PVA. Heavy-duty pneumatic clamps

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Technical specifications

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Main specifications

Material

C10 zinc-plated steel.

Rivets and pins

Zinc-plated steel.

Hexagon-socket head screws with countersink for cylinder support

Black-oxide steel.

Cylinder support bushings

Hardened steel.

Rotating pin and seeger rings

Hardened and ground steel (for sizes ≥200).

Standard executions

  • PVA-AP3: with open clamping lever and two folded washers.
  • PVA-APM: with magnetic cylinder, open clamping lever and two folded washers.
  • PVA-EP3: with solid clamping lever and retainer for welding.
  • PVA-EPM: with magnetic cylinder, solid clamping lever and retainer for welding.

Maximum working pressure

6 bars.

Max working temperature

80°C.

Clamping bolt

To be ordered separately.

General information

Features and applications

All articulated joints are lubricated with special grease.

Functioning principles of PVA. pneumatic clamps are the same as MVA. manual toggle clamps.

Executions PVA-APM and PVA-EPM (with magnetic cylinder), equipped with limit switches type PSW. (to be ordered separately) gives drive and/or control impulses while active.

Using a lubrication filter assembly is necessary for the cylinder to work properly for a long time, whereas flow regulators are recommended to guarantee long life of mechanical components.

Elesa
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