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Model 300 TVTH Venting Gauge Hatch
Features
Economical Thief Hatch
- The Model 300 Tank Vent Thief Hatch (TVTH) is a budget-conscious choice for integrated thief access and pressure + vacuum relief, offering economical pressure- and vacuum relief for sour service applications.
Flush Top-Mount design
- The pressure and vacuum relief mechanism operates above the tank roof to maintain functionality if the thief hatch opening is irregular or undersize.
Variety of Pressure Settings
- Model 300 are available with a wide variety of factory-set pressure relief settings.
- Vacuum relief is fixed at 0.4 ozsi for both.
Specifications
Function
Venting Gauge Hatch; Tank Access + Pressure & Vacuum Relief
Temperature Range (TVTH 300)
-26°C to 200°C (eFKM/Viton)
Pressure Relief Type
Spring-loaded pallet
Pressure Relief Range
4 to 40 ozsi (see Relief Settings)
Vacuum Relief Range
0.4 ozsi fixed
Tank Connection
8” API (Fig 1 API 12F)
Related Documents
Brochure
Download BrochureTVTH Operation & Maintenance
Download TVTH Operation & Maintenance GuideVent Sizing Charts
Download Venting Sizing ChartsOrdering Information
TVTH 300s are stocked in Edmonton, ready to ship 1-day or less.
For Sour Service
- Specify TVTH 300 Thief Hatch
- Specify Pressure Relief Setting (4, 6, 8, 12, 16, 32 or 40 ozsi)
- Specify spring material (302 SS standard, Inconel available)
See part number matrix on the brochure for more information.
