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Type E5 Main Valve
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Features- 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 E5Q
- Pump Governor - Type E5P
- Load Allocating - Type E5FD
- Air Controlled - Type E5AP60
- Electronic Slow Start - Type E5D208D
- Solenoid Controlled - Type E5MD
- Solenoid Actuated - Type E5M
- Differential - Type E5N
- Temperature Control - Type E5T
Applicable Data- Pressure Regulating for Steam Distribution
- High Pressure/Low Differential Pressure Regulating
- Fluid Regulation
- For use with Self-contained, Pneumatic or Electronic Pilots
- Slow Start-up or Shutdown
Specification
The valve shall be self-operated, external pilot type, single seated, 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. The diaphragm shall be a balanced Nitrile material for high lift. There shall be an external condensation chamber supplied. The main valve spring shall operate on a 5 psi minimum differential. 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.
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