A lifting aid is a component of a valve pallet that influences the opening and closing behavior of a valve.
Flame arrester Device fitted to the opening of an enclosure, or to the connecting pipe work of a system of enclosures, and whose intended function is to allow flow but prevent the transmission of a flame. The purpose is to ensure that the valve pallet Valve pallet Valve pallet is the generic term for the assembly that rests on the valve seat. releases as large a flow cross-section as possible after a small increase in pressure.