- Allows for visual identification of fuel grade prior to opening the valve
- Works with tank truck flanged butterfly valves found on gasoline trucks
- Acrylic sight glass
- Low cost sight glass tube can be easily replaced
- Due to the proprietary blending of petroleum products, Dixon recommends that the thermoplastic tubing and the gaskets be immersion tested in the product to be handled to ensure compatibility
- Not compatible with crude oil.
- Maximum flange bolt torque is 200 in-lb (inch pounds)