Surge Anticipating Control Valve | Model 735-55-M

Surge Anticipating Control Valve Model 735-55-M

The Model 735-55-M Surge Anticipating Valve with Solenoid Control is an off-line, hydraulically operated, diaphragm actuated valve. The valve immediately opens in direct response to any power failure even prior to the pressure drop associated with abrupt pump stoppage. The pre- pened valve dissipates the returning high pressure wave, eliminating the surge. The Model 735-55-M, sensing line pressure, smoothly closes drip-tight as quickly as the relief feature allows, while preventing closing surge. The valve also relieves excessive system pressure.

  • Replaces surge air vessels
    • Relieves surge, fail-safe open
    • Minimal maintenance
    • Economy of space
    • Lower investment and maintenance costs
    • Especially economic for higher pressure ratings
  • Solenoid controlled
    • Low cost wiring
    • Wide range of pressures
  • Line pressure driven
    • No motor required
    • Adjustable hydraulic actuation
  • Double chamber
    • Moderated valve closing (no surges)
    • Protected diaphragm
  • In-line serviceable – Easy maintenance
  • Obstacle free, full bore – Uncompromising reliability
  • Balanced seal disk – High flow capacity

Typical Applications

In this system, a pump battery supplies the main line through a manifold. The Model 735-55-M:

  • Eliminates surge upon power failure
  • Provides surge free switching between “on-duty” pumps
  • Closes smoothly according to pilot setting

The solenoid control is especially advantageous when:

  • Static pressure is lower than 3 bar (45 psi)
  • Discharge line is short and wave critical time is less than 3 seconds
  • Electric control is preferred due to maintenance considerations

 

 

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