In collaboration with Korea Hydro & Nuclear Power (KHNP),
Moojin Keeyeon Co., Ltd. has successfully developed and localized the Single Stud Tensioner (SST)
for reactor head stud bolts,contributing to the independence of nuclear technology.
Additionally, we provide comprehensive bolting solutions,
ranging from the Multi Stud Tensioner (MST) to general industrial Tensioners.

SST (Single Stud Tensioner)

Reactor Head Schematic Diagram

SST Assembly

Upper structure of the Hydraulic Unit

Upper structure of the Hydraulic Unit

Stud Drive Tool

Main Control Unit

Tractor & Hoist

Cart

MST (Multi Stud Tensioner)

Assembly

Supporting Ring

Lifting System

Double Stud Turning Robot (DSTR)

Tensioning Unit & Reaction Nut Turning Device

with DSTR

Local Control Desk

Lifting

Bolt Tensioner

Structure

Accessories

Application Field

Shipbuilding& Offshore

OIL·GAS

Construction & Bridges

Wind Power

Rail & Transport

Steel, Machinery and Robots

Cargo ship, Passenger ship, Offshor Bolt Fastening Part

Engine, Turbine, Pipe, Valve, etc.

Specifications

The dimensions below are standard specifications, but custom orders are also available.
We encourage you to find the optimized solution with our MJ Bolt Tensioner.