Water pressure relief valve 83Qfor water systemsstainless steelpiston
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Characteristics
- Fluid
- for water
- Applications
- for water systems
- Body material
- stainless steel
- Other characteristics
- hydraulic, hydraulically-operated, hydraulic piston, piston, in-line, quick
- Controlled pressure
40 bar
(580.2 psi)- DN
Min.: 40 mm
(1.575 in)Max.: 500 mm
(19.685 in)
Description
Product Overview
This hydraulically operated, piston‑actuated quick pressure relief valve relieves excessive system pressure when pressure rises above a preset value. The valve opens fully on pressure surge for immediate, repeatable response and provides smooth, drip‑tight closing.
Features & Benefits
Typical Applications
Documentation (available)
Technical specifications
This hydraulically operated, piston‑actuated quick pressure relief valve relieves excessive system pressure when pressure rises above a preset value. The valve opens fully on pressure surge for immediate, repeatable response and provides smooth, drip‑tight closing.
Features & Benefits
- Hydraulically operated, piston actuated — suitable for high‑pressure service
- Line‑pressure driven for independent operation
- Simple, low‑accessory design for straightforward maintenance
- In‑line serviceable to reduce downtime
- Double‑chamber design for moderated reaction and closing curve
- Semi‑straight flow / obstacle‑free full bore to minimise turbulence and pressure loss
- Stainless steel raised seat for cavitation resistance
- Optional V‑Port throttling plug for stable performance at low flow
Typical Applications
- Pressure‑reducing systems — protection against pressure rise during sudden demand stoppage or failures
- Older pipe networks — installed at sensitive points and line ends to protect against bursts during pressure surges
- Pumping stations — protection against water hammer and cavitation, optimisation of pump operation
Documentation (available)
- 83Q - Product Page (Metric, English)
- 83Q - Product Page (Imperial, English)
- 83Q - IOM (Installation & Operation Manual, English)
- 800 Series - Ordering Guide (English)
- 800 Series - Engineering (English)
Technical specifications
- Model: 83Q
- Series: 800 Series
- Operation: Hydraulically operated, piston actuated
- Function: Quick pressure relief when system pressure exceeds preset value; full‑open response to surge; smooth drip‑tight closing
- Design: Double‑chamber, in‑line serviceable, semi‑straight flow, obstacle‑free full bore
- Materials / key parts: Stainless steel raised seat for cavitation resistance
- Optional feature: V‑Port throttling plug for stable low‑flow performance
- Service: High‑pressure applications; line‑pressure driven for independent operation
- Maintenance: In‑line serviceable; minimal external accessories
Catalogs
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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