Main safety-valves

TU U28.1-39930604-004:2016. Analog ROU, ChZEM

Main safety-valves enter in the complect of the impulsively-preventive devices intended for providing of reliable defence of steam generator and steam wires from an increase in them of pressure higher than possible.

Impermeability of breech-block - on a class A GOST 9544-2015.
Direction of serve of environment - on a pointer on a corps.
Tacking of valves to the pipeline - under welding and flanged connection.
Adjusting position - with the location of axis of plug-forming organ strictly apeak in the most high part of the protected object.
Climatic execution - U, UHL, T for GOST 15150-69.