SMC's hygienic design cylinders, series HY, offers significantly improved water resistance by adopting a new lubricating construction. The cylinder's flat configuration (grooves for auto switches and holes for cushion needles, etc. have been eliminated) allow the surface to be wiped off easily.
Hygienic design cylinder
Bore sizes (mm): 20, 25, 32, 40, 50, 63
Strokes up to 200mm depending on bore size
New Lubricating construction significantly improves water resistance