Caleffi 313430 Safety Relief Valve with Pressure Gauge – 1/2" Female x Female, 3 Bar

The Caleffi 313430 is a high-quality 3 bar safety relief valve designed to protect heating, hydraulic, and domestic hot water systems from excessive pressure. Featuring an integrated pressure gauge, it allows quick and easy monitoring of system pressure while providing reliable overpressure protection.

Manufactured from durable, high-quality materials, this valve is suitable for closed heating systems and other pressurised water installations. It features 1/2" female BSP connections on both the inlet and outlet, making installation straightforward in a wide range of applications.

Key Features

• Genuine Caleffi Series 313 safety relief valve

• Factory pressure setting: 3 bar

• Integrated pressure gauge for easy pressure monitoring

• 1/2" female x female (G 1/2" ISO 228-1) threaded connections

• Nominal pressure: PN10

• Operating temperature range: 5°C to 90°C

• Reliable protection against overpressure in heating and hydraulic systems

• High-quality brass construction for long service life

• Easy to install and maintain

Technical Specifications

• Manufacturer: Caleffi

• Part Number: 313430

• Series: 313

• Valve Type: Safety relief valve with pressure gauge

• Pressure Setting: 3 bar

• Connections: G 1/2" Female x Female (ISO 228-1)

• Nominal Pressure: PN10

• Operating Temperature: 5°C to 90°C

The Caleffi 313430 provides dependable system protection by automatically releasing excess pressure when the preset limit is exceeded, helping to safeguard boilers, heating components, and pipework while maintaining safe system operation.