Our process are designed with encloses back of causing and contains stuffing box chamber. The Cover is fastened to frame or adopter so that a spare back pull-out assembly cab be stocked completely assembled. Cover can be supplied with jacket for cooling stuffing box chamber in high temperature servieces. Jacket can also be used for heating viscous or high freezing point liquids. Packed box has five rings of packing and a lantern ring. Quench gland with water tapes and an auxiliary ring of packing is standard. Gland is split for easy removal. Tapped openings to lantern ring permit “in” and “out” sealing. external flushing or lubrication as required. Stuffing box is completely machined for mechanical seal installation, either Originally or as a field conversion. Inside, Outside, Unbalanced, balanced, single, double or tandem seals with any required gland, throat bushing, throttle bushing and flushing lines furnished to meet individuals sealing problems. Gland completely confines stationary mating ring gasket.