Type C34 Main Valve


Balanced Single Seat
Liquid Service
  • Normally Closed
  • Single Seat
  • Nitrile Diaphragm
  • Balanced Composition Disc
  • Protected Main Spring
  • Balanced Piston Design without Dashpot
  • Fluid Applications
  • Accurate Regulation for Non-violent Load Fluctuations
  • ANSI/FCI 70-2 Class VI Shutoff
  • Virtually Frictionless for Long Service Life
  • Packless Construction
  • Wide Variety of Pilots for Many Applications
Typical Configurations
  • Pressure Reducing - Type C34D
  • Air Adjusted - Type C34A
  • Back Pressure - Type C34Q
  • Pump Governor - Type C34P
  • Load Allocating - Type C34FD
  • Air Controlled - Type C34AP60
  • Electronic Slow Start - Type C34D208D
  • Solenoid Controlled - Type C34MD
  • Solenoid ...
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