Hattersley Fig 973W PN16 Double Regulating Valve

**Product Specification** **Sizes Available:** 1/2", 3/4", 1", 1 1/4", 1 1/2", 2", 2 1/2", 3", 4" **Connections:** Flanged DIN or ANSI **Head Type:** C (Gas Tight Cap) **Materials Used:** - SG Iron for sizes up to 1" (Model 30.1) - Carbon Steel for sizes from 1 1/4" to 4" (Model 30.1) **Disk Options:** Metal, Viton or Nylon (depending on pressure requirements) **Joints & Seals:** NBR, FPM, EPDM (model-dependent) **Suitable Mediums:** Steam, Gases, and Liquids **Set Pressure Range:** 0.05 to 40 Barg (utilising multiple springs) **Temperature Specifications:** - Model 30.1: -10 to 280°C - Model 30.2: -60 to +280°C - Model 30.7: -200 to +280°C **Design Certification:** TUV **Notes:** The temperature range is applicable for valves equipped with a metal disk. For models 30.1 and 30.2, the temperature specifications may vary based on body size. Optimise your systems with our versatile and reliable valves, crafted to meet the highest standards for pressure and temperature applications. Perfect for a variety of industries, including manufacturing and energy, our products ensure safety and performance in steam, gas, and liquid environments. Explore our comprehensive range today!

Product Specifications

Sizes Available: 1/2", 3/4", 1", 1.1/4", 1.1/2", 2", 2.1/2", 3", and 4"

Connections: Flanged DIN or ANSI

Materials: Constructed from stainless steel grades 316 or 304

Disk Options: Available in EPDM, PTFE, AF100, or Viton

Joints & Seals: Diaphragm available in EPDM, PTFE, AF100, or Viton

Compatible Mediums: Suitable for steam, gases, and liquids

Set Pressure Range: 0.35 to 62 Barg (varies by size)

Flow Coefficient (Cv) Range: [Insert Cv details as needed]

Temperature Range: [Insert temperature details as needed]

Certifications: [Insert any relevant approvals or certifications]

Additional Notes: This model is the flanged variant of the Niezgodka Type 80, ensuring optimal performance and reliability.

Discover high-quality flanged pressure relief solutions designed for various applications, including steam, gases, and liquids. With a range of sizes and materials, our products meet rigorous industry standards for safety and efficiency.

**Altecnic / Caleffi Relief Valve - Nut Inlet - F0000242** The Altecnic / Caleffi Relief Valve (Nut Inlet - F0000242) is an essential component for both domestic hot water systems and heating applications. Designed to safeguard your hot water cylinder and boiler, this reliable relief valve prevents dangerous pressure build-up within the system. When the pressure exceeds the predetermined set limit, the valve automatically opens, discharging excess pressure to the atmosphere. This action ensures the safety of the boiler, hot water storage cylinder, and protects personnel in the area. **Specification:** - **Connections:** Loose Nut Inlet - **Materials:** Brass - **Set Pressure:** 4.5 Barg - **Product Code:** F0000242 - **Notes:** Compatible with MK2 Caleffi Multibloc Ensure your heating systems operate safely and efficiently with the Altecnic / Caleffi Relief Valve. Perfect for domestic installations, this durable relief valve is engineered for optimal performance and to provide peace of mind.