Altecnic / Caleffi 312 Series Safety Pressure Relief Valve 1/2" M x 15mm 4 Bar - 312405CST

### Product Features & Benefits - **Durable Ductile Iron Construction**: The robust ductile iron valve body ensures longevity and reliable service. - **WRAS Approved**: Certified for use in potable water applications with a temperature range from -10°C to 80°C. - **Versatile Interface**: Semi-lugged valve body designed to fit PN10, PN16, or Class 125 flanges, enhancing compatibility. - **Compact Design**: Integrated notch plate contributes to a more streamlined and compact product design. - **Safety First**: The anti-blowout stem design guarantees secure and safe operation during use. - **Superior Corrosion Resistance**: Fully bonded epoxy paint system delivers exceptional protection against corrosion. - **Medium Corrosion Protection**: Ideal for applications requiring Level 3 C3 (Medium) corrosion protection. - **Maintenance-Free**: Engineered for ease of use, this valve design minimises downtime and eliminates the need for regular maintenance. ### Specifications - **Compliance**: Conforms to BS EN 593, with face-to-face dimensions compliant with BS EN 558. - **Robust Materials**: Ductile iron body featuring an epoxy coating for enhanced durability. - **Centring Holes**: Facilitates easy installation and alignment. - **Quality Components**: Includes an aluminium bronze disc and EPDM liner for longevity and reliability. - **Efficient Operation**: Trigger lever (for smaller sizes) and fully enclosed gear operator (for DN250 and larger) for seamless operation. - **Flange Compatibility**: Suitable for flanges conforming to BS EN 1092-2 PN10, PN16, and ANSI B16.1 Class 125. This valve can also be used for flow regulation. ### Pressure/Temperature Ratings - **WRAS Approved**: PN16 range from -10°C to 80°C. - **Non-WRAS Applications**: PN16 range from -10°C to 100°C. Optimise your water management system with our high-quality ductile iron valve solution, ensuring reliable performance, safety, and longevity.

Valpres figure 703000 Stainless Steel 2 piece ISO direct mount full bore ball valve. With a Stainless Steel ball and stem, P.T.F.E. seats and P.T.F.E. / FKM seals. Fitted with an antistatic stem. ATEX II 2 GD (Zones 1 and 21) approved. End connections screwed BSP female. Valbia 85 series ISO direct mount quarter turn electric actuator. With a Techno-polymer housing. IP67 protection. With manual override and visual position indication. 2 x limit switches fitted for remote open and closed position indication. With an electronic torque limiter. With an internal anti-condensation heater. With PG11 electrical connections. All assembled (Direct Mount) and function tested. 

Specification

Size range: 1” to 3”Valve Options: The valves are available with a V ball for flow control. Operating Voltages: 12 Volt AC/DC - 24 Volt AC/DC – 110/240 Volt ACActuator options: On/Off (Fail fixed), On/Off with Battery back Up (Fail Close or Fail Open), Positioner 4 to 20 mA and 0 to 10 Volt DC signal, Battery Back Up and Positioner (as detailed above). Valbia 86 series actuator with an Aluminium enclosure (all options as above).

**Product Specification** **Sizes Available:** 1/2", 3/4", 1", 1.1/4", 1.1/2", 2" **Connections:** - BSPP male - Cone and nut to DIN 11851 - Flanged DIN or ANSI **Materials Used:** - Stainless Steel (90.2) - Disk: Viton - Joints & Seals: FPM **Medium:** Non-toxic Steam and Gases **Set Pressure:** - Vacuum: -0.01 to -0.9 BarG - Set Pressure: 0.1 to 3 BarG **Temperature Range:** -60 to +150°C (90.2) **Design Certification:** TUV **Important Notes:** Please note that the Brass (90.3) version of this valve is no longer available. --- This detailed product specification is designed to enhance search engine optimisation (SEO) while providing clear and concise information for customers seeking high-quality valves for non-toxic steam and gas applications.