The Model 102 ensures protection against damage through over-pressurization, implosion due to vacuum conditions, and prevents any external flame entering the tank. The vent performs as an inhaler under pressure or as a discharger of overpressure. When air pressure exceeds the
reset setting of pressure vacuum vent, the pallet opens, departs the seal, and expels any excessive negative or positive pressure. They are commonly mounted to a flange or pipe, which connects the vapor space of a storage tank. Dependent upon specific requirements, the vents can be applied to desired specifications allowing the pallet assemblies to open when specific pressure and vacuum levels are reached.
Several features are inherent in the valve design to ensure a smooth, positive and effective operation. The body is self-draining and drip rings prevent condensate from settling on seating surfaces. A diaphragm and seal manufactured from Teflon reduce the possibility of ice formation and sticky residues hindering the valve from opening, while the pallet assembly moves freely on guideposts. The outlet port is protected by a weather hood and mesh guard to prevent ingress of debris that might obstruct the opening, while a mesh filter screen in the vacuum inlet port performs the same function.
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Purple Engineering is an Australian based company and we have a wide range of equipment for Onshore & Offshore Pipeline, Oil & Gas and Power Generation industries. Please Email us the spec of the item you rquire & we will confirm the availability.