Sight flow indicator for tanker discharge line - uses product code on outside of indicator housing

摘要

The discharge valve connector has a sleeve (1) which connects on one side (2) to the delivery valve and on the other side (3) to a delivery pipe connector (4). The connector is held in place by bolts through the holes (7). The two coloured rotating vanes (10) is mounted on the axis (9) which is suspended from the housing by the rib (8). The vane is mounted in the internal tube (13) sealed by the 'O' rings (19) and (20) and the ring (15). The outer ring (21) carries a product code which may be positioned by turning around the housing.