Mechanical seals, NIPPON PILLAR PACKING Co.,Ltd.

The dry contact seal for containment seal may be used as a seal unit in substitute for tandem seal.
Since the seal ring is grooved for reduction of load and is impregnated with special lubricant, it can assure the stabilized sealing performance for a long time.

---

■Features

◆Environment friendly seal unit
The seal unit is an environment friendly seal unit which will not allow a small amount of leak from primary seal to be diffused in the atmosphere.

◆Seal system requiring no reservoir
Since the seal unit requires no reservoir, it can save the space and reduce the cost.

◆Long-time dry sliding realized
Since the seal ring is grooved for reduction of load and is impregnated with special lubricant, it is applicable to the dry sliding for a long time.

◆Space-saving/static type cartridge seal
Even when the seal is modified from single seal, it can be mounted without modifying the stuffing box of pump in almost all cases.

---

■Application

◆Each process pump