Specialised Tank & Chemical Cleaning Equipment

Directional nozzle kit c/w stuffing box for petroleum storage tanks de- sludging, degassing and cleaning.

Look no further for your sludge re-suspension and chemical treatments. Originally invented and applied in 1988, DURO-STINGER™ is a simple yet industry-proven non-entry tank cleaning system that is versatile enough to execute a wide range of circulation mixing work scopes in the oil refining, petrochemical and midstream sectors. 

The proprietary sealed design concept allows safe insertion through a 4” x 150# Gate valve on the manway side, with or without the tank filled.

The latest DURO-STINGER™ edition adds engineered features that make manual control for flow reversal even easier.

An ideal add-on equipment piece to the DURO-STINGER™ tank circulation kit, as well as industry’s benchmark heater for pressure or atmospheric vessel chemical cleaning during plant shutdowns. 

Introducing the DURO-HEATER™, a versatile heat exchanger designed to undertake any industrial re-circulation project when heating the liquid solution to achieve and maintain a prescribed temperature range is critical to project success. 

Featuring metallurgy and component materials that can withstand petroleum-based solvents, low/high pH fluids and re-suspended hydrocarbons, this is an industrial cleaning contractor’s workhorse.

The DURO-HEATER™, package is housed in a heavy duty, custom 16” shell cylinder containing 30% more tubes than any available rental heat exchanger in the marketplace offering extra surface area for quicker heat transfer. 

The large diameter tubes allow for free-flowing tank bottoms in suspension.