Models D 35 G 35-PDF Free Download

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D G 35 Contents, Specifications 2, Dimensions 4, Installation 5. Maintenance 9, Service Fluid End 10, Service Hydraulic End 15. Troubleshooting 18, Warranty 20, D G 35 Specifications. Max Pressure 1200 psi 83 bar Calculating Required, Capacity Max Pressure. rpm gpm I min Horsepower kW, D G 35 X 1050 36 5 138.
D G 35 E 1150 34 5 131 100 x rpm gpm x psi, electric motor HP. Delivery Max Pressure 63 000 1 460, revs gal revs liter. D G 35 X 29 7 8, D G 35 E 33 8 8 100 x rpm lpm x bar. electric motor kW, Max Inlet Pressure 250 psi 17 bar 84 428 511. Max Temperature 250 F 121 C consult factory for, temperatures above 160 F 71 C rpm equals pump shaft rpm HP kW is required application.
Inlet Port D 35 2 1 2 inch NPT or power Use caution when sizing motors with variable speed. 3 inch SAE flange drives, G 35 2 1 2 inch BSPT, Discharge Port D 35 1 1 4 inch NPT or. 1 1 4 inch SAE flange, G 35 1 1 4 inch BSPT, Shaft Diameter 2 inch 50 8 mm. Shaft Rotation Bidirectional, Bearings Tapered roller. Oil Capacity 5 US quarts 4 7 liters, Weight 240 lbs 109 kg. 2 D35 991 2400A1, D G 35 Specifications, Performance Net Positive Suction Head.
0 200 400 600 800 1000 1200 26, 140 D G 35 X 7, 200 PSI 14 bar. 1200 PSI 83 bar, NPSHr meters of water, NPSHr feet of water. Gallons per Minute, Liters per Minute, 0 100 200 300 400 500 600 700 800 900 1000 1100 1200. Lift cm of water, Lift feet of water, 0 200 400 600 800 1000 1200. 3 D35 991 2400A1, D G 35 Dimensions, D 35 Models with NPT Inlet Outlet Ports.
G 35 Models with BSPT Inlet Outlet Ports, 316 Stainless Steel. Ductile Iron Nickel Plated, Nickel Alloy Hastelloy CW12MW. 152 30 1 Outlet, D 35 1 25 NPT, G 35 1 25 BSPT, Inlet 11 83. D 35 2 5 NPT 300, 0 50 G 35 2 5 BSPT dia, 0 66 Slot Width. 16 8 1 15 W0185A, 7 5 6 5 6 5 0 2 29 2 9 9, 191 165 165 5 1 Slot Width 251.
D 35 Models with SAE Flange Inlet Outlet Ports, 316 Stainless Steel. Ductile Iron Nickel Plated, Nickel Alloy Hastelloy CW12MW 6 0 1 2 1 19. 30 2 7 16 14 UNC 2B thd, 152 30 1 1 25, 3 0 outlet. 76 2 11 83, Sq Key 58 7, 22 9 0 3 5 8 11UNC 2B THD. 0 66 Slot Width 4 19, 16 8 1 15 W0187A, 7 5 6 5 6 5 0 2 Slot Width 9 9.
191 165 165 5 1 251, 4 D35 991 2400A1, D G 35 Installation. NOTE The numbers in parentheses are the Reference, Numbers on the exploded view illustrations Important Precautions. Adequate Fluid Supply To avoid cavitation and, Location premature pump failure be sure that the pump will have. Locate the pump as close to the supply source as possible an adequate fluid supply and that the inlet line will not be. obstructed See Inlet Piping, Install it in a lighted clean space where it will be easy to inspect. and maintain Allow room for checking the oil level changing Positive Displacement This is a positive displacement. the oil and removing the pump head manifold valve plate pump To avoid severe system damage if the discharge line. and related items ever becomes blocked install a relief valve downstream. from the pump See Discharge Piping, Mounting Safety Guards Install adequate safety guards over.
all pulleys belts and couplings Follow all codes and. Do not exceed the maximum pump speed regulations regarding installation and operation of the. The pump shaft rotation is reversible pumping system. To prevent vibration mount the pump securely on a level rigid Shut Off Valves Never install shut off valves between. base the pump and discharge pressure regulator or in the. On a belt drive system align the sheaves accurately poor regulator bypass line. alignment wastes horsepower and shortens the belt and bearing Freezing Conditions Protect the pump from freezing. life Make sure the belts are properly tightened as specified by See also the Maintenance Section. the belt manufacturer Consult the Factory for the following situations. On a direct drive system align the shafts accurately Unless Extreme temperature applications above 160 F or. otherwise specified by the coupling manufacturer maximum below 40 F. parallel misalignment should not exceed 015 in and angular. Pressure feeding of pumps, misalignment should be held to 1 degree maximum Careful. alignment extends life of the coupling pump shafts and support Viscous or abrasive fluid applications. bearings Consult coupling manufacturer for exact alignment Chemical compatibility problems. tolerances Hot ambient temperatures above 110 F, Conditions where pump oil may exceed 200 F because. of a combination of hot ambient temperatures hot fluid. temperature and full horsepower load an oil cooler. may be required, 5 D35 991 2400A1, D G 35 Installation. Inlet Piping Suction Feed Hose and Routing, CAUTION When pumping at temperatures above 140 F Size the suction line at least one size larger than the pump. use a pressure feed system inlet and so that the velocity will not exceed 1 3 ft sec 0 3 to. Install draincocks at any low points of the suction line to permit 0 9 m s. draining in freezing conditions For pipe in inches Velocity ft sec 0 408 x GPM Pipe ID2. Provide for permanent or temporary installation of a vacuum For pipe in mm Velocity m sec 21 2 x LPM Pipe ID2. gauge to monitor the inlet suction Vacuum at the pump inlet Keep the suction line as short and direct as possible. should not exceed 7 in Hg With PTFE diaphragms the inlet. must be flooded Use flexible hose and or expansion joints to absorb vibration. expansion or contraction, If possible keep the suction line level Do not have any high.
points to collect vapor unless these high points are vented. Supply Tank To reduce turbulence and resistance do not use 90 elbows. Use a supply tank that is large enough to provide time for any If turns are necessary in the suction line use 45 elbows or. trapped air in the fluid to escape The tank size should be at arrange sweeping curves in the flexible inlet hose. least twice the maximum pump flow rate, If a block valve is used be sure it is fully opened so that the flow. Isolate the pump and motor stand from the supply tank and to the pump is not restricted The opening should be at least. support them separately the same diameter as the inlet plumbing ID. Install a separate inlet line from the supply tank to each Do not use a line strainer or filter in the suction line unless. pump regular maintenance is assured If used it should have a free. Install the inlet and bypass lines so they empty into the supply flow area of at least three times the free flow area of the inlet. tank below the lowest water level on the opposite side of the Install piping supports where necessary to relieve strain on the. baffle from the pump suction line inlet line and to minimize vibration. If a line strainer is used in the system install it in the inlet line. to the supply tank, To reduce aeration and turbulence install a completely. submerged baffle plate to separate the incoming and outgoing. Inlet Piping Pressure Feed, liquids Provide for permanent or temporary installation of a vacuum. pressure gauge to monitor the inlet vacuum or pressure. Install a vortex breaker in the supply tank over the outlet port Pressure at the pump inlet should not exceed 250 psi 17 bar if. to the pump it could get higher install an inlet pressure reducing regulator. Place a cover over the supply tank to prevent foreign objects Do not supply more than one pump from the same inlet line. from falling into it, 6 D35 991 2400A1, D G 35 Installation. Inlet Calculations Net Positive Suction Head, NPSHa must be equal to or greater than NPSHr If not the.
Acceleration Head pressure in the pump inlet will be lower than the vapor pressure. of the fluid and cavitation will occur, Calculating the Acceleration Head. Use the following formula to calculate acceleration head losses. Subtract this figure from the NPSHa and compare the result to Calculating the NPSHa. the NPSHr of the Hydra Cell pump Use the following formula to calculate the NPSHa. Ha L x V x N x C K x G NPSHa Pt Hz Hf Ha Pvp, where where. Ha Acceleration head ft of liquid Pt Atmospheric pressure. L Actual length of suction line ft not equivalent length Hz Vertical distance from surface liquid to pump center line. V Velocity of liquid in suction line ft sec V GPM x 0 408 if liquid is below pump center line the Hz is negative. pipe ID2 Hf Friction losses in suction piping, N RPM of crankshaft Ha Acceleration head at pump suction. C Constant determined by type of pump use 0 04 for the P vp Absolute vapor pressure of liquid at pumping. D 35 and G 35 Hydra Cell pumps temperature, K Constant to compensate for compressibility of the fluid NOTES. In good practice NPSHa should be 2 ft greater than. 1 4 for de aerated or hot water NPSHr, 1 5 for most liquids All values must be expressed in feet of liquid.
2 5 for hydrocarbons with high compressibility, Atmospheric Pressure at Various Altitudes. G Gravitational constant 32 2 ft sec2, Altitude Pressure. Friction Losses ft ft of H20, Calculating Friction Losses in Suction Piping 0 33 9. When following the above recommendations under inlet 500 33 3. Piping for minimum hose pipe I D and maximum length. frictional losses in the suction piping are negligible i e Hf. 0 if you are pumping a water like fluid 1500 32 1, When pumping more viscous fluids such as lubricating oils 2000 31 5. sealants adhesives syrups varnishes etc frictional losses 5000 28 2. in the suction piping may become significant As Hf increases. the available NPSH NPSHa will decrease and cavitation will. In general frictional losses increase with increasing viscosity Discharge Piping. increasing suction line length increasing pump flow rate and NOTE Consult the Factory before manifolding two or more. decreasing suction line diameter Changes in suction line pumps together. diameter have the greatest impact on frictional losses a 25. increase in suction line diameter cuts losses by more than Hose and Routing. two times and a 50 increase cuts losses by a factor of five Use the shortest most direct route for the discharge line. Select pipe or hose with a working pressure rating of at least. Consult the factory before pumping viscous fluids 1 5 times the maximum system pressure EXAMPLE Select. a 1500 psi W P rated hose for systems to be operated at. Minimizing Acceleration Head and Friction 1000 psi gauge pressure. Losses Use about 6 ft 1 8 m of flexible hose between the pump and. To minimize the acceleration head rigid piping to absorb vibration expansion or contraction. Keep inlet lines less than 3 ft long Support the pump and piping independently Size the discharge. Use at least 2 inch 50 mm I D inlet hose line so that the velocity of the fluid will not exceed 7 10 ft sec. Use soft hose low pressure hose non collapsing for the 2 3 m sec. inlet lines For pipe in inches Velocity ft sec 0 408 x GPM Pipe ID2. Minimize fittings elbows valves tees etc For pipe in mm Velocity m sec 21 2 x LPM Pipe ID2. Use a suction stabilizer on the inlet, 7 D35 991 2400A1.
D G 35 Installation, Pressure Regulation Initial Start Up Procedure. Install a pressure regulator or unloader in the discharge 1 Turn on power to the pump motor. line Bypass pressure must not exceed the pressure limit of. 2 Check the inlet pressure or vacuum Inlet vacuum must not. exceed 7 in Hg at 70 F 180 mm Hg at 21 C Inlet pressure. Size the regulator so that when fully open it will be large must not exceed 250 psi 17 bar. enough to relieve the full capacity of the pump without over 3 If you hear any erratic noise or if the flow is unsteady refer. pressurizing the system to the Troubleshooting Section. Locate the valve as close to the pump as possible and ahead 4 If the system has an air lock and the pump fails to prime. of any other valves a Turn off the power, Adjust the pressure regulating valve to no more than 10 over b Remove the drain plug 1 on the bottom center of the. the maximum working pressure of the system Do not exceed manifold. the manufacturer s pressure rating for the pump or regulator NOTE Fluid may come out of this port when the plug. Route the bypass line to the supply tank or to the suction line is removed Provide an adequate catch basin for fluid. as far as possible from the pump to reduce the chance of spillage if required Fluid will come out of this port. turbulence when the pump is started so we recommend that you. attach adequate plumbing from this port so fluid will not. If the pump will be operating for a long time with the discharge. be sprayed or lost Use high pressure rated hose and. closed and fluid bypassing install a thermal protector set to. fittings from this port Take all safety precautions to. trip at 140 F in the bypass line to prevent severe temperature. assure safe handling of the fluid being pumped, buildup in the bypassed fluid. c Jog the system on and off until the fluid coming from this. CAUTION Never install shutoff valves in the bypass line or port is air free. between the pump and pressure regulator or relief valve. d Turn off the power, Provide for permanent or temporary installation of a pressure e Remove the plumbing that was temporarily installed and. gauge to monitor the discharge pressure at the pump reinstall the drain plug 1. For additional system protection install a safety relief valve in 5 Adjust the discharge pressure regulator to the desired. 5 D35 991 2400A1 D G 35 Installation Important Precautions Adequate Fluid Supply To avoid cavitation and premature pump failure be sure that the pump will have