QAT620黃銅外直嘴測壓球閥
QAT630黃銅內直嘴測壓球閥
QAT730黃銅可測壓外直嘴球閥
QXT5021-GGD01黃銅內外螺紋可測壓球閥
QXT7021-GGD01黃銅內外螺紋測壓球閥
QXT7022-GRD01黃銅外螺紋測壓球閥