A compilation presenting advisable tightening values for bolted connections involving a particular class of pipe becoming is characterised by its stress ranking and doc format. Such a useful resource specifies the suitable rotational drive to use to fasteners to make sure a safe, leak-proof seal inside piping techniques rated to face up to pressures as much as 600 kilos per sq. inch. The data is mostly offered in a desk or graph inside a conveyable doc format.
Correct utility of those values is vital for sustaining the integrity and security of pressurized techniques. Utilizing the right rotational drive prevents each under-tightening, which might result in leaks, and over-tightening, which might injury the flange or fasteners. These charts are sometimes derived from engineering requirements and producer specs and are important for technicians and engineers working with high-pressure piping.