Murzan Diaphragm Pump. Model: P150. S/N: 98053518. 304 stainless steel. Diaphragm: 11 in. dia. Inlets/outlets: (2) 2 in. dia. Q-line, (1) 1/2 in. MPT air hose fitting. Overall dimensions: 20 in. L x 18 in. W x 30 in. H. Murzan pumps are used to transfer viscous products, shear sensitive products, solids in a liquid media, and fluid products containing delicate particles such as peach slices, raspberries, cherries, etc.