Full Throat Access

  • The 8” Lockdown Hatch provides a full 8” diameter opening for tank access.

Sweet and Sour Service Options

  • Seal options available for both sweet and sour service. Alternate seals available for other chemical service.

Simple Locking Design

  • The flip-down locking knob allows for quick access to the tank while providing an integral locking point to restrict entry to the tank.

Precision Parts Made in Canada

  • Manufactured and assembled from high precision components at the Hawkeye Industries factory in Edmonton, Alberta, Canada.


Function Gauge Hatch (Non-venting)
Temperature range (Sweet, CR/Neoprene) -50°C to 100°C
Temperature range (Sour, FKM/Viton std) -26° to 100°C
Temperature range (Sour, FKM/Viton short-term) -40°C to 120°C
Maximum allowable pressure 4 psi [28 kPag]
Tank Connection 8 API (API 12F Figure 1)

Related Documents


Download Brochure

Installation, Operation & Maintenance Guide

Download IOM

Ordering Information

Model 500 Lock Down Hatches are stock in Edmonton.

  1. Specify “Model 500 Lock Down Hatch)

See part number matrix on the brochure for more information.

Consider completing your Model 500 Lock Down Hatch Installation with a Bolt Kit and Tank Gasket.

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