Medium Pressure Diaphragm Pump - 1" HB Inlet x 1/2" 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-03004031	PISTON DIAPHRAGM	3
1	DP-03004000	DESMOPAN PISTON DIAPHRAGM	3
1	DP-03004036	HPS PISTON DIAPHRAGM	3
2	DP-03982197	VALVE ASSY.	6
3	DP-03020209	HEAD	3
4	DP-03002936	VALVE SEAL	6
5	DP-80321800	O-RING 3.0X22	1
6	DP-31151509	OUTLET FLANGE G.1/2	1
7	DP-31151761	FLANGE	1
8	DP-03000309	SUCTION COVER	1
9	DP-86213100	SCREW M6X18	3
10	DP-80321066	O-RING 2, 62X101,27	1
11	DP-80320830	O-RING 2, 62X36,14	1
12	DP-03000109	CRANKCASE	1
13	DP-86290000	SCREW M8X55	4
14	DP-03001461	MOUNTING RAIL	2
15	DP-80320000	O-Ring 2,62X22,22	1
16	DP-84054200	90 DEG. ELBOW CONNECTOR	1
17	DP-82004900	WING NUT M34	1
18	DP-83506210	NIPPLES G.3/4-M34	1
19	DP-03001631	VALVE SEAL	1
20	DP-86273000	SCREW M8X30	2
21	DP-84368500	WASHER DIA. 8,4X15X1,5	2
22	DP-23000832	OIL FILLER	1
23	DP-80318000	O-RING 2,62X15,08	1
24	DP-85275000	OIL FILLER CAP	1
25	DP-82412000	GASKET DIA. 45X9X1.5	1
26	DP-81264600	BALL BEARING DIA. 20X52X15	1
27	DP-03001161	SPACER	1
28	DP-94004776	CONROD RING	2
29	DP-03001261	SPACER	1
30	DP-80133100	SHAFT RING D.45	1
31	DP-03000509	CONROD	3
32	DP-03000609	PISTON	3
33	DP-81850250	PISTON RING	6
34	DP-85200600	PISTON PIN	3
35	DP-80000300	RING DIA. 10	6
36	DP-86318500	SCREW M10X16	4
37	DP-17001361	COVER	1
38	DP-80226410	OIL SEAL	1
39	DP-03001561	SPACER	1
40	DP-03001726	CRANKSHAFT "VF" VERSION	1
40	DP-03003826	CRANKSHAFT "RT2" VERSION	1
41	DP-81293300	BALL BEARING DIA. 45X75X16	1
42	DP-03000701	PISTON SLEEVE VERS. "VF" & "VC"	3
42	DP-03003601	PISTON SLEEVE VERS. "RT2"	3
43	DP-86289300	SCREW M8X50	11
44	DP-03002197	KIT DIAPHRAGM WASHER/SCREW	3
46	DP-24304097	SAFETY VALVE 40BAR (OPT)	1
47	DP-31148232	PLAIN SAFETY CONE (OPT)	2
48	DP-84381000	WASHER (OPT)	4
49	DP-86321200	SCREW M10X20 (OPT)	4
61	DP-84358500	WASHER	2
62	DP-86210800	SCREW M6X16	2
63	DP-31891697	KIT	1