Nabic Fig 568 Vacuum Relief Valves

Nabic Fig 568 Vacuum Relief Valves

Nabic

NABIC is one of the world’s leading manufacturers of safety and pressure relief valves, with a heritage spanning more than 150 years in pressure protection technology. Manufactured in the UK, NABIC valves are trusted across commercial, industrial and process industries for their proven reliability, precision engineering and compliance with internationally recognised standards. Designed to safeguard boilers, pressure vessels and fluid systems, NABIC products deliver dependable overpressure protection and long service life in demanding applications.

Key Information

The NABIC Fig 568 Vacuum Relief Valve is designed to protect hot water storage vessels, calorifiers and closed systems against the damaging effects of vacuum conditions. Automatically opening when system pressure falls below atmospheric pressure, the valve allows air to enter the system, helping to prevent tank collapse and structural damage during draining or cooling. Supplied factory set to 50 mbar, the Fig 568 is manufactured from durable brass and is factory tested to provide dependable long-term protection in commercial and industrial hot water installations.

Features

• Factory Set to 50 mbar – Supplied pre-set and tested to open at 50 mbar vacuum for reliable system protection.
• Vacuum Protection – Automatically admits air to prevent vacuum formation and protect vessels from collapse or deformation.
• Brass Construction – Manufactured from high-quality brass for excellent durability and corrosion resistance.
• Factory Tested – Every valve is tested prior to dispatch to ensure dependable operation.
• Compact BSP Threaded Design – Simple screwed installation into compatible hot water and pressure systems.