球塞閥
ST-600 球塞閥（小流量）
TOHO Brand Bronze Ball Valve, blow-out proof Stem, 600WOG, Std. port
ST-601 球塞閥（全流量）
TOHO Brand Bronze Ball Valve, blow-out proof Stem, 600WOG, Full port
球塞閥
TOHO Brand Bronze Ball Valve, blow-out proof Stem, 600WOG, Std. port
TOHO Brand Bronze Ball Valve, blow-out proof Stem, 600WOG, Full port