§ 42-12. Valves.

Latest version.

A.
Readily accessible valves shall be provided near each burner and also close to the auxiliary tank in the line to the burner.

B.
Control valves shall be of approved type provided with stuffing box of liberal size, containing a removable cupped gland designed to compress the packing against the valve stem and arranged so as to facilitate removal. Valves shall be designed to close against the supply and to prevent withdrawal of the stem by continued operation of the hand wheel. The use of packing affected by oil or heat is prohibited.

C.
A check valve shall be provided in the discharge line as near the tank as possible.

                    
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