Gas pressure relief valve ULTRAVENT

DINregulatingfor tanks

With ULTRAVENT, WITT offers a groundbreaking series of mechanical millibar valves for gases. Designed for pressure ranges from 5 to 500 mbar, these precision-engineered devices deliver maximum control and reliability – whether for protecting systems, ensuring stable processes, or integrating into OEM equipment. ULTRAVENT valves stand out through their unique versatility: They can function as safety valves, pressure control valves, back pressure regulators, vacuum breakers, pressure relief valves, breather valves, blow-off valves – and even as a reusable alternative to burst discs. With unique opening and closing behavior in accordance with DIN EN ISO 4126-1 and TÜV-certified for safety and performance, these compact valves are ideal for demanding gas applications across many industries. - from 5 to 500 mbar - and maintenance-friendly design - due to optimized internal geometry - with high-quality elastomer seals - (100–500 mbar) according to EN ISO 4126-1 - Tested and proven over 100,000 cycles - available for OEM applications - Available in various seal materials (including FDA-approved versions) In critical gas systems, exceeding a defined pressure can pose serious safety risks. ULTRAVENT valves serve as dependable safety devices: They open immediately when the set pressure is exceeded and reseal tightly once the pressure normalizes. With over 100,000 test cycles, these spring-loaded valves deliver long-term performance and peace of mind – backed by individual TÜV certification. Whether in storage tanks, pipelines, or process vessels – ULTRAVENT valves provide targeted venting to protect against unintended overpressure. Their compact size and high flow capacity make them ideal for decentralized protection points in complex systems. For processes sensitive to pressure fluctuations, ULTRAVENT valves can act as regulating valves, keeping the pressure at a defined and stable level. As fully mechanical solutions, they offer high reliability without requiring external energy sources – a perfect fit for OEM integration. Negative pressure in tanks or piping can cause structural damage or process disturbances. ULTRAVENT vacuum breakers open at a precisely defined vacuum level, allowing ambient air or gas to enter and restore safe internal pressure. In systems with pumps or compressors, ULTRAVENT valves can function as bypass or pressure-holding valves to protect against pressure surges or to maintain upstream pressure levels. Their fast response and adaptability ensure consistent flow behavior in dynamic processes. Sensitive instruments, measuring cells, or membranes can be damaged by even minor pressure spikes. ULTRAVENT valves safeguard these components by relieving pressure at just the right moment – with minimal leakage and precise resealing after each cycle. When containers or systems need to be safely vented or aerated, ULTRAVENT valves provide a reliable path for gas entry or release. Their compact form factor and range of seal options make them suitable for both inert and reactive gases. Unlike bursting discs, which must be replaced after each operation, ULTRAVENT valves reset automatically after actuation. They offer a reusable, tamper-resistant, and certifiable alternative for overpressure protection – with the added benefit of much finer control over opening pressures. The ULTRAVENT family is designed for a wide range of industrial gas applications. Whether in 3D metal printers, offshore wind turbines, bioreactors, gloveboxes, thermal processing systems, laser technology or ventilators and other medical technology applications - ULTRAVENT makes the smallest pressure ranges controllable and reliably protects sensitive processes and systems. The valves can even be used in high-temperature applications such as hydrogen electrolysers. Whether you're an end-user seeking greater safety and control or an OEM looking to integrate advanced gas valve technology into your products – the ULTRAVENT series from WITT delivers performance, flexibility, and reliability. Available in various connection sizes, these valves represent a new benchmark for pressure management in the millibar range.