Web15 Mar 2012 · The thief hatch of claim 4, further comprising a pull cord attachment fixed to the production tank, the pull cord being secured to the pull cord attachment to hold the thief hatch closed. 6. The thief hatch of claim 1, further comprising a two-way relief valve in the movable portion that opens upon application of a predetermined pressure or vacuum. Web18 Jun 2024 · Thief hatches are normally included on low-pressure holding tanks, and are used to determine the level of the tank, take samples of the contents, and address …
Tank battery - PetroWiki
Web2 Jun 2015 · Thief hatches and vent-line valves should be kept closed and inspected periodically for proper operation and gasket condition. Should any leaks occur, they may … WebEnardo™ Model 660 and 660-L Spring-Loaded Thief Hatch. The Model 660 is a premium hatch designed with a round base and cover and is intended for use in applications where tight sealing is critical such as sour crude/gas or where strict environmental emissions standards are enforced. Check Order Status. is tamera hall pregnant again
Production Equipment - Thief Hatch - Dragon Products PES
WebA typical Thief Hatch installation on a tank or vessel is illustrated in Figure 1, Page 4. L AMOT’s spring loaded Pressure/Vacuum Relief Valves are designed to provide tank protection for both pressure and/or vacuum. The valve is marked with a rated flow capacity at 100% over-pressure. Consult factory for performance under other conditions. WebTank Vents & Hatches. Controllers and Instruments. Flame & Detonation Arrestors. Bulk Storage & Transport Equipment. Steam Traps, Valves and Level Gauges. Brands Anderson … WebThief hatches protect against vacuum and overpressure with a spring loaded, gasket-lined pressure plate over an API-12 opening in an oil tank. When pressure or vacuum levels … ista metering cif