Hattersley 971G PN16 Butterfly Valve - Gearbox Operated

Product Specification

Sizes Available: 1/2" (DN15), 3/4" (DN20), 1" (DN25), 1.1/4" (DN32), 1.1/2" (DN40), and 2" (DN50).
Connections: Female BSP Inlet x Female BSP Outlet.
Materials: Constructed from high-quality Stainless Steel.
Disk and Joints & Seals: Featuring a durable Diaphragm & Seals made from FPM / FKM.
Suitable Mediums: Ideal for aggressive water, other reactive liquids, compressed air, nitrogen, and gases. Please note that this product is not suitable for steam.
Maximum Inlet Pressure: 25 Barg.
Outlet Pressure Range: 0.5 to 9 Barg.
Cv Range: Variable for optimal performance.
Maximum Temperature: 190°C.
Certifications: Complies with PED 97/23/EC category I standards.
Additional Notes: A helpful sizing calculator is available in the TECHNICAL INFO section in the menu above.

For superior performance and reliability in handling aggressive fluids and gases, our stainless steel connections are your ideal choice. Explore our range now to find the perfect fit for your application!

### Product Specification **Size Options:** - 3/4" x 1.1/2" - 1" x 1.1/2" - 1.1/4" x 1.1/2" - 1.1/2" x 1.1/2" **Connections:** - Screwed BSPP or NPT **Materials:** - **Nozzle:** Stainless Steel - **Spring Bonnet:** S.G. Iron - **Disk:** Available in Metal, Viton, or Nylon (material selection depends on pressure requirements) - **Joints & Seals:** NBR, FPM, EPDM (varies by model) **Head Type:** - Type C (Gas tight cap) **Medium Compatibility:** - Suitable for Steam, Gases, and Liquids **Set Pressure Range:** - 0.05 to 130 Barg (varies by size) **Temperature Range:** - From -10 to 280 degrees Celsius **Design Certification:** - TUV Approved **Additional Information:** - We offer an array of variants (please refer to downloads) with options for different (a) O-ring and disc materials, (b) NPT connections, (c) orifice sizes, and (d) head types. For further details or specific requirements, please do not hesitate to contact us. Ensure you choose the right size and material to meet your operational specifications and enjoy reliable performance across various mediums.

**NABIC 500L Pressure Relief Valves**: Ensuring Pressure Tightness and Reliability NABIC 500L Pressure Relief Valves are expertly designed for applications requiring pressure tightness on the discharge side of the valve. These valves are ideal for pump relief, bypass relief, external installations, and handling flammable fluids. With an industry-leading **5 Year Guarantee**, NABIC Valves offer a dependable solution for your pressure regulation needs. **Product Specifications** - **Sizes**: - 1/2" x 3/4" (DN15) - 3/4" x 1" (DN20) - 1" x 1.1/4" (DN25) - 1.1/4" x 1.1/2" (DN32) - 1.1/2" x 2" (DN40) - 2" x 2.1/2" (DN50) - 2.1/2" x 3" (DN65) - **Connections**: Female BSPP Inlet x Female BSPP Outlet - **Materials**: - Gunmetal Body - Chrome Vanadium Spring - PTFE to Metal Seating - **Set Pressure**: - 1.0 to 12.5 Barg (DN15 to DN25) - 0.4 to 12.5 Barg (DN32 to DN65) - **Temperature Range**: -20°C to 195°C Max **Note**: Each valve is individually set and thoroughly tested to the required set pressure prior to dispatch. For reliable pressure relief solutions that comply with UK standards and regulations, choose NABIC 500L Pressure Relief Valves. Ensure your systems are protected with our exceptional products supported by a robust guarantee.