SITEMA KFH 18 KFH 60 KFH 140 Equal technology data

This document provides detailed information on the SITEMA KFH series locking units, including locking force, release pressure, working pressure, operating volume, interface dimensions, etc.

SITEMA KFH 18 KFH 60 KFH 140 Equal technology data - cover page
Brand
SITEMA
Document type
Datasheet
Language
English
Pages
4
File format
PDF
File size
278 KB
Published
10 July, 2012
Updated
01 October, 2023
MD5 checksum
B08C48CC7A555AF715A669A93E18C378
PDF
SITEMA KFH 18 KFH 60 KFH 140 Equal technology data PDF

About this manual

This document is a technical data sheet for the SITEMA KFH series of locking units. These devices are designed to clamp shafts in any position using spring force and release hydraulically. They are commonly used on cylinder rods or other round shafts to hold axial forces in both directions without backlash.

What's inside

  • Operational purpose
  • Load direction
  • Choosing the right size
  • T-port function
  • Rod material requirements
  • Pressure fluid specifications
  • Control and safety
  • Operating conditions
  • Regular functional checks
  • Maintenance

Specifications

Holding force basisSpring Force / Hydraulic Releasing
Recommended hydraulic oil standardDIN 51524-2
Rod surface roughness requirementRz = 1 to 4 um
Minimum rod hardnessHRC 56

Frequently asked questions

What is the safety factor for vertically moved masses?

A reasonable safety factor must be applied, which shouldn't be less than 1.5.

How often should functional checks be performed for personal safety applications?

Testing must be carried out at least once every 6 months.

Who is responsible for repairs or refurbishing?

Repairs or refurbishing must be carried out by SITEMA.

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