Quick Pressure Relief Valve
83Q
800 Series
Waterworks
Hydraulically operated, piston actuated, quick pressure relief valve that relieves excessive system pressure when such pressure rises above a pre-set value. It responds immediately, accurately, and with high repeatability to a rise in system pressure by opening fully. It also provides smooth drip tight closing.
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Robust structure, piston actuated – High pressure service
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Line pressure driven – Independent operation
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Elegant simplicity
- Cost effective
- Simple to maintain
- Minimal external accessories
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In-line serviceable - Easy maintenance
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Double chamber design
- Moderated valve reaction
- Moderated closing curve
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Flexible design - Easy addition of features
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Semi-straight flow – Non-turbulent flow
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Stainless Steel raised seat - Cavitation damage resistant
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Obstacle free, full bore – Uncompromising reliability
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V-Port throttling plug (optional) - Very stable at low flow
Typical Applications
- Pressure reducing systems - Protection against pressure rise during sudden demand stoppage or failure
- Old pipe systems - Installed at sensitive spots and line ends to protect against bursts during pressure surges
How 83Q
is used in
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