P/EB

The deflagration Deflagration Explosion propagating at subsonic velocity (EN 1127-1:1997). -proof and endurance burning Endurance burning Stabilized burning for an unlimited time. -proof P/EB type PROTEGO® valve is a highly developed pressure relief valve Pressure-relief valve Valve designed to open and relieve excess pressure and to reclose and prevent the further flow of fluid after normal conditions have been restored. with an integrated flame arrester unit Flame arrester unit Flame arrester casing with FLAMEFILTER® set. . It is primarily used as a device Device A device is a pipe component that influences the media flow by opening, closing, or partially shutting off the flow channel or by dividing or mixing the media flow. for flame transmission-proof Flame transmission-proof Characteristic of a device to avoid flashback. out-breathing on tanks, containers, and process equipment Equipment Machines, appliances, fixed or mobile devices, control parts and accessories, and warning and prevention systems, whether separate or combined, intended for the generation, transfer, storage, measurement, control, and conversion of energy, and for the processing of materials, which have their own potential source of ignition and may cause an explosion. . The valve offers reliable protection against overpressure Overpressure Overpressure refers to an increase in pressure in a system or vessel above the normal operating pressure. and prevents product losses almost up to the set pressure, while at the same time protecting against atmospheric deflagration as well as endurance burning. The PROTEGO® flame arrester unit is designed to achieve minimum pressure losses with maximum safety. The PROTEGO® P/EB valve is available for substances in explosion Explosion Abrupt oxidation or decomposition reaction producing an increase in temperature, pressure, or in both simultaneously. group IIA (NEC group D MESG > 0.90 mm).

This feature isensured by the valve seats made of high quality stainless steel and with individually lapped valve pallets (1), or with an air cushion seal Seal A seal prevents or limits unwanted transfer of product from one container to another. Seal is used as superordinate term for all types of sealing elements. (2), in conjunction with a high quality FEP diaphragm Diaphragm A diaphragm is a thin layer of material, which has a large surface area. . The valve pallets are also available with a PTFE seal to prevent them from sticking when sticky substances are used and to enable the use in corrosive fluids. After the overpressure is released, the valve re-seats and provides a tight seal.

The valve can be used at an operating temperature Operating temperature Temperature reached when the equipment is operating under design conditions. of up to +60°C / 140°F and meets the requirements of European tank design standard EN 14015 (Appendix L) and ISO 28300 (API 2000). EU conformity according to the currently valid ATEX directive. Approvals according to other national/international regulations on request.