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Medium Temperature Range

SUPERBOLT® Turbine Tensioners

Medium Temperature Range

General Description

SUPERBOLT® Turbine Tensioners of the H650T series are used where space is limited and the temperature elevated. They replace standard cap nuts and do not require more space than same.

They offer the advantages of multi jackbolt tensioners: simple tightening and loosening and high safety against loss of pre-tension.

Split line on turbines, engines, pumps, compressors, etc.

Available upon request:

inch threads (UN and Whit)
D > M160
other sizes and specials
anti-corrosion protection
special materials
matierial certifications
higher pre-loads at temperatures below 350 °C
Type approval: American Bureau of Shipping


Technical data

material alloy steel
temperatures –10 to +350 °C  
H650T…: jackbolts lubricated with Molykote® P37
H650TX…: jackbolts lubricated with JL-M
nominal values valid for permanent bolting applications, incl. reaction forces