Description Shurflo's 166-200-56 Series air operated diaphragm pump that utilizes a twin chamber double diaphragm design. The pump's body is constructed with polypropylene to enable operation in areas where the pump is exposed to corrosive chemicals and is equipped with EPDM elastomers. Handles pressures at a maximum of 60 PSI. Pump is made for chemical transfer, injection and spraying applications. Specifications: Design: Twin Chamber Double Diaphragm Model Number/Fluid Chamber Materials: 166-200 - 57 Santoprene/ EPDM Materials Of Construction: Polypropylene, Nylon, 316 Stainless Steel, Buna within air passages Power Source: CO2, Nitrogen, or Compressed Filtered Air Operating Pressure (Static): 60 psi. [4.1 bar] MAX. / 20 psi. [1 bar] MIN. Displacement: .0195 gal. per cycle [74cc] Flow Rate (Continuous): .6 gal. per min. maximum [2.2 L] Gas Consumption Rate (Fluid Viscosity 22 Centipoise): .48 CFM @ 60 psi consumed when pumping at .46 GPM Temperature Limits: 34° _ 120°F [1.1°_49°C] Suction Lift (Wet): 25 in/Hg. [85 kPa] (not intended for dry operation) Valve Passage: .025 [.6mm] soft, round particulates max. Dimensions: 6.3"H x 5.9"W x 3.8"D [160 x 150 x 97 mm] Weight: 2 lbs. [.9 kgs] Standard Fittings: 3/8" [10mm] Barb, stainless steel, 90° configuration Features: 2-Chamber Dual Diaphragm Positive Displacement On-Demand Operation Chemically Resistant Polypropylene Body 30 to 60 PSI [2.1- 4.1 bar] 0.6 GPM Maximum Flow