Low Pressure Poly Diaphragm Pump - 2" HB Inlet x 1" NPT Outlet-1703057689

• 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-62004036	HPS PISTON DIAPHRAGM	5
1	DP-62004000	DESMOPAN PISTON DIAPHRAGM (OPT)	5
2	DP-28980997	SS VALVE ASSY	10
3	DP-80331450	O-RING 4, 5 X 40, VITON	10
4	DP-28022932	VALVE ASSY SPACER	5
5	DP-80320930	O-RING 2, 62 X 42, 52 VITON	5
6	DP-62002532	HEAD	5
7	DP-84384450	WASHER DIA. 12, 2 X 21 X 2, 5	20
8	DP-86406800	SCREW M12 X 75 UNI5931	20
9	DP-62004551	DIAPHRAGM LOCKING BOLT	5
10	DP-28008568	DISK	5
11	DP-62001901	PISTON SLEEVE	5
12	DP-81854000	PISTON RING DIA. 78	5
13	DP-62001809	PISTON DIA. 78	5
14	DP-85200670	PISTON PIN DIA. 15	5
15	DP-80002100	RING DIA. 15	10
16	DP-80318000	O-RING 2, 62 X 15, 08	1
17	DP-84368550	WASHER DIA. 8, 2 X 15 X 1 , 5	2
18	DP-86268250	SCREW MS X 35 UNI5931	2
19	DP-55000432	OIL FILLER	1
20	DP-80310920	O-RING 1, 8 X 67	1
21	DP-28004432	OIL FILLER CAP	1
22	DP-86160850	AIR VALVE	1
23	DP-86275210	SCREW MS X 35 UNI5931	4
24	DP-11000409	BALLASTER COVER	1
25	DP-23004131	BALLASTER DAIPHARGM	1
26	DP-80321300	O-RING 3, 0 X 6	1
27	DP-81457450	NUT MS UNI5588	4
28	DP-27003532	DAMPER BODY	1
29	DP-80321910	O-RING 3, 0 X 30	1
30	DP-84368550	WASHER DIA. 8, 2 X 15 X 1, 5	20
31	DP-86299000	SCREW MS X 70 UNI 5931	20
32	DP-80321910	O-RING 3, 0 X 30	1
33	DP-83508900	NIPPLE G.1" - G.1-1/4"	1
34	DP-80321900	O-RING 3, 0 X 25	1
35	DP-84054240	90 Degree ELBOW CONNECTOR DIA. 25	1
36	DP-82006750	WING NUT G.1" 1/4	1
37	DP-55000832	MAINFOLD PIPE G.1"	2
38	DP-80325000	O-RING 3, 53 X 31, 34	10
39	DP-55000932	MAINFOLD PIPE G.3 /8"	2
40	DP-85257600	CAP G.3/8"	2
41	DP-55000632	MAINFOLD PIPE	5
42	DP-55000732	MAINFOLD PIPE G.2"	1
43	DP-80320910	O-RING 2, 62 X 40, 95	2
44	DP-84061000	90 Degree ELBOW CONNECTOR DIA. 50	1
45	DP-82012000	WING NUT G.2"	1
46	DP-86256250	SCREW MS X 20 UNI5931	6
47	DP-14001109	COVER	1
48	DP-91011072	COVER GASKET	1
49	DP-80214310	OIL SEAL DIA. 35 X 52 X 7	2
50	DP-81287600	BALL BEARING DIA 35 X 100 X 25	1
51	DP-14001601	SHAFT SPACER	2
52	DP-14000926	CRANSHAFT POLYPUMP 260	1
53	DP-86413900	SCREW M12 X 160	3
54	DP-81468950	M12 UNI 5589 DACROMET NUT	3
55	DP-86369450	SCREW M12 X 20 UNl5931	1
56	DP-82407900	GASKET DIA. 13, 2 X 17 X 1 COPPER	1
57	DP-55000361	MOUNTING RAILS	2
58	DP-55000109	CRANKCASE	1
59	DP-14001576	CONROD RING	2
60	DP-55000511	CONNECTING ROD	5
61	DP-81286700	BALL BEARING DIA. 35 X 80 X 21	1
63	DP-84371000	WASHER DIA. 8, 5 X 24 X 2	2
64	DP-86268250	SCREW MS X 25 UNI 5931	2
65	DP-31146832	PLAIN SAFETY CONE (OPT)	1
66	DP-80136900	RING DIA. 25	1
67	DP-85271000	CAP G.1"	1