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Helical metal spring guards (Centry Covers) made of 1095 polished
blue carbon steel provide long life and maximum protection
of your rods, shafts, and screws from chips and other
destructive elements. An equally important use is as
a safety barrier to seal off pinch points and other hazards
to prevent operator injury.
These helical metal coils surround and protect critical cylindrical
mechanisms with overlapping coils that seal out the contaminants
while wiping away dirt and debris with each thrust. The
spring action holds the unit in place as it expands and
compresses between two parallel surfaces. Simple flanges
may be used to position the cover, which is normally
installed over the end of a rod, shaft or screw assembly.
However, “open wound” models are available
to be wound onto the rod, shaft or screw without the
necessity of partially disassembling the host machine.
(See link to installation guide below) Covers are also
available in stainless steel to address applications
subject to rusting or pitting. Sizes range from Internal
Diameters of 7 to 300mm with extended lengths of up to
4500mm.Over 2,000 custom sizes are available with delivery
normally between 1 and 2 weeks.
A large catalog of Centry Covers are available from stock and may ship within
48 hours.
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X =
ID min., shaft diameter + 8mm or 4mm if no mounting
flanges (pilot and retainer) are used. W =
Extended LengthV = Compressed LengthY =
Stroke, (extended length minus compressed length)Z =
OD (Outside Diameter), maximum allowable area.
Flanges
(required for use over non-vertical shafts)
A = X -
4mm
B = V x .75
C = Z
D = Z + 5mm
E = Z + 12mm
F = X - 5mm
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 Download the Application/Catalog to help you place your order.
 Print the Application/Catalog from your browser
Download Installation Instructions for Open-Wound Centry Cover
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