Suitable for general acid and alkali (not suitable for solvent). Ideal for use with low viscosity petroleum fluids. Model is MC50PP-SS/TF/TF/TF, the valve ball and seat material is also TF.Gross Weight : 58 Kg or 128 lbs. Air Inlet Size [in] : 1/2. Please feel free to contact me for more details or if you have any questions. The item "Industrial Chemical Resistant Stainless 2 Inch Air TF Diaphragm Pump" is in sale since Wednesday, April 10, 2019. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Diaphragm Pumps". The seller is "glamglass2013" and is located in Franklin Park, Illinois. This item can be shipped to United States.