Assessments - 4, GPA: 4
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2 Dimensions ............................................................................ 4 Installation.............................................................................. 5 Maintenance .......................................................................... 9 Service (Fluid End) .............................................................. 10 Service (Hydraulic End) ....................................................... 14 Troubleshooting ................................................................... 17 D/G-04 Specifications Max Pressure 2,500 psi (170 bar) Capacity @ Max Pressure rpm gpm I/min D/G-04-X 1750 2.9 11.0 D/G-04-E 1750 2.1 7.8 D/G-04-S 1750 1.6 6.1 Delivery @ Rated Pressure revs/gal 500 psi 1500 psi 2500 psi D/G-04-X 565 583 603 D/G-04-E 761 795 833 D/G-04-S 921 972 1,093 revs/liter 35 bar 100 bar 170 bar D/G-04-X 149 154 159 D/G-04-E 201 211 224 D/G-04-S 244 257 287 Max Inlet Pressure 500 psi (35 bar) Max Temperature 250°F (121°C) – consult factory for temperatures above 160°F (71°C) Inlet Port D-04: 1/2 inch NPT G-04: 1/2 inch BSPT Discharge Port D-04: 1/2 inch NPT G-04: 1/2 inch BSPT Shaft Diameter 7/8 inch (22.22 mm) Shaft Rotation Bi-directional Bearings Ball bearings Oil Capacity 1.1 US quarts (1.05 liters) Weight 37 lbs (16.8 kg) Calculating Required Horsepower (kW)* 6 x rpm + gpm x psi = electric motor HP* 63,000 1,460 – (psi – 500 ) 20 6 x rpm 84,428 + =gpm x bar 511 – ( bar – 35 ) 4 electric motor kW* * rpm equals pump shaft rpm. HP/kW is required application power. Use caution when sizing motors with variable speed drives. 2 D04-991-2400 5/1/04 D/G-04 Specifications Performance Net Positive Suction Head – RPM NPSHr 0 200 400 600 800 1000 1200 1400 1600 1800 12 3.33 12.5 3.5 1750 D/G-04-X D/G-04-E D/G-04-S 0 200 400 600 800 1000 1200 1400 1600 1800 1750 500 PSI (35 bar) 1500 PSI (100 bar) 2500 PSI (170 bar) D/G-04-X D/G-04-E D/G-04-S 11.25 11 10 9 2.5 8 2.66 10 NPSHr (meters Liters per Minute NPSHr (feet of water) 7 2.0 6 8.75 5 1.5 4 Gallons per Minute 2.00 7.5 3 2 1.66 6.25 0 .5 1 0 5.0 RPM 1.00 3.75 Dry Lift 0.66 2.5 8.0 240 220 200 6.0 D/G-04-X D/G-04-E 1750 D/G-04-S 1.25 7.0 180 0 00 Lift (feet of water) 160 Lift (cm of water) 5.0 140 4.0 120 100 3.0 80 2.0 60 40 1.0 20 0 0 200 400 600 800 1000 1200 1400 1600 1800 RPM 3 D04-991-2400 5/1/04 D/G-04 Dimensions D/G-04 Models with Metallic Pumping Head Brass 304 Stainless Steel 316 Stainless Steel 10.38 (263.7) 7.01 (178) 8.71 (221.2) 0.189 (4.8) 4.250 4.25 (107.9) (108) 5.00 0.75 0.75 1.71 (127) (19.1) (19.1) (43.4) 2.25 2.75 6.55 (57.2) (69.9) (166) 3.35 2.75 (85.1) (69.9) Outlet D-04: 1/2" NPT G-04: 1/2" BSPT D-04: 1/2" NPT G-04: 1/2" BSPTInlet 9.93 (252.2) 2.25 (57.2) 3.52 (89.4) 4.97 (126) 0.875 (22.23) 1.73 (43.9) Good Key 4 D04-991-2400 5/1/04 D/G-04 Installation NOTE: The numbers in parentheses are the Reference Numbers on the illustrations in the Parts Manual. Location Locate the pump as close to the supply source as possible. Install it in a lighted clean space where it will be easy to inspect and maintain. Allow room for checking the oil level, changing the oil, and removing the pump head (manifold, valve plate and related items). Mounting The pump shaft can rotate in either direction.To prevent vibration, securely attach the pump to a rigid base. On a belt-drive system, align the sheaves accurately; poor alignment wastes horsepower and shortens the belt and bearing life. Make sure the belts are properly tightened, as specified by the belt manufacturer. On a direct-drive system, align the shafts accurately. Unless otherwise specified by the coupling manufacturer, maximum parallel misalignment should not exceed .015” and angular misalignment should be held to 1 degree maximum. Careful alignment extends life of the coupling, pump, shafts, and support bearings. Consult coupling manufacturer for exact alignment tolerances. On a close-coupled system, coat the motor shaft liberally with anti-seize. Important Precautions Adequate Fluid Supply. To avoid cavitation and premature pump failure, be sure that the pump will have an adequate fluid supply and that the inlet line will not be obstructed. See “Inlet Piping”. Positive Displacement. This is a positive-displacement pump. To avoid severe system damage if the discharge line ever becomes blocked, install a relief valve downstream from the pump. See “Discharge Piping”. Safety Guards. Install adequate safety guards over all pulleys, belts, and couplings. Follow all codes and regulations regarding installation and operation of the pumping system. Shut-Off Valves. Never install shut-off valves between the pump and discharge pressure regulator, or in the regulator bypass line. Freezing Conditions. Protect the pump from freezing. See also the Maintenance Section. Consult the Factory for the following situations: • Extreme temperature applications above 160° F (71°C) or below 40° F (4°C) • Pressure feeding of pumps • Viscous or abrasive fluid applications • Chemical co...
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