Boiler and Valve Safety Guidelines

Front

Is it permissible to place a shut off valve between the boiler and safety relief valve if the boiler installation is in the basement?

Back

No, it is not permissible.

Front

What is the purpose of a motorized valve?

Back

To control the flow of steam in a circuit as required by its thermostat.

Front

Are safety relief valves in hot water service more susceptible to damage than valves relieving steam?

Back

Yes, they are more susceptible.

Front

Where should safety valves be installed?

Back

As close as possible to the boiler or pressure vessel.

Front

Is it permissible to install shut off valves between a pressure vessel and relief valves when two relief valves are installed?

Back

Yes, it is permissible to prevent total shut down during replacement or repair.

Front

What is the purpose of seal welding of connections?

Back

To avoid leakage.

Front

Who determines what type of welded joint should be used when fabricating a pipe system?

Back

The engineer.

Front

Can a joint that is seal welded be considered to have more strength?

Back

No, it cannot be considered to have more strength.

Front

What is the purpose of an eccentric reducer in a heating system?

Back

To allow condensate to drain properly, to allow air to move unhindered through a pipe, and to allow complete drainage.

Front

What is required for the support of piping 2 ½ NPS and larger?

Back

They are required to be designed by permit.