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
Tank Connection 8 API (API 12F Figure 1)

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Ordering Information

  1. Specify Model 500 Lock Down Hatch
  2. Specify Sweet or Sour Service

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