Single and Multi stage hydraulic bolt tensioners from PLARAD

• Ideal for precise bolt load without torsional forces an the bolt
• No influence by friction
• Universally applicable by standardised components
• Adjustable bolt load and elongation
• Over-stroke prevention
• Using tie rod plus threaded adapter or threaded bush
• Separate bridge
• Bolt load from 200 kN up to 15,000 kN
• Single pressure chamber or twin pressure chamber (three or four on special request)
• Maximum safety even under highest pressures Relief from physical labour

Advantages
PLARAD bolt tensioners can be operated from motor driven pump either electric or pneumatic or from hand lever pumps. Universal application in many industries as:
Tower crane assembly, turbine assembly, power generator assembly, on pressure vessels and pumps. Other applications: heat exchangers, reactors, (ship) engines and gears, pipe
flanges, foundation bolts, rolling stands.