Product Overview
The Hess Services 8" Thief Hatch Neck Assembly provides a prepared mounting connection for installing a compatible 8-inch thief hatch on a steel storage tank. Manufactured and machined by Hess Services for use with our tank products, this assembly combines an 8-inch Schedule 40 steel pipe neck with a welded carbon steel flange.
The pipe neck is professionally welded to the flange and supplied as a ready-to-install assembly for tank fabrication.
The exposed pipe end is machined with a rounded profile to facilitate paint or coating application to the interior of the tank, where applicable.
Product Features
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Designed for mounting a compatible 8-inch thief hatch on a steel tank
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8-inch nominal Schedule 40 steel pipe neck
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1/2-inch-thick A36 carbon steel flange plate
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Pipe neck welded to flange and supplied as a ready-to-install assembly
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Rounded, machined pipe-end profile to facilitate interior tank coating application
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8-1/2-inch overall length, measured from the flange face to the end of the pipe
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Manufactured by Hess Services Inc. for use in tank fabrication
Specifications
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Nominal connection size: 8 inches
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Neck material: ASME SA-53 Grade B steel pipe, Schedule 40
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Flange material: ASTM A36 carbon steel plate, 1/2-inch thick
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Pipe length: 8 inches
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Overall length: 8-1/2 inches
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Flange bolt pattern: 8-inch API pattern; verify compatibility with the specific hatch model before installation
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Installation: Weld neck assembly into the steel tank roof or designated mounting location
Compatibility and Ordering Information
Designed for use with compatible 8-inch thief hatches, including verified Enardo 660-series models with the matching 8-inch API bolt pattern.
Thief hatch, gasket, bolts, nuts, and other mounting hardware are sold separately. This listing is for the welded neck assembly only.
Verify the hatch model, mounting dimensions, tank design requirements, and applicable installation procedures before ordering or installing.
