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Allenair offers several options for their
cylinders. Cushions are
available for the front or rear head or both. Other options include oversized rods, rod wipers, high temperature seals, double rod packings, stainless steel
retaining rings, hollow rods, fail safes, or cylinders with no tail. Polyurethane bumpers, magnetic pistons, reed switches, and hall effect switches are
also available.
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Double Rod
Packing |
Specify -DRP |
This option gives you two sets of rod seals in the "A" type
cylinders except in the 7/8" and 1-1/8" bore sizes. |
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Fail Safe |
Specify -FS |
Uses a spring on the rod end to ensure retraction should there be an air
failure. Dimensions are the same as the Single Acting Cylinder. |
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High
Temperature Seals |
Specify -HTP |
This option gives you Viton® seals with a temperature range of +100F
to +3500F. |
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Hollow Rods |
Specify -M |
This option gives you a hole thru the rod for strokes under 12 inches.
| Rod Dia. |
3/8" |
1/2" |
5/8" |
3/4" |
1" |
1-1/4" |
| Hole Size |
3/16" |
1/4" |
5/16" |
7/16" |
9/16" |
5/8" |
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| No Tail |
Specify -NT |
This option removes the tail from the rear of the cylinder. |
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Oversized Rod |
Specify -OS |
This option gives you a larger diameter rod for column loading. This
is not available for Type ETD-1-1/2" bore cylinders.
| Bore |
7/8" |
1-1/8" |
1-1/2" |
2" |
2-1/2" |
3" |
4" |
| Rod Dia. |
n/a |
1/2" |
5/8" |
3/4" |
1" |
1" |
1-1/4" |
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Stainless
Steel Retaining Ring |
Specify -Q |
This gives you a 303 Stainless Steel Ring |
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Magnet on
Piston |
Specify -RM |
This option is used with Hall Effect or Reed Switches |
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Rod Wiper |
Specify -WR |
This option gives you a Teflon® wiper to replace the standard leather
back-up ring. |
| Polyurethane
Bumpers |
Specify |
-PUBF -PUBR -PUBB |
This option gives you a 1/2" polyurethane bumper press fit between
the head and the piston to reduce shock and noise. The bumper can be insalled in the
Front, Rear, or Both ends, however it
is not available for 4" bore cylinders, spring return cylinders and cylinders with an
accessory pin or bleeder valve. Adds 1/2" length to stroke for each bumper. |
| Cushions |
Specify |
-FC -RC -BC |
This option gives you an adjusting screw which uses air to cushion the
last 1/2" of stroke in the Front, Rear, or on Both
ends of the cylinder. |
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Hall Effect
Switches |
Specify - RM |
Designed for the "E" series 1 1/8 thru 4" bore cylinders.
Includes an LED indicator, 9 foot hook up cable, and mounting bracket. The
mounting strap must be purchased separately. |
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Reed Switches |
Specify - RM |
Designed for the "E" series 1 1/8 thru 4" bore cylinders.
Includes a 9 foot hook up cable. Models R02, R04, & R05 have an LED
indicator while models R02, R03, R04, & R05 have MOV surge suppression. The
mounting strap must be purchased separately. |
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