Pneumatic lockout valve meets global standards for energy isolation, availabe in Sizes 1/4" - 2" port sizes. Easily identified by yellow body with red handle. Lockable in the OFF position. Large exhaust port exceeds inlet size for rapid release of pressure. Simple push/pull of handle provides positive direct manual operation. Pressure sensing port allows installation of PopUp Indicator or Pressure Switch option to verify pressure is released. Teflon slipper seals for easy shifting even after long periods of inactivity.