Are these ball valves OK for Natural Gas?

I’ve seen ball valves on gas lines, but the handle is round and either blue or red. I’ve seen these types of ball valves (attached) usually used for water lines. Are these ball valves OK for Natural Gas supply piping?

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Never mind, I just saw the WOG (Water or Gas) stamp on the enlarged photo. These are OK for Natural Gas.

CGA 3.16 is - Lever Operated Non-Lubricated Gas Shut-Off Valves