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HOME > Hydraulic Centrifugal Pumps

 

Hydraulic Centrifugal Pumps

 

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Centrifugal pump design provides good resistance to abrasive solutions and extra flow for agitation. The advantages of the hydraulic pump are mounting versatility, customized performance, and ease of maintenance. They are designed to offer long trouble-free life when matched to a hydraulic power source which will give the correct oil flow and pressure. A wide range of pump outputs can be achieved by simply controlling oil flow and pressure to the hydraulic motor.

We offer a comprehensive range of rugged and dependable products to meet virtually any flow, pressure, material and cost requirement. Tough open and closed center tractor applications challenge any pump’s reliability. Delavan Magnum pumps meet the challenge with superior design, precision engineering and high-quality components.

These hydraulic centrifugal pumps offer a host of features for typical applications such as agriculture spraying equipment and fluid transfer.

  • The matched pump and motor provide optimum hydraulic performance for cooler operation and longer life.
  • Exclusive front and rear wear rings balance the impeller and maximize bearing and seal life.
  • Corrosion resistant nylon or polypropylene impellers provide extended life.
  • Designed and built tough to keep on performing in the most challenging applications for agriculture spray equipment and fluid transfer.

These hydraulically-driven, cast iron and stainless steel pumps provide fluid flow up to 191 GPM and pressure to 140 PSI, at temperatures up to 140°F. They are available in open and closed hydraulic system configurations.

Additional features include a corrosion-resistant nylon impeller and Viton/ceramic seals, as standard. A polypropylene impeller and Viton/silicon carbide seals are available. A standard selection of hydraulic motors offers simple off-the-shelf replacement and covers all applications, and types of tractors. Optimum hydraulic performance is achieved with an optimally matched pump and motor, which provides cooler running temperatures for less heat and longer life.

Additional information on how a centrifugal pump works and how to determine pump capacity.

Downloads: download Installation Manual (494 KB)download HD Magnum Catalog (1.72 MB)

 

Hydraulically-Driven Magnum Centrifugal Pumps

Hydraulic Centrifugal Pumps

(Cast Iron)

 

Stainless Steel Centrifugal Pump

(Stainless Steel)

 

 

 

 

M125 Heat Rise

Heat Rise


HD Magnum Series M125 HydraCentrifugal Pump

  • Max Recommended Temperature: 140°F
  • Port Size:
    Inlet: 11⁄2 “ FNPT
    Outlet: 11⁄4 “ FNPT
  • Max. Flow: 95 GPM
  • Max. Pressure-Shut-off: 130 PSI
  • Hydraulic Motor Ports: 1⁄2 SAE x FNPT
  • Weight: 29 lbs (13.2 kg)
  • Motor Housing: Aluminum
  • Pump Housing: Cast iron or stainless steel
  • Impeller: Nylon (standard) or polypropylene (optional);
    with or without stainless steel inserts
  • Mechanical Seals:
    Cast Iron: Viton/Ceramic Seal (Standard)
  • Warranty: One Year
M150 Dimensions
Dimensions Inches (mm)

Ordering Information - FREE SHIPPING

MODEL
DESCRIPTION
MOTOR
PRICE
DEL-M125C-PM37 Centrifugal Pump - Cast Iron, Viton/ Ceramic Seal PM37
DEL-M125C-PM45 Centrifugal Pump - Cast Iron, Viton/ Ceramic Seal PM45
DEL-M125S-PM37 Centrifugal Pump - Stainless Steel, Viton/ Silicone Carbide Seal PM37
DEL-M125S-PM45 Centrifugal Pump - Stainless Steel, Viton/ Silicone Carbide Seal PM45

Performance

Pump Flow GPM @ Rated PSI

Motor Size Oil Flow (GPM) 10 20 30 40 50 60 70 80 90 100 110 120 130
PM45* 11 180 173 165 152 136 123 101 82 61 32 8    
12 185 177 169 160 151 138 121 103 82 63 45 11  
13 191 182 174 168 159 145 133 117 101 86 60 36  
PM37 7 69 68 66 63 55 44 25 16          
8 78 76 75 71 69 61 52 34 15        
9 79 77 76 73 70 63 59 46 30 8      

NOTE: Smaller displacement motors on larger pumps can cause pressures on hydraulic motor to exceed recommended manufacturer’s specifications. Consult factory for details.

 

Magnum Centrifugal Pump

(Cast Iron)

 

Hydraulic Pump - Stainless Steel

(Stainless Steel)

 

 

 

 

M150 Heat Rise

Heat Rise

HD Magnum Series M150 Centrifugal Pump

  • Max Recommended Temperature: 140°F
  • Port Size:
    Inlet: 11⁄2 “ FNPT
    Outlet: 11⁄4 “ FNPT
  • Max. Flow: 191 GPM
  • Max. Pressure-Shut-off: 140 PSI
  • Hydraulic Motor Ports: 1⁄2 SAE x FNPT
  • Motor Housing: Aluminum
  • Pump Housing: Cast iron or stainless steel
  • Impeller: Nylon (standard) or polypropylene (optional); with or without stainless steel inserts
  • Mechanical Seals:
    Cast Iron: Viton/Ceramic Seal (Standard)
    SS: Viton/Silicon Carbide (Standard)
  • Weight: 32 lbs (14.5 kg)
  • Warranty: One Year
M120 Dimensions
Dimensions Inches (mm)

Ordering Information - FREE SHIPPING

MODEL
DESCRIPTION
MOTOR
PRICE
DEL-M150C-PM37 Centrifugal Pump - Cast Iron, Viton/ Ceramic Seal PM37
DEL-M150C-PM58B Centrifugal Pump - Stainless Steel, Viton/ Silicone Carbide Seal PM58B
DEL-M150S-PM37 Centrifugal Pump - Stainless Steel, Viton/ Silicone Carbide Seal PM37
DEL-M150S-PM58B Centrifugal Pump - Stainless Steel, Viton/ Silicone Carbide Seal PM58B

Performance

Pump Flow GPM @ Rated PSI

Motor Size Oil Flow (GPM) 10 20 30 40 50 60 70 80 90 100 110 120 130
PM37* 7 155 144 127 105 65 21              
8 175 170 161 145 126 104 78 43          
9 180 172 163 151 138 115 88 64 39        
PM58
PM58B
13 172 165 159 148 136 124 106 86 66 37 12    
14 180 172 164 156 147 135 120 104 86 69 51 15  
15 185 174 165 159 150 141 131 118 101 88 63 38  

NOTE: Smaller displacement motors on larger pumps can cause pressures on hydraulic motor to exceed recommended manufacturer’s specifications. Consult factory for hydraulic centrifugal pumps details.

 

Hydraulic  Centrifugal Pump

(Cast Iron)

 

Stainless Steel Magnum Pump

(Stainless Steel)

 

 

 

 

M22 Heat Rise

Heat Rise

HD Magnum Series M200 Centrifugal Pump

  • Max Recommended Temperature: 140°F
  • Port Size:
    Inlet: 2" FNPT
    Outlet: 11⁄2“ FNPT
  • Max. Flow: 245 GPMs
  • Max. Pressure-Shut-off: 145 PSI
  • Hydraulic Motor Ports: 1⁄2 SAE x FNPT
  • Weight: 33 lbs (15.0 kg)
  • Motor Housing: Aluminum
  • Pump Housing: Cast iron or stainless steel
  • Impeller: Nylon (standard) or polypropylene (optional); with or without stainless steel inserts
  • Mechanical Seals:
    Cast Iron: Viton/Ceramic Seal (Standard)
    SS: Viton/Silicon Carbide (Standard)
  • Warranty: One Year
M200 Dimensions
Dimensions Inches (mm)

Ordering Information - FREE SHIPPING

MODEL
DESCRIPTION
MOTOR
PRICE
DEL-M200C-PM45 Centrifugal Pump - Cast Iron, Viton/ Ceramic Seal PM37
DEL-M200S-PM45 Centrifugal Pump - Stainless Steel, Viton/ Silicone Carbide Seal PM58B
DEL-M200S-PM58 Centrifugal Pump - Stainless Steel, Viton/ Silicone Carbide Seal PM37
DEL-M200S-PM70B Centrifugal Pump - Stainless Steel, Viton/ Silicone Carbide Seal PM58B

Performance

Pump Flow GPM @ Rated PSI

Motor Size Oil Flow (GPM) 10 20 30 40 50 60 70 80 90 100 110 120 130
PM37* 7 155 144 127 105 65 21              
8 175 170 161 145 126 104 78 43          
9 180 172 163 151 138 115 88 64 39        
PM58
PM58B
13 172 165 159 148 136 124 106 86 66 37 12    
14 180 172 164 156 147 135 120 104 86 69 51 15  
15 185 174 165 159 150 141 131 118 101 88 63 38  

NOTE: Smaller displacement motors on larger pumps can cause pressures on hydraulic motor to exceed recommended manufacturer’s specifications. Consult factory for details.

 

Additional Information on Hydraulic Centrifugal Pumps

 

Plumbing Diagram

How Hydraulic Centrifugal Pumps Works

  • The pump shaft is driven by a hydraulic motor
  • A constant supply of fluid enters the inlet side of the pump (Note: centrifugal pumps cannot be operated dry!)
  • As the impeller rotates, centrifugal force pushes the fluid around the pump cavity through the pump housing to the outlet of the pump
  • The volume of flow is determined by several factors including: speed, operating pressure, size of the pump

M150 Hydraulic Centrifugal Pump

How to Determine Pump Capacity for Your Sprayer

  • Pump Capacity (GPM): Boom Requirement (GPM) + Agitation Requirement (GPM)
  • Boom Requirement (GPM): Number of nozzles x flow rate per nozzle (GPM at desired PSIG)
  • Agitation Requirement (GPM): 5% of total tank volume if using liquids; 10% if using wettable powders

Example:

A boom with extended range 80-04 tips (0.40 GPM at 40 PSIG) and a 200 gallon tank with tank agitation.
Pump Capacity = (17 x 0.40) + (5% of 200)
Pump Capacity = 6.8 + 10.0
Pump Capacity = 16.8 GPM

*See individual hydraulic centrifugal pumps specification pages for complete performance information.

 

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