Product Overview
Restore a dependable seal to your thief hatch with our replacement 8" API 650 thief hatch mounting gaskets and hardware kit. These gaskets are designed for standard 8-inch API 650 style thief hatches and are available in Neoprene or Viton® (FKM) to suit a variety of tank service applications.
These replacement gaskets are ideal when servicing or rebuilding existing thief hatches and can help reduce vapor leakage caused by worn, cracked, or deteriorated seals.
Features
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Fits standard 8" API 650 thief hatches
- SAE J429 ZN nuts and bolts
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Available in Neoprene or Viton® (FKM)
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Direct replacement mounting gasket for many standard API 650 style hatches
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Suitable for new installations or routine maintenance
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Helps provide a reliable weather and vapor seal
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Made from quality gasket materials for long service life
Material Options
Neoprene
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Excellent general-purpose sealing material
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Good resistance to weather, ozone, and moderate petroleum exposure
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Economical choice for many tank applications
Viton® (FKM)
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Superior resistance to fuels, hydrocarbons, oils, and many chemicals
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Excellent high-temperature performance
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Recommended for more demanding petroleum and chemical service
Compatibility
Designed for use with many standard 8-inch API 650 thief hatches, including compatible models such as the Enardo® 660 and Enardo® ES-660 Series, as well as other manufacturers utilizing the standard 8-inch API mounting pattern.
If you are unsure whether this gasket fits your application, please contact us with your thief hatch manufacturer and model number. We'll be happy to help verify compatibility before you order.
Need a complete thief hatch? Hess Services also stocks replacement thief hatches and related tank venting products.
Includes: 16 nuts, bolts, and 1 Viton Gasket
HW-109516 - 16 EACH
HW-109821 - 16 EACH
HW-133696 - 1 EACH
