hat
(2) Balanse: valv chèz alantou deyò a nan wotasyon a Pin, tiyo sa yo gen yon mas grès sèl, doub tiyo ak Orange Peel pwen yo, men prensip la se menm bagay la.
eng
(2) Swing: valve seat around the outside of the pin rotation, these valves have a single lobe, double valve and Orange Peel the points, but the principle is the same.