Flowserve GCX Series - Manual (Page 2)

2
Description
The GCX seal is a cartridge mounted mechanical seal, designed for ease
of installation and reliable operation. No seal setting dimensions are
required. Removable centering tabs provide proper alignment. The GCX
seal is designed for harsh chemical environments where conventional
O-ring based seal designs are unsuccessful. Graphite secondary seals
are used to provide nearly universal chemical compatibility towards
aggressive chemicals. The stationary bellows configuration allows the
seal to compensate for inadvertent misalignment of the seal chamber
face, and helps to prevent clogging and hang-up of the bellows on the
atmospheric side of the seal.
Installation according to the following steps will assure long trouble free
life of the seal.
1 Equipment Check
1.1 Follow plant safety regulations prior to equipment disassembly:
• lock out motor and valves.
• wear designated personal safety equipment.
• relieve any pressure in the system.
• consult plant MSDS files for hazardous material regulations.
1.2 Disassemble equipment in accordance with equipment
manufacturer’s instructions to allow access to seal installation area.
1.3 Remove existing mechanical seal and bushing or compression
packing and packing gland.
1.4 Make sure the shaft or sleeve and the seal housing face are
clean and free of burrs, cuts, dents, or corrosion that might cause
leakage past the sleeve gasket or gland gasket. Replace worn
shaft or sleeve. Remove sharp edges from keyways and threads.