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Rod clamping with maximum clamping force

Pneumatic Rod Clamping
Holding force 7.000 lbs
Holding torque 140 in-lbs

Immediate clamping in case of loss of pneumatics: suitable for rods with diameters of 20 mm to 40 mm (0.79 to 1.57 in), the clamping elements LOCKED PN absorb the forces axially and rotationally. With holding forces of up to 8,093 lbs. (36,000 N), they reach or exceed the levels of hydraulic clamps, with lower system costs.

Alongside clamping in both directions of motion, the LOCKED-Family PN also surprises with its compact design. They need less installation space and enable short rod lengths. Many users appreciate the modular system. It allows several segments to be stacked so that the necessary clamping force can be attained for every application.
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CAD Drawings


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Pneumatic Rod Clamping


A5.71 inch
B4.33 inch
C1.58 inch
D4.82 inch
E0.12 inch
F0.51 inch
NG1/8 inch

Technical Data

Holding torque 140 in-lbs

Holding force 7.000 lbs

Operating pressure 4 psi

Rod diameter Ø 0.79 in to Ø 1.57 in

Clamping cycles 1,000,000

Mounting In any position

Pneumatic medium Dried, filtered air

Operating temperature range 50 °F to 113 °F


When mounting, use hardened piston rod.

On request

Special designs as for example special diameters and accessories available on request. Also available are versions matching to ISO pneumatic cylinders including base plates coordinated to the dimensions of the flange sizes of standard cylinders according to ISO 15552.

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