Hattersley Fig 425 PN25 Pressure Reducing Valve

**Specification** - **Size:** 1/2" (DN15) - **Connections:** BSP Female - **Handle Type:** Butterfly Handle - **Materials:** Bronze body, Chrome plated brass ball - **Medium:** Heating, Chilled water, Domestic hot and cold water (not suitable for gas) - **Maximum Pressure:** 25 Barg - **Maximum Temperature:** +110°C - **Product Code:** BVAL103020 - **Notes:** WRAS approved The Reliance Valves (RWC) Bronze Lever Operated Ball Valve, featuring a chrome plated brass ball, is specifically designed for water application. It allows for the isolation of fixtures, appliances, or areas within a building without the need to drain the entire system. With its lever operation, this robust quarter turn bronze ball valve ensures ease of use across various applications. It is suitable for heating, chilled water, as well as hot and cold potable water installations. To promote environmental sustainability and enhance water quality, these valves are provided without cosmetic chrome or nickel plating on the body. ### Features and Benefits: - **Increased Strength and Durability:** The bronze ball valve is specifically engineered for strength, making it ideal for installations in corrosive environments. - **Full Bore Design:** This feature reduces resistance to flow, enhancing performance. - **Versatile Options:** Available in both lever operated and butterfly handle versions to suit different needs. - **FBSP (ISO 7-1) Compatibility:** Designed for use with threaded pipe, it can also be utilized with other piping systems (threaded adapters must be supplied by the piping system manufacturer). Optimise your plumbing system with our reliable Bronze Lever Operated Ball Valve, ensuring efficiency and durability for your water management needs.

Constant pressure valves are automatic regulating devices integral to the oil management systems of screw compressor packages. They ensure that a sufficient minimum differential pressure (for instance, 3 bar, 4 bar, etc.) or oil injection pressure is maintained during both the start-up phase and the operation of the screw compressor.

Product Specification:

• Sizes: 1.1/2" to 6"
• Connections: Flanged & Butt Weld
• Materials: Steel
• Medium: Glycol-based cold brine refrigerant as per EN 378 p. 1, including NH3, R134a, R290 (propane), R507, mixtures with refrigerant oil, as well as neutral gas and liquid media
• Set Pressure: 1 - 25 Barg
• Temperature Range: -20 to +120 °C
• Max Design: (details to be specified)
• Notes: (additional information to be provided)

Optimise your screw compressor performance with our reliable constant pressure valves, designed for durability and efficiency in various applications.

Product Specifications

Sizes Available: 2.1/2", 3", 4"

Connections: Tri-Clamp (ASME BPE or DIN 32676), Male Union (DIN 11851 / 11864-1), Varivent Flange (DIN 11864-2), Flanged PN16 or ANSI 150 R/F, and Screwed to ISO 228.

Materials: Crafted from high-quality Stainless Steel 316L or 304.

Disk Options: Choose from EPDM, PTFE (FDA approved), AF100, or Viton.

Joints & Seals: Diaphragm options include EPDM, PTFE (FDA approved), AF100, or Viton.

Compatible Mediums: Suitable for steam, gases, and liquids.

Set Pressure Range: 0.2 to 13.2 Barg.

CV Range: Specific values available upon request.

Temperature Ratings: Please consult specifications for detailed temperature capabilities.

Approvals: Meets industry standards for safety and reliability.

Additional Notes: For further information or bespoke requirements, please get in touch with us.

Optimise your operations with our robust and versatile products designed for reliability across various industries. Our pressure control solutions are engineered to meet demanding specifications while ensuring compliance with international standards.