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Main Valves
main-valves
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Type E Main Valve
Features
- 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.)
- 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
- Pressure Reducing - Type ED Series
- Air Adjusted - Type EA Series
- Back Pressure - Type EQ Series
- Pump Governor - Type EP Series
- Load Allocating - Type EFD
- Air Controlled - Type EAP60
- Electronic Slow Start - Type ED208D
- Solenoid Controlled - Type EMD
- Solenoid Actuated - Type EM
- Differential - Type EN
- Temperature Control - Type ET Series
The valve shall be self-operated, external pilot type, single seated, metal diaphragm actuated, normally closed design. The valve will function quickly and shut tight on dead end service. Internal parts including seats, discs, stems and diaphragms shall be of stainless steel. There shall be no springs in the steam space and no stuffing box. The valve shall be easy to maintain with all parts accessible without removal from the line. -
Type E2 Main Valve
Features
- 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.)
- 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
- 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. -
Type E5 Main Valve
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.)
- 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
- 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
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. -
Type E6 Main Valve
Features
- 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
- 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
- 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. -
Type E8 Main Valve
Features
- 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
- 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
- Pressure Regulating for Steam Distribution
- Regulating for Process Control (Temperature or Pressure)
- Maintain Back Pressure or Differential Pressure
- To use Air Load Pressure to Control Delivery Pressure
- Single Point or Multiple Use Applications
- Slow Start-up or Shutdown
- Use where "Dirty Steam" Conditions Exist
The valve shall be air operated, single seated, metal diaphragm actuated, normally closed design. The valve will function quickly and shut tight on dead end service. Internal parts including seats, discs, stems and diaphragms shall be of stainless steel. There shall be no springs in the steam space and no stuffing box. The valve shall be easy to maintain with all parts accessible without removal from the line. -
Type C34 Main Valve
Features
- 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
- 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 Actuated - Type C34M
- Differential - Type C34N
- Cooling Control - Type C34T
- Pressure Regulating for Liquid 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, diaphragm actuated, normally closed design. The valve will shut tight on dead end service and shall maintain a discharge pressure which will not vary more than 10% (2 psi minimum) of set point from zero flow to rated flow regardless of inlet pressure variation. Valve shall be suitable for 200ºF (93ºC) service temperature. Bodies shall be cast iron. Sizes 2-1/2" and larger shall have flanged ends. Trim shall be stainless steel. Valves shall be equipped with a reversible composition disc. Diaphragms and discs shall be nitrile. There shall be no springs in the fluid space and no stuffing box.