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Series 4960 / 4970 / 4980 / 5960 Gauge Hatch

Brand: Protectoseal Company
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The Protectoseal Gauge Hatches provide ready access to storage tank’s interior for inspection, gauging and sampling.

Gauge Hatches are intended for use where the fire protection afforded by a Protectoseal flame arrester is not considered necessary.

The lockdown feature on the Series 4970 / 5960 makes them particularly suited for use on tanks with normal operating pressure under 3 psiG.

Tightening the thumb screw holds the cover securely in place, thereby minimizing leakage and evaporation losses.

The Series 4960 / 4980 Gauge Hatches with Free-Lifting Covers have nominal opening pressures (based on their weight), but they should not be considered as primary pressure relief devices.

Vapors relieved are expelled to atmosphere.
Features
  • Sizes 4" (DN 100), 6" (DN 150) and 8" (DN 200)
  • Provide tank access for manual gauging, sampling and temperature readings
  • Free-lifting or lockdown models available
  • Thermometer hook, gauge marker and lock hole are provided
  • Hinged cover can be opened a full 75° to 80° 
  • Available in Aluminum, Stainless Steel and Carbon Steel
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The Protectoseal Gauge Hatches provide ready access to storage tank’s interior for inspection, gauging and sampling.

Gauge Hatches are intended for use where the fire protection afforded by a Protectoseal flame arrester is not considered necessary.

The lockdown feature on the Series 4970 / 5960 makes them particularly suited for use on tanks with normal operating pressure under 3 psiG.

Tightening the thumb screw holds the cover securely in place, thereby minimizing leakage and evaporation losses.

The Series 4960 / 4980 Gauge Hatches with Free-Lifting Covers have nominal opening pressures (based on their weight), but they should not be considered as primary pressure relief devices.

Vapors relieved are expelled to atmosphere.
Features
  • Sizes 4" (DN 100), 6" (DN 150) and 8" (DN 200)
  • Provide tank access for manual gauging, sampling and temperature readings
  • Free-lifting or lockdown models available
  • Thermometer hook, gauge marker and lock hole are provided
  • Hinged cover can be opened a full 75° to 80° 
  • Available in Aluminum, Stainless Steel and Carbon Steel
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Specifications

Brand

Approvals & Certifications

  • FM

Enclosure, Body Material

  • 316 Stainless Steel
  • Aluminum 356
  • Carbon Steel

Flange Size - 4” (DN 100)

  • 4” (DN 100) - 125#
  • 4” (DN 100) - PN 16

Flange Size - 6” (DN 150)

  • 6” (DN 150) - 125#
  • 6” (DN 150) - PN 16

Flange Size - 8” (DN 200)

  • 8” (DN 200) - 125#
  • 8” (DN 200) - PN 16
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