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Description
Roller assembly (620RA)
Roller assembly
(620REA, 620RE4A)
Roller support
Link bar
Rotor body
Rotor arm
Rotor cover
Seal
Spindle roller
Pin pivot
Pin reset
Spindle roller support
Thrust washer
Leaf spring
Lever adjuster
Bearing roller
Circlip
The above materials have been carefully selected and have a well proven track record. However, if there
are any aggressive chemicals present then it is imperative that a risk assessment is conducted. This must
not be limited to just the pumped fluid but should also include any other aggressive fluids in the
intended operating environment.
37
Available spare
part no.
Part of rotor
assembly
Material
Stainless steel 303S31
AlSl440C
Zinc alloy
PPS Fortron
Composition is 91%Forton PPS/9%
bonded 304SS fibre
Composition is 91%Forton PPS/9%
bonded 304SS fibre
Hytrel G5544
Closed cell Neoprene
Stainless steel 303S31
Stainless steel 303S31
Stainless steel 303S31
Stainless steel 303S31
Stainless steel 303S31
Stainless steel 303S31
Stainless steel 316
MOS2 filled Nylon
Carbon spring steel to BS1449, CS80
Finish
PB0347:m-620atex-en-03
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