Medium Pressure Diaphragm Pump - 1" HB Inlet x 3/4" NPT Outlet

• 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-23001131	PISTON DIAPHRAGM	3
2	DP-23980597	VALVE ASSY	6
3	DP-23005597	SS DIAPH WASHER & BOLT	3
5	DP-23005209	HEAD	1
6	DP-23003801	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 ROD	3
13	DP-23004009	PISTON	3
14	DP-81851400	PISTON RING	6
15	DP-85200700	PISTON PIN	3
16	DP-80002100	RING	6
17	DP-17001361	CAP	1
18	DP-86318500	GALV. SREW M10X16	4
19	DP-80226410	O-RING 68X90X10	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	WING NUT	1
25	DP-84057100	90 DEGREE ELBOW	1
26	DP-80320700	O-RING 2,62X29,82	1
27	DP-83509018	NIPPLE	1
28	DP-86273000	SCREW M8X30	2
29	DP-84368500	WASHER	2
30	DP-80318000	O-RING 2,62X15, 08	1
31	DP-82412000	GASKET	1
32	DP-8635900	SCREW M10X80	8
33	DP-23003361	MOUNTING BRACKETS	2
34	DP-23000109	CRANKCASE	1
35	DP-80213450	RETAINING RING	1
36	DP-80320980	O-RING	1
37	DP-80321068	O-RING	1
38	DP-23004609	CRANKCASE COVER	1
39	DP-86221600	SCREW M6X25	6
40	DP-86216800	BOLT 6X22MM	2
41	DP-31109609	DISCHARGE	1
42	DP-80321800	O-RING	1
43	DP-84554410	TURN VALVE	1
44	DP-80317600	O-RING 2,62X11,91	1
45	DP-80318900	O-RING 2,62X18,72	6
46	DP-86357500	BOLT 10X75MM	4
47	DP-23000309	END COVER	3
48	DP-86330000	SCREW M10X30	6
49	DP-80321920	O-RING	6
50	DP-80320700	O-RING	6
51	DP-80321900	O-RING	1
56	DP-86060850	AIR VALVE	1
57	DP-23004131	BALLASTER DIAPHRAGM	1
58	DP-23003909	DAMPER BODY	1
59	DP-80318200	O-RING	1
60	DP-85257900	PLUG 1-1/2	1
61	DP-82410700	GASKET	1
62	DP-86398500	SCREW M12X50	1
63	DP-80321300	O-RING	1
64	DP-11000409	BALLASTER COVER	1
65	DP-86273000	SCREW M8X30	4