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TYPES ASD, CSD & ESD – DOUBLE ENDED
INTEGRAL SQUARE HEAD:
TYPES AS, CS & ES
TYPES ASD, CSD & ESD
Units incorporate the use of square heads, thus
eliminating the need for separate Foot Mounts.
Bore Sizes Available: 7/8”, 1-1/8”, 1-1/2” & 2”.
NOTE: Due to piston construction, 3/32” of stroke is lost on Type ASD 1-1/2” and 2” bore sizes.

TANDEM:
TYPE: ET SINGLE ENDED
TYPE: ETD DOUBLE ENDED
The basic construction of these Cylinders is identical to Type “E” and feature
two Cylinders in tandem having two pistons mounted on one common rod.
Pneumatic operation with hydraulic control can be obtained by operating the
rear Cylinder pneumatically and filling the front Cylinder with oil and piping its
ports in series using a flow control valve. The output force of a single Cylinder
can be almost doubled using a Tandem Cylinder and piping both rear ports
together and both front ports together, which will apply the working pressure to
both Cylinders at the same time. This is particularly useful when space
limitations preclude the use of large bore Cylinders, and the force required is
greater than that supplied by smaller bore units.
Bore Sizes Available: 1-1/2″, 2″, 2-1/2″, 3″ & 4”.
Maximum Stroke Available:
Type “ET” : 60”.
Type “ETD” : 40”.

NON-ROTATING:
TYPE: AR, ARD
The Piston Rod Assembly of conventional double acting air and hydraulic
cylinder will rotate a few degrees with each operation of the cylinder. Where this
is objectionable and where the piston rod cannot be guided externally, A
NON-ROTATING CYLINDER should be used.
ALLENAIR TYPES “AR” and “ARD” CYLINDERS are built with two (2) guide rods extending between cylinder heads and thru piston guide rod bearings. This prevents piston rod rotation completely. Service life of these cylinders is excellent, in no way different from our conventional construction. All other construction features are the same as our standard cylinders.
BORE SIZES: 2″, 3″ and 4″ STROKES: Same as for other Allenair Cylinders up to 20″ Maximum.


BC…………………. BU…………………. HTP……………….. IB………………….. OS…………………. RG…………………. | Cushion Both Ends Brass Tube High Temperature (Viton) Seals AB Accessory Pin installed in both ends Oversized Rod Outboard Rod Guide installed |
NOTE: When ordering
back-to-back and three
position cylinders, options must
be specified for each cylinder.
All mounts are ordered
separately.