GAS VALVE

摘要

PURPOSE: Two fire position are determined to make position change easy, and manufacturing cost are lowered with a simpler structure. CONSTITUTION: A gas valve comprises a valve casing having and inner passage(11), a gas introducing portion, and a flow adjusting valve(4). The flow adjusting valve comprises a fixing disk(42) having four first connecting holes, and a rotating disk(43) having a second connecting holes corresponding to the first connecting holes. The four first connecting holes are composed of two holes to make flow much and two holes to make flow less. A driving member rotates the rotation disk to adjust gas flow.