Medium Pressure Diaphragm Pump - 1" HB Inlet x 1/2" NPT Outlet-1703057719

• 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.

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:

• 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.

Part Breakdown

 

Reference Number	Part Number	Description	Required
1	DP-86356000	SCREW M10X65	8
2	DP-23000209	HEAD	3
3 & 4	DP-23004398	KIT DIAPHRAGM WASHER/SCREW	3
5	DP-23001131	DIAPHRAGM PISTON	3
6	DP-23002001	PISTON SLEEVE	3
7	DP-85275000	PLUG 1-1/2”	1
8	DP-81284600	BALL BEARING	1
9	DP-23001976	RING	1
10	DP-26004776	CONROD CLAMPING RING	1
11	DP-80137700	SEEGER RING	1
12	DP-23000509	CONNECTING RODS	3
13	DP-23000709	PISTON	3
14	DP-81850450	PISTON RING	6
15	DP-85200670	PISTON ROD PIN	3
16	DP-80002100	RING DIA. 15	6
17	DP-17001361	CAP	1
18	DP-86318500	SCREW M10X16	4
19	DP-80226410	O-RING	1
20	DP-17002476	SPACER	1
21	DP-23002326	CRANKSHAFT	1
22	DP-81297200	BALL BEARING	1
23	DP-23000832	OIL FILLER	1
24	DP-82006750	BARB NUT	1
25	DP-84056000	90 DEGREE HOSE BARB	1
26	DP-80320700	O-RING 2, 62X29, 82	1
27	DP-83508900	NIPPLES	1
28	DP-86273000	SCREW	2
29	DP-84368500	WASHER	2
30	DP-80318000	O-RING 2, 62X15, 08	1
31	DP-82412000	GASKET	1
32	DP-86356200	SCREW M10X70	4
33	DP-23001861	MOUNTING BRACKET	2
34	DP-23000109	CRANKCASE	1
35	DP-80213450	OIL SEAL	1
36	DP-80320980	O-RING 2, 62X50, 47	1
37	DP-80321068	O-RING 2, 62X120, 32	1
38	DP-23004609	CRANKCASE COVER	1
39	DP-86221600	SCREW M6X25	6
40	DP-86216800	SCREW M6X22	2
41	DP-31891697	DISCHARGE FITTING	1
42	DP-80321800	O-RING 3X22	1
43	DP-84554410	1/4 TURN VALVE	1
44	DP-80317600	O-RING 2, 62X11, 91	1
45	DP-80318900	O-RING 2, 62X18, 72	6
46	DP-23980597	VALVE ASSY	6
47	DP-23000309	END COVER	3
48	DP-86330000	SCREW M10X30	6
49	DP-80321920	O-RING 3X35	6
50	DP-80320700	O-RING 2, 62X29, 82	6
51	DP-80321900	O-RING 3X25	1