Safety Products
Basic Types
TYPESHolding force NHolding torque NmOperating pressure bar
PRK63-20-4B70074
PRK63-20-6B1,000106
PRK80-25-4B1,050124
PRK80-25-6B1,500176
PRK125-40-4B3,500704
PRK125-40-6B5,0001006

PRK

Rod clamping with maximum clamping force in a compact size

Pneumatic Rod Clamping, Compact
Holding forces 700 N to 5,000 N
Holding torques 7 Nm to 100 Nm

Compact and safe: when space becomes restricted, the compact LOCKED PRK clamping elements come into their own. As pneumatic rod clamping with low heights of 28 mm to 34 mm, they provide clamping forces of up to 5,000 N.

Clamping is carried out by a diaphragm spring-plate system and is released when compressed air is applied. Clamping elements from the LOCKED PRK product family absorb the forces on rods with diameters between 20 mm and 40 mm both axially and rotationally. The function makes them suitable for use as static clamping without pressure, because the failure or drop of pneumatic pressure triggers immediate clamping. High clamping forces with low system costs compared with hydraulic and electric solutions make these clamping elements particularly interesting.

LOCKED PRK models are used in mechanical engineering and customised machine tools.
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Technical data

Holding torque 7 Nm to 100 Nm

Holding force 700 N to 5,000 N

Rod diameter Ø 20 mm to 40 mm

Clamping cycles 1,000,000

Mounting in any position

Material Outer body: tool steel

Pneumatic medium dried, filtered air

Operating temperature range 10 °C to 45 °C

Application field jacking systems, light presses, punching/stamping machines, stacking units

Note

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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