SMC, the world leader in pneumatic technology, has developed the HY series to meet these requirements. All the models in the HY series are particularly suitable for application in the "non-food" or "splash" zones of a production line. Their high quality construction and optional food grease ensure an increased service life. The HYG hygienic design guide series is available with a rail mounted auto switch, which is fully adjustable along the stroke length, providing improved cleaning benefits.