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
- Line pressure driven – Independent operation
- Elegant simplicity
- Cost effective
- Simple to maintain
- Minimal external accessories
- In-line serviceable - Easy maintenance
- Double chamber design
- Moderated valve reaction
- Moderated closing curve
- Flexible design - Easy addition of features
- Semi-straight flow – Non-turbulent flow
- Stainless Steel raised seat - Cavitation damage resistant
- Obstacle free, full bore – Uncompromising reliability
- 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