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Medium Pressure Diaphragm Pump -  1" HB Inlet x 1/2" NPT Outlet

Medium Pressure Diaphragm Pump - 1" HB Inlet x 1/2" NPT Outlet

Part #: DP-139


  • 3-diaphragm design.

  • Ideal for agriculture and industrial use including horticulture, lawn care, nursery, car wash, air blast orchard/vineyard and poultry houses.

  • Various mounting options that make them convenient to mount on sprayers with a PTO drive or can be equipped with either gasoline, electric or hydraulic motors.

  • All fluid ends are anodized aluminum.

  • Check valves are stainless steel, ideal for protection against most harsh chemicals and abrasion.

  • All moving parts are completely submerged in oil, which increases the reliability of the pump.

  • Diaphragms are constructed from chemical resistant elastomers that ensure a long pump life even when used with aggressive chemicals.

Regular Price: $1,519.19

Special Price $659.99

CDS John Blue

Details

Details

The John Blue Medium Diaphragm Pumps are available in a three diaphragm design. These pumps are ideal for agriculture and industrial use including horticulture, lawn care, nursery, car wash, air blast orchard/vineyard and poultry houses. These Medium Pressure Diaphragm Pumps have various mounting options that make them convenient to mount on sprayers with a PTO drive or can be equipped with either gasoline, electric or hydraulic motors. All fluid ends are anodized aluminum and the check valves are stainless steel, ideal for protection against most harsh chemicals and abrasion. All moving parts are completely submerged in oil, which increases the reliability of the pump. The diaphragms are constructed from chemical resistant elastomers that ensure a long pump life even when used with aggressive chemicals.

Features & Benefits:

Medium Pressure Diaphragm Pump
  • Ball bearings on the crankshaft for increased life.
  • Exclusive stainless steel check valve design ensures perfect sealing performance due to its unique spherical shaped poppet and conical seat.
  • Features a uniquely shaped piston to reduce wear against the diaphragm.
  • Medium-Pressure Diaphragm Pumps perform from 7.4 to 18.5 GPM with pressure ratings from 0 to 580 PSI.
  • The pump’s design delivers high volumetric efficiencies and more pumping capacity.
  • Three-piston semi-hydraulic diaphragm pumps ensure a smoother, quieter operation.
  • Convenient visual oil-level indicator.
  • Pumps can be run dry.

Additional Info

Additional Info

SKU A1403245
Manufacturer CDS John Blue
Manufacturer Part # DP-139
Weight (lbs.) 30.8
Material Poly
Operation Manual John Blue DP-139 Operation Manual
Technical Specifications John Blue DP-139 Product Specifications
Gasket Material Viton
Inlet 1" HB Inlet
Outlet 1/2" NPT Outlet
Horsepower 5.6
Maximum (RPM) 550
Maximum Temperature (F°) 140
Maximum Flow Rate (GPM) 13.9
Maximum Pressure (PSI) 580
Part Breakdown DP-139 Part Breakdown

 

Reference Number Part Number Description Required
1DP-86356000SCREW M10X658
2DP-23000209HEAD3
3 & 4DP-23004398KIT DIAPHRAGM WASHER/SCREW3
5DP-23001131DIAPHRAGM PISTON3
6DP-23002001PISTON SLEEVE3
7DP-85275000PLUG 1-1/2”1
8DP-81284600BALL BEARING1
9DP-23001976RING1
10DP-26004776CONROD CLAMPING RING1
11DP-80137700SEEGER RING1
12DP-23000509CONNECTING RODS3
13DP-23000709PISTON3
14DP-81850450PISTON RING6
15DP-85200670PISTON ROD PIN3
16DP-80002100RING DIA. 156
17DP-17001361CAP1
18DP-86318500SCREW M10X164
19DP-80226410O-RING1
20DP-17002476SPACER1
21DP-23002326CRANKSHAFT1
22DP-81297200BALL BEARING1
23DP-23000832OIL FILLER1
24DP-82006750BARB NUT1
25DP-8405600090 DEGREE HOSE BARB1
26DP-80320700O-RING 2, 62X29, 821
27DP-83508900NIPPLES1
28DP-86273000SCREW2
29DP-84368500WASHER2
30DP-80318000O-RING 2, 62X15, 081
31DP-82412000GASKET1
32DP-86356200SCREW M10X704
33DP-23001861MOUNTING BRACKET2
34DP-23000109CRANKCASE1
35DP-80213450OIL SEAL1
36DP-80320980O-RING 2, 62X50, 471
37DP-80321068O-RING 2, 62X120, 321
38DP-23004609CRANKCASE COVER1
39DP-86221600SCREW M6X256
40DP-86216800SCREW M6X222
41DP-31891697DISCHARGE FITTING1
42DP-80321800O-RING 3X221
43DP-845544101/4 TURN VALVE1
44DP-80317600O-RING 2, 62X11, 911
45DP-80318900O-RING 2, 62X18, 726
46DP-23980597VALVE ASSY6
47DP-23000309END COVER3
48DP-86330000SCREW M10X306
49DP-80321920O-RING 3X356
50DP-80320700O-RING 2, 62X29, 826
51DP-80321900O-RING 3X251