Low Pressure Poly Diaphragm Pump - 2" HB Inlet x 1" NPT Outlet

• The heads are designed with a patented technology that includes an aluminum die-cast core inside a polypropylene structure offering superior strength.
• Washers and diaphragm bolts are in 316 stainless steel, an exclusive feature.
• Die cast crankcase incorporating a new cooling system.
• New chemically resistant diaphragm material pre-deformed to reduce the amount of deflection, increasing diaphragm life. The diaphragm material is compatible with most of the corrosive chemicals on the market today.
• A short crankshaft stroke means the longest life possible.
• New connecting rods in special bronze alloy offer economical and trouble free service.
• 316 stainless steel inlet and outlet check valves.

The John Blue 2-piston, semi-hydraulic, Diaphragm Pump is ideal for gardening, small sprayers, washers, and liquid transfer. It's compact and lightweight and can be driven by PTO, electric motor, or gasoline engine, depending on your specific application needs. All wetted parts are plastic coated to withstand today's agricultural and industrial chemicals. The diaphragms are constructed from chemical resistant elastomers for excellent corrosion resistance.

Features & Benefits:

1. The heads are designed with a patented technology that includes an aluminum die-cast core inside a polypropylene structure offering superior strength.
2. Washers and diaphragm bolts are in 316 stainless steel, an exclusive feature.
3. Die cast crankcase incorporating a new cooling system.
4. New chemically resistant diaphragm material pre-deformed to reduce the amount of deflection, increasing diaphragm life. The diaphragm material is compatible with most of the corrosive chemicals on the market today.
5. A short crankshaft stroke means the longest life possible.
6. New connecting rods in special bronze alloy offer economical and trouble free service.
7. 316 stainless steel inlet and outlet check valves.

Part Breakdown

 

Reference Number	Part Number	Description	Required
1	DP-95004000	DESMOPAN PISTON DIAPHRAGM	3
2	DP-28980997	SS VALVE ASSY	6
3	DP-53000732	HOUSING	1
4	DP-80214310	OIL SEAL DIA. 35 X 52 X 7	1
5	DP-80331000	O-RING 4, 0 X 82	1
6	DP-81283700	BALL BEARING DIA. 35 X 62 X 14	1
13	DP-26004776	RING	2
14	DP-23000509	CONNECTING ROD	1
15	DP-95009761	CRANKSHAFT SPACER	1
16	DP-81264600	BALL BEARING DIA. 20 X 52 X 15	1
17	DP-86326550	SCREW M10 X 25 UNI5931	3
18	DP-63000661	MOUNTING RAIL	1
19	DP-63000109	CRANKCASE	1
20	DP-80318000	O-RING 2, 62 X 15, 08	1
21	DP-84368540	WASHER DIA. 8, 2 X 15 X 1, 5	2
22	DP-86268400	SCREW M8 X 25 UNI5931	2
23	DP-23000832	OIL FILLER	2
24	DP-82412000	GASKET DIA. 45 X19 X 1, 5	1
25	DP-85275000	OIL FILLER CAP	1
26	DP-80002100	RING DIA. 15	6
27	DP-85200670	PISTON PIN DIA. 15	3
28	DP-63001409	PISTON	3
29	DP-81850450	PISTON RING	3
30	DP-63001501	PISTON SLEEVE	3
31	DP-86318705	SCREW M10 X 16 UNl5739	4
33	DP-63980197	KIT SCREW/DISK INOX	3
34	DP-84380500	WASHER DIA. 10,5 X 21 X 2	12
35	DP-86356250	SCREW M10 X 70 UNl5931	12
36	DP-86300105	SCREW M8 X 75 UNl5931	3
37	DP-84369700	WASHER 8,4 X 18X2	3
38	DP-82006750	WING NUT G. 1-1/4"	1
39	DP-84054240	90° ELBOW CONNECTOR DIA. 25	1
40	DP-80321905	O-RING 3,0 X 25 VITON	1
41	DP-83508950	NIPPLES G. 1" - G. 1-1/4"	1
42	DP-80321850	O-RING, 3 X 22 VITON	1
43	DP-63011032	MANIFOLD	1
44	DP-17001661	FLANGE	1
45	DP-80332070	O-RING, 5,0 X 40 VITON	6
46	DP-28022932	VALVE ASSY SPACER	4
47	DP-80321990	O-RING, 3,0 X 39 VITON	4
49	DP-63002232	HEAD	3
50	DP-85258600	CAP G. 3/8	1
53	DP-80321915	O-RING 3, 0 X 30 VITON	1
54	DP-84057100	90° ELBOW CONNECTOR DIA. 38	1
55	DP-82007000	WING NUT G. 1-1/2"	1
75	DP-86369465	SCREW M12 X 20	1
76	DP-82406600	GASKET, 13,2 X 17 X 1 COPPER	1