15HP 止回閥 1½" 鳳梨頭
10HP 止回閥 1½" X 1"
10HP 止回閥 1¼" X 1"
7½HP 止回閥 1½" X ⅞"
7½HP 止回閥 1¼" X ⅞"
5HP 止回閥 ¾"
2HP 止回閥 ½"
5HP~10HP 1"X1" SW牙
5HP~10HP 1"X1" FS牙