Hattersley Fig 3047 PN25 Swing Check Valve

The BESA 131 Safety Relief Valve offers a robust and versatile solution suitable for water, steam, and neutral non-viscous liquids. Crafted from durable materials including cast iron, carbon steel, or stainless steel, this valve features flanged PN16 or ANSI 150 connections and a metal seat (with alternative materials available upon request) to ensure reliable performance. With an extensive range of sizes and set pressures available, this safety relief valve is ideal for various industrial applications, providing safety and efficiency in system operations.

**Specification**

**Sizes:** 1/2", 3/4", 1", 1 1/4", 1 1/2", 2", 2 1/2", 3", 4" **Connections:** Flanged ANSI 150 or PN16 **Materials:** Cast Iron (G250), Carbon Steel (ASTM A216 WCB) or Stainless Steel (ASTM A351 CF8M) **Disk:** Metal (other materials available upon request) **Joints & Seals:** **Medium:** Water, Air, Steam, other neutral liquids, gases, and vapours **Set Pressure:** 0.2 to 40 BarG (depending on size and flange rating) **Temperature:** Please contact us for temperature limitations on this valve **Design:** PED, ATEX, GOST, RINA **Notes:** Head Type: Gas-tight cap. Open lever and closed lever options are available.

Invest in the BESA 131 Safety Relief Valve for dependable safety and performance in your industrial systems.

**Reliance RWC FBSP Bronze Gate Valve with Lockshield Operation** The Reliance RWC FBSP Bronze Gate Valve with Lockshield Operation is expertly designed to isolate the water supply to fixtures, appliances, or specific areas within a building. Its unique lockshield feature prevents unauthorised operation, ensuring optimal control over water flow. Ideal for various water applications, this valve allows for the efficient isolation of systems without the need to drain the entire plumbing network. The bronze body of this lockshield operated gate valve guarantees superior strength and durability, making it highly suitable for commercial and industrial use. It is compatible with heating, chilled water, and both hot and cold potable water systems, operating efficiently under pressures of up to PN20 and temperatures ranging from -10°C to +170°C. ### Features and Benefits: - **User-Friendly Design**: The simple operation of the gate valve, combined with the lockshield mechanism, prevents unauthorised opening or closing. - **Robust Construction**: Crafted from high-quality bronze, this valve ensures a long-lasting and reliable service life. - **Non-Rising Blow-Out Proof Stem**: Enhances safety and reliability during operation. - **Versatile Applications**: Suitable for both commercial and industrial applications, including heating, chilled water, and potable water systems. - **Pressure and Temperature Resistance**: Operates effectively under a maximum pressure of 20 bar (16 Barg at 110°C) and within a temperature range of -10°C to +170°C. - **Tapered Thread Compatibility**: Features a tapered thread F/F in accordance with BS EN 10226-2 (ISO 7-1), ensuring compatibility with threaded pipe systems and easy integration with various piping systems through the use of threaded adapters where necessary. ### Specifications: - **Size**: 1/2" (DN15) - **Connections**: BSP Female - **Handle Type**: Lockshield operated - **Materials**: Bronze body and gate, DZR brass stem, PTFE seal, brass lockshield - **Medium**: Suitable for heating, chilled water, and domestic hot and cold water (not for gas) - **Maximum Pressure**: 16 Barg - **Maximum Temperature**: +110°C - **Product Code**: GATE110020 - **Additional Note**: WRAS approved for safety and quality assurance. Enhance the efficiency and safety of your water systems with the Reliance RWC FBSP Bronze Gate Valve, engineered for reliability and performance in demanding environments.

**Stainless Steel Expansion Vessel for Heating Applications** Introducing the Reliance Valves Aquasystem Heating Expansion Vessels, crafted from high-quality stainless steel. Our vessels cater to a wide range of heating applications, with capacities available from 2 litres to an impressive 5000 litres. These vessels can withstand maximum pressures ranging from 8.0 to 10.0 bar. Designed with replaceable membranes, the Aquasystem series allows for in-situ servicing, ensuring that the internal steel shell remains free from water contact. This innovative design helps prevent internal corrosion, significantly extending the lifespan of the vessel. **Features and Benefits:** - **Corrosion-Resistant Design**: The stainless steel bolted flange offers superior protection against corrosion. - **Noise Reduction**: The extra-wide membrane opening mitigates noise that can arise from restricted water flow. - **Durable Internal Membrane**: Ensures no water contact with the steel shell, effectively halting internal corrosion. - **Versatile Capacity Range**: Available in sizes from 2 to 5000 litres, making it suitable for various heating applications. - **Serviceable in Situ**: Each unit comes with a replaceable membrane, allowing for maintenance without the need to remove the vessel. - **Convenient Pre-Charge Valve**: Easily top up air pressure as needed. - **Application-Specific**: Designed exclusively for heating applications. **Specifications:** - **Capacity**: 35 Litres - **Colour**: Red - **Pre-Set Pressure (Bar)**: 1.5 - **Maximum Pressure (Bar)**: Up to 500 Litres - 8.0 bar; 750 Litres and above - 10.0 bar - **Minimum Temperature**: -10°C - **Maximum Temperature**: 99°C - **Height**: 440mm - **Diameter**: 365mm - **Water Connection**: 3/4" MBSP **Product Code**: XVES100070 **Materials**: - Shell: Epoxy Coated Steel - Membrane: EPDM - Bolted Flange: Galvanised Steel **Standards and Approvals**: - CE marked in accordance with Directive PED 97/23/CE - TUV Certified Enhance your heating system's efficiency and lifespan with the Reliance Valves Aquasystem Heating Expansion Vessel. Ideal for both commercial and residential use, our robust and reliable expansion vessels are engineered to meet your heating needs.