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 The Model 735-M Surge-Anticipating Valve is an off-line, hydraulically-operated, diaphragm-actuated valve. The valve, sensing line pressure, opens in response to the pressure drop associated with abrupt pump stoppage. The pre-opened valve dissipates the
returning high pressure wave, eliminating the surge.
The Model 735-M smoothly closes drip-tight as quickly as the relief feature allows, while preventing closing surge.
The valve also relieves excessive system pressure.
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Eliminates surge for all pumping systems:
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Booster & deep well, single & variable speed
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Eliminates surge for all distribution networks:
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Municipal, hi-rise buildings, sewage, HVAC, irrigation
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Difficult to maintain, remote locations, older systems
Features and Benefits
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Replaces surge air vessels
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Relieves surge, fail-safe open
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Minimal maintenance
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Economy of space
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Lower investment & maintenance costs
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Especially economic for higher pressure ratings
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Line-pressure driven
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Independent operation
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No motor required
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Long-term drip-tight sealing
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Adjustable hydraulic actuation
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Double chamber
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Moderated valve closing (no surges)
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Protected diaphragm
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In-line serviceable – easy maintenance
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Obstacle-free full-bore – uncompromising reliability
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Balanced seal disk – high flow capacity
Back to 700 Series Control Valve Line Up
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