Flowserve 80 Series Five Star Seal - Manual (Page 2)

Description
The 84/85 seals are cartridge mounted mechanical seals, designed for
ease of installation and reliable operation. No seal setting dimensions
are required. Rotatable setting devices provide proper alignment. The
flexible stationary face design compensates for inadvertent misalignment
of the seal chamber face. Multiple springs provide uniform face loading
and are external of the pumpage, resisting clogging or hang-up. Installa-
tion according to the following steps will assure long trouble free life of
the 84/85 seals.
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 gland 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 O-ring or gland gasket. See
Figures 1 & 2. Replace worn shaft or sleeve if it is worn in the
sleeve gasket area. Remove sharp edges from keyways and
threads.
1.5 Check equipment dimensions to ensure that they are within the
dimensions shown in Figures 1 and 2. Critical dimensions include
shaft or sleeve OD (A), a chamber depth of at least dimension (G),
minimum and maximum seal housing bore (C), and the minimum
distance to the first obstruction (K). See Figure 2.
2
The images of parts shown in these instructions may differ visually from the actual
parts due to manufacturing processes that do not affect the part function or quality.