8″ Thief Hatch, Round


Product Description


Durable relief valve designed for storage vessels requiring pressure and vacuum venting.  An 8″  dead weight cover opens completely, to allow for high venting capacity. Standard settings are  2 oz pressure and 0.4 oz vacuum, with other settings available.  The #54 can be ordered with bolting or welding base. Flange hole pattern complies with API bolt circle dimensions.  Standard gasket is neoprene, other gasket materials available.

Bolt Pattern: (16) – 1/2″ dia holes on a 10 3/8″ B.C.

Quick Look Sheet

Additional Information


2oz Lid Assembly, 2oz Pressure, 2oz Weld on collar, 3oz Pressure, 4oz Lid Assembly, 4oz Pressure, 4oz Weld on collar


Product# 0054-01-0800
8″ Thief Hatch, Round

SKU: 0054-01. Categories: , .