Reliance RWC 100 Series Pressure Relief Valve 1

Reliance RWC 100 Series Pressure Relief Valve 1" x 1.1/4" F x F 3 Bar - PREL100023

The PREL100023 High Capacity Sealed Heating System Pressure Relief Valve discharges water off the system at a set pressure in the event of system over pressurisation (high for larger capacity systems) Reliance Valves 100 Series Pressure Relief Valves are made from hot pressed brass and are predominantly used to protect closed-circuit wet heating systems from overpressure. The outlet is one size larger than the inlet to ensure high discharge flow rates. It has a separate seal seating from the diaphragm to give improved scaling resistance and a cover which is made from OT58 brass. Available in a variety of sizes to suit most installations, it also has a pressure range from 2.5 - 5.0 bar, with the response pressure indicated on the twist cap. The valve size is determined by the heat output of the boiler as shown in the maximum heating capacity table. 

Features and benefits: 

- High flow design for larger capacity systems 

- Outlet is one size larger than the inlet for high capacity discharge 

- Provides protection against over pressurisation in wet heating systems 

- Diaphragm design gives improved resistance against scale 

- Cartridge design gives ease of service and replacement without the need to reset the response pressure 

- Set pressure range from 2.5 - 5.0 bar to suit any system requirement 

- High lift design for increased discharge capacity 

- Suitable for heating applications only 

Specification

Size: 1" x 1.1/4"Connections: BSP Female Inlet x BSP Female OutletMaterials: Hot pressed DZR BrassMedium: WaterSet Pressure: 3 BargTemperature: +140 degCProduct Code: PREL100023Notes: WRAS approved

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Berluto DRV678SW Seawater Reducing Valve

Berluto DRV678SW Seawater Reducing Valve

The Berluto DRV678SW Seawater Reducing Valve has been expertly designed for applications involving seawater, making it ideal for use on vessels, oil platforms, and in desalination facilities.

**Specifications**

**Sizes:** 3" (DN80), 4" (DN100), 5" (DN125), 6" (DN150) **Connections:** DN80 flanged PN25; flanged PN16 for sizes DN100 and above **Materials:** Red Bronze Body / Bonnet: Brass up to DN32, then Cast Iron from DN40 **Disk:** Joints & Seals: Diaphragm: NBR; Seals: NBR **Medium:** Seawater **Inlet Pressure (Max):** 16 Barg **Outlet Pressure Range:** 0.5 to 9 Barg **Cv Range:** [Specify the Cv range if available] **Temperature:** Maximum 75°C **Approvals:** PED 97/23/CE category I

**Notes:** (a) Includes built-in gauge ports and integral strainer (b) Minimum pressure drop from inlet to outlet: 1 Barg (c) For precise sizing, please refer to the sizing calculator in the TECHNICAL INFO section of the menu above.

By optimising for seawater applications and highlighting key specifications, this description enhances visibility on search engines while providing potential customers with crucial product details.
Hattersley Fig 669 PN32 Gate Valve

Hattersley Fig 669 PN32 Gate Valve

Features & Benefits: High-quality bronze body with integral seating surfaces, inside screw pattern with rising stem, suitable for pressures up to 32 bar.

Specification: BS EN 12288:2010, rising stem, FOCS 4PMV union bonnet, one-piece wedge, taper threaded BS EN 10226 (ISO 7-1), sizes ≥ 1/2" available with NPT thread (669AT).

Pressure/Temperature Rating: BS EN 12288 PN32 Series B, 14 bar at 260ºC, 32 bar from -10 to 120ºC.

Flowstar UK Ltd

Flowstar (UK) Ltd

Wiltshire Road, Kingston-upon-Hull, East Riding of Yorkshire, HU4 6PA, United Kingdom

Flowstar (UK) Ltd is a leading global supplier of safety, relief, and reducing valves. With strong partnerships across major manufacturers, we deliver precise, reliable valve solutions tailored to your needs. Email enquiries to sales@flowstar.co.uk or call us on +44 (0)1482 601030.