This 300L solvent tank high volume butane or propane extraction systems is one of our best sellers. They are equipped with both a 6" tri clamp at the top and bottom of the vessel making the 300L ASME solvent tank convenient for both injection or recovery. Also having a dip tube or coil option, you're able to customize to your needs. Each 300L ASME solvent tank comes with a jacket for either heating or chilling. This solvent or collection tank for butane extraction is rated to -80C and 350psi.