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Home » Catalogue » NATCO Catalogue » Speciality Items » Thief Hatch 8-8A
Thief Hatch 8-8A

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Thief Hatch 8-8A

DESCRIPTION

The purpose of the thief hatch is to work in tandem with the vent valve to minimize the escape of light ends of crude in lease storage by maintaining a pressure on the tank. A vacuum relief function is also standard to prevent a suction or draw down from collapsing the tank. The thief hatch permits access to the contents of the tank for sampling and gaging. The vent valve should be set to vent pressure before the thief hatch.

test 123

test 123
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Thief Hatch 8-8A Manual Thief Hatch 8-8A Manual
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Ordering Information

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Check Part # Description Comments Qty
61802801 Base, cast aluminum
61802803 Lid, cast aluminum
61802804 Pressure valve casting
61802908 Vacuum disk, aluminum
61802909 Back-up plate, aluminum
47992004 Pressure gasket, neoprene
61802929 Pressure gasket alternate, neoprene sponge roll
57992009 Pressure gasket, viton sponge strip roll
47701005 C-40 adhesive
47992005 Vacuum gasket, neoprene
57992005 Vacuum gasket, viton
47702247 Base gasket, G6, Teflon
47702248 Base gasket, G6, neoprene
47702249 Base gasket, G6, viton
61802903 Screws, cad. Pl (2 required)
61802911 Valve guide stem
61802912 Pressure spring, 2 oz. To 16 oz. Sweat or sour
61802914 Vacuum spring, sweat or sour
61802812 Hinge pin
61802916 Hair pin, cotter. (2 required)
61802814 Latch, aluminum</