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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-74.1


  • 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: $1,042.23

Special Price $449.99

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 A3453238
Manufacturer CDS John Blue
Manufacturer Part # DP-74.1
Weight (lbs.) 16
Material Poly
Instruction Manual John Blue DP-74.1 Instruction Manual
Technical Specifications John Blue DP-74.1 Product Specifications
Gasket Material Viton
Inlet 1" HB Inlet
Outlet 1/2" NPT Outlet
Horsepower 2.5
Maximum (RPM) 550
Maximum Temperature (F°) 140
Maximum Flow Rate (GPM) 7.4
Maximum Pressure (PSI) 580
Part Breakdown DP-74.1 Part Breakdown

 

Reference Number Part Number Description Required
1DP-03004031PISTON DIAPHRAGM3
1DP-03004000DESMOPAN PISTON DIAPHRAGM3
1DP-03004036HPS PISTON DIAPHRAGM3
2DP-03982197VALVE ASSY.6
3DP-03020209HEAD3
4DP-03002936VALVE SEAL6
5DP-80321800O-RING 3.0X221
6DP-31151509OUTLET FLANGE G.1/21
7DP-31151761FLANGE1
8DP-03000309SUCTION COVER1
9DP-86213100SCREW M6X183
10DP-80321066O-RING 2, 62X101,271
11DP-80320830O-RING 2, 62X36,141
12DP-03000109CRANKCASE1
13DP-86290000SCREW M8X554
14DP-03001461MOUNTING RAIL2
15DP-80320000O-Ring 2,62X22,221
16DP-8405420090 DEG. ELBOW CONNECTOR1
17DP-82004900WING NUT M341
18DP-83506210NIPPLES G.3/4-M341
19DP-03001631VALVE SEAL1
20DP-86273000SCREW M8X302
21DP-84368500WASHER DIA. 8,4X15X1,52
22DP-23000832OIL FILLER1
23DP-80318000O-RING 2,62X15,081
24DP-85275000OIL FILLER CAP1
25DP-82412000GASKET DIA. 45X9X1.51
26DP-81264600BALL BEARING DIA. 20X52X151
27DP-03001161SPACER1
28DP-94004776CONROD RING2
29DP-03001261SPACER1
30DP-80133100SHAFT RING D.451
31DP-03000509CONROD3
32DP-03000609PISTON3
33DP-81850250PISTON RING6
34DP-85200600PISTON PIN3
35DP-80000300RING DIA. 106
36DP-86318500SCREW M10X164
37DP-17001361COVER1
38DP-80226410OIL SEAL1
39DP-03001561SPACER1
40DP-03001726CRANKSHAFT "VF" VERSION1
40DP-03003826CRANKSHAFT "RT2" VERSION1
41DP-81293300BALL BEARING DIA. 45X75X161
42DP-03000701PISTON SLEEVE VERS. "VF" & "VC"3
42DP-03003601PISTON SLEEVE VERS. "RT2"3
43DP-86289300SCREW M8X5011
44DP-03002197KIT DIAPHRAGM WASHER/SCREW3
46DP-24304097SAFETY VALVE 40BAR (OPT)1
47DP-31148232PLAIN SAFETY CONE (OPT)2
48DP-84381000WASHER (OPT)4
49DP-86321200SCREW M10X20 (OPT)4
61DP-84358500WASHER2
62DP-86210800SCREW M6X162
63DP-31891697KIT1