Overview Reviews Product Description ML 4.0/30-W PUMP 4.0GPM 3000PSI 3400RPM 1" HOLLOW SHAFT GAS FLANGE M-SERIES HIGH PRESSURE PLUNGER PUMPS 1/2" Inlet 3/8" Outlet Brass manifold Solid ceramic plungers Stainless Steel check valves Stainless Steel piston guides Replaceable teflon coated body guides for optimum piston guide support High strength aluminum alloy or bronze connecting rods Heavy duty flat base high pressure seals Industrial quality tapered roller bearings 20oz. capacity vented oil bath crank case Maximum fluid temp. 140 F. Heat treated crank shaft SPECIFICATIONS: Maximum Flow: 4.0 GPM Maximum Pressure: 3000 PSI Horsepower Requirements: 11 HP Maximum Pump Speed: 3400 RPM Shaft: Hollow 1" with gas flange Required Spray Tip: 4.5 Seal Kit: UD-28 Valve Kit: UD-2 Weight: 24 lbs. Product Videos Custom Field Product Reviews Write a Review Write a Review × UDOR BL 4.0/30-W PUMP 4.0GPM 3000PSI 3400RPM 1" HOLLOW SHAFT GAS FLANGE Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *