Auld Standfast Reducing Valve

The Besa 139 Safety Valve is an expertly designed full nozzle, threaded safety valve that ensures optimal protection in various applications.

Specifications

Sizes: 1/2", 3/4"

Connections: Screwed BSP (NPT available upon request)

Materials: Stainless Steel (1.4418 or 316)

Disc: Metal (alternative materials available upon request)

Joints & Seals:

Mediums: Suitable for use with water, air, steam, and other neutral liquids, gases, and vapours.

Set Pressure: Ranges from 0.25 to 500 Barg (dependent on size)

Temperature Range: -196 to +300 °C

Design Standards: Compliant with PED, ATEX, GOST, and RINA

Notes: Optional extras include a closed lifting device for added functionality.

This durable Besa 139 Safety Valve is ideal for enhancing safety in industrial systems, providing reliable functionality across a variety of mediums and conditions. Ensure the integrity of your operations with this state-of-the-art safety solution.

**Altecnic / Caleffi 312 Safety Valve - Model 312460CST** The Altecnic / Caleffi 312 Safety Valve (Product Code: 312460CST) is essential for safeguarding domestic hot water systems. This reliable valve is designed to protect hot water cylinders, boilers, and various components in heating systems. Each valve is carefully selected for its required set pressure, ensuring optimal performance. When the system pressure exceeds the preset level, the 312 Safety Valve activates, discharging excess pressure safely into the atmosphere. This critical function helps prevent dangerously high pressure within the system, protecting both the boiler and hot water storage cylinder, as well as ensuring safety for personnel nearby. **Specifications:** - **Size:** 1/2" x 1/2" - **Connections:** BSP Male Inlet x BSP Female Outlet - **Materials:** Brass - **Medium:** Air and Water - **Set Pressure:** 6 Barg - **Discharge Flow Rate:** 248.8 kg/hr - **Maximum Boiler Rating:** 144.6 kW - **Temperature Range:** +5 to +110 °C - **Product Code:** 312460CST - **Certifications:** WRAS approved, CE marked Choose the Altecnic / Caleffi 312 Safety Valve to ensure efficiency, safety, and compliance in your hot water and heating systems. Ideal for both residential and commercial applications, this valve is a critical component for maintaining operational integrity.

Product Specifications

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

Connections: BSPP male, cone and nut to DIN 11851, flanged to DIN or ANSI, threaded to DIN 11851.

Materials: Constructed from high-quality Stainless Steel (91.2). Disk: Viton. Joints & Seals: FPM.

Medium: Suitable for non-toxic steam and gases. Set Pressure: Vacuum range from -0.05 to -0.95 Barg.

Temperature Range: Operates effectively between -60 to +150°C (91.2).

Design Certification: TUV certified.

Important Note: Please be aware that the Brass (91.3) version of this valve has been discontinued.