Portable Stainless Steel Pressure Tank. Used with the Volumetric filler to aid filling of very viscous materials or to increase accuracy. Wide mouth 3" x 4" opening for easy cleaning. Available in 304 or 316 S.S. Maximum pressure 140 psi. @ 100 F. for 303 S.S. & 185 psi. @ 100F. for 316 S.S. Maximum operating temperature 300 F. 5 NPT connections total for safety blowoff, gauges ect.., complete with dip tube & internal baffle for equal & complete dispersal 2 gallon capacity. ASME Code. Other sizes available upon request.