Flowserve LS-300 Series Durametallic Manual de usuario Pagina 2
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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 system.
• consult plant MSDS les for hazardous material regulations.
1.2 Disassemble equipment to allow access to seal installation area.
1.3 Remove all burrs and sharp edges from the shaft or sleeve including sharp edges
of keyways and threads. Replace worn shaft or sleeve. Make sure the seal housing
bore and face are clean and free of burrs.
1.4 Check requirements for shaft, sleeve and seal housing, see Figure 1.
Seal Chamber Requirements Figure 1
1.5 Check assembly drawing included with the seal for specic seal design, materials
of construction, dimensions, and piping connections.
1.6 Check shaft or sleeve OD, box bore, box depth, and distance to the rst
obstruction to ensure that they are dimensionally the same as shown on the seal
assembly drawing.
1.7 Check gland pilot and bolt holes to ensure they are adaptable to the equipment
and are the same as shown on the assembly drawing. Many cartridge Flowserve
seal designs include centering tabs, eccentric washers, or centering plates that do
not require a gland pilot.
1.8 Handle all seal parts with care, they are manufactured to precise tolerances.
2 Cartridge Flowserve Seal Installation
2.1 Lubricate the shaft or sleeve lightly with silicone lubricant provided with the seal
before installing any seal parts.
2.2 Install the complete cartridge Flowserve seal assembly on the shaft and position
it close to the bearing housing with the seal orientated toward the pump.
To first obstruction
Face of seal housing to be square to the axis
of the shaft to within 0.013 mm per millimeter
(0.0005 inches) of seal chamber bore FIM and
have a √1.6
μm (63 μinch) R finish or better
a
Gland pilot can be at either of these
register locations, concentric to within
0.13 mm (0.005 inch) FIM of shaft or sleeve OD
Sleeve or shaft finish to be
0.8 μm (32 μinch) R or better
a
Scribe
Mark A
Shaft or sleeve OD
+0.000 mm (+0.000 inch)
-0.050 mm (-0.002 inch) ANSI
+0.000 mm (+0.000 inch) API 610/682
-0.025 mm (-0.001 inch) DIN/ISO
• Bearings must be in good condition
• Maximum lateral or axial movement of shaft (end play) = 0.25 mm (0.010 inch) FIM
• Maximum shaft runout at face of seal housing = 0.05 mm (0.002 inch) FIM
• Maximum dynamic shaft deflection at seal housing = 0.05 mm (0.002 inch) FIM
Scribe
Mark B
Seal housing bore to have √3.2
μ
m
(125
μ
inch) R finish or better
a
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.
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