14 CFR § 125.133 - Fuel valves.

§ 125.133 Fuel valves.

Each fuel valve must -

(a) Comply with § 125.155;

(b) Have positive stops or suitable index provisions in the “on” and “off” positions; and

(c) Be supported so that loads resulting from its operation or from accelerated flight conditions are not transmitted to the lines connected to the valve.