Injectable packing unit in a single knife gate body

Details Injectable packing unit in a single knife gate body Injectable packing unit in a single knife gate body

2005-11-01

2005-11-01

Look, Edward K. (Department: 3751)

Valves and valve actuation

Mechanical movement actuator

Particularly packed or sealed

C251S327000

Reexamination Certificate

active

06959912

ABSTRACT:
A knife gate valve is provided, comprising: a unitary valve body having a flow channel extending there through, a guide segment and a stuffing box. A knife gate is located in the guide segment, the stuffing box and the flow channel and is slideable between an open and closed position. Lateral seals are provided in the stuffing box and can be replaced while the valve body is connected in its associated fluid system. These seals include an injectable sealing material contained in the stuffing box. A knife gate seat is provided in the valve body for sealing the knife gate and it can be replaced without completely removing the valve body from its associated fluid system.

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