High Pressure Diaphragm Pump - 1-1/2" HB Inlet x 3/4" NPT Outlet

• 4-diaphragm designs.
• Ideal for air blast sprayers, poultry house washers and industrial machinery.
• All fluid end-housing components are anodized aluminum.
• Valves are stainless steel with exclusive spheric section shaped design for perfect sealing.
• Diaphragms are made from chemical resistant elastomers, which increases the pump's life even when they are used with aggressive agricultural and industrial chemicals.

The John Blue High-Pressure Diaphragm Pumps are an excellent choice for high-pressure sprayers, such as air blast sprayers and poultry house washers and industrial machinery. These three and four diaphragm semi hydraulic diaphragm pumps are designed to ensure a perfect mechanical balance and better volumetric distribution of the liquid. The John Blue High-Pressure Diaphragm Pumps are factory equipped with the unique pulsation dampening system with 34 holes that absorbs pulsation pressure on all pistons equally.

All fluid end-housing components are anodized aluminum. The valves are stainless steel with exclusive spheric section shaped design for perfect sealing. Our diaphragms are made from chemical resistant elastomers, which increases the pump's life even when they are used with aggressive agricultural and industrial chemicals.

Features & Benefits:

1. Oversized, separate suction and pressure circuits create a smooth flow of the liquid product with no pressure loss.
2. Convenient visual oil tank fitted with matched diaphragm to ensure correct oil level.
3. Check valves can be serviced easily, minimum maintenance.
4. Crankshaft stroke reduced, which increases diaphragm life because diaphragms are not stressed.
5. Unique pulsation damper system provides dampening on 32 circuits instead of one, which reduces vibrations and allows for smoother operation.
6. Four diaphragm material options are available, contact factory.
7. Special check valve design: unique spherical shaped poppet and conical seat made of 316 stainless steel, delivering high volumetric efficiencies.
8. Pre-set diaphragm bolt and diaphragm washer are made from 316 stainless steel. This exclusive feature ensures chemical resistance and longer life of the pump.
9. Two piston rings for each piston, this exclusive design increases diaphragm efficiency.
10. Parts in contact with chemical products are constructed with die-cast aluminum, covered with special corrosion proof treatment.

Exclusive Technology: Pumps come standard with internal pressure dampener. Standard, interchangeable parts for reduced inventory and best service. Full range: 2, 3, 4, 5, 6 diaphragms available.

Part Breakdown

 

Reference Number	Part Number	Description	Required
1	DP-95004031	BUNA-N PISTON DIAPHRAGM	4
2	DP-35980297	VALVES ASSEMBLY	8
3	DP-86273000	SCREW M8x30	20
4	DP-86275200	SCREW M8x35	8
8	DP-41010509	BALLASTER COVER	1
9	DP-41012097	NBR BALLASTER DIAPHRAGM	1
10	DP-41010409	LOWER BALLASTER	1
11	DP-41011361	MOUNTING RAIL	2
12	DP-86326500	SCREW M10x25	5
13	DP-84554410	LEFT TAP G.3/8-G.1/2	1
14	DP-14001772	GASKET	1
15	DP-86326500	SCREW M10x25	5
16	DP-41020509	CONROD	4
17	DP-80002100	RING DIA.15	8
18	DP-85200700	PISTON PIN DIA.15x54	4
19	DP-37001609	PISTON	4
20	DP-81852700	PISTON RING	8
21	DP-43001501	PISTON SLEEVE	4
22	DP-41983597	KIT DISK + SCREW INOX	4
23	DP-80321910	O-RING DIA. 3.0x30	1
24	DP-84059100	90° ELBOW CONN	1
25	DP-82007000	WING NUT G.1-1/2"	1
29	DP-41011209	INLET COVER "VD"	1
30	DP-80219000	OIL SEAL DIA.40x72x10 "VD"	1
31	DP-80329500	O-RING DIA.3,53x190,10	1
32	DP-80321070	O-RING DIA.2,62x126,67	1
33	DP-80329100	O-RING DIA.3,53x88,5	1
34	DP-81291300	BEARING 40X90X23	1
35	DP-14020419	CONROD HOLDING RING	2
36	DP-41020026	CRANKSHAFT "VD"	1
37	DP-41020619	SHAFT RING	1
38	DP-81291900	ROLLER BEARING 40X80X18	1
39	DP-40980197	OIL FILLER ASSY	1
40	DP-84358500	WASHER DIA.6	2
41	DP-86221600	BOLT M6X25	2
42	DP-14011632	DIAPHRAGM SPACER	1
43	DP-41001731	OIL FILLER DIAPHRAGM	1
44	DP-28014432	OIL FILLER COVER	1
45	DP-86425000	SCREW, M14X70	16
46	DP-41011109	PUMP HEAD	4
47	DP-80325100	O-RING DIA.3,53x32,93	8
48	DP-80326200	O-RING DIA.3,53x41,28	8
49	DP-41011009	VALVE COVER G.3/8"	4
50	DP-82410700	GASKET	2
51	DP-85257900	CAP G.3/8"	2
52	DP-86330000	SCREW, M10x30	16
53	DP-84554400	RIGHT TAP, G.3/8"-G.1/2"	1
54	DP-80136900	SNAP RING DIA.52	1
55	DP-80217810	OIL SEAL DIA.40x52x7	1
56	DP-41013309	CRANKCASE	1
57	SC-81490900	BRASS NUT G.3/4"	1
58	DP-83506328	60° ELBOW CONN.	1
59	DP-80320000	O-RING DIA.2,62x22,22	8
60	DP-41010909	VALVE COVER	4
65	DP-82407900	WASHER	1
66	DP-85254350	CAP G.1/4"	1
67	DP-24305097	SAFETY VALVE 50 BAR (OPT)	1
76	DP-81302400	NEEDLE ROLLER BEARING	2
79	DP-31135228	FLANGE FOR VALVE COUPLING G.3/4"	1
80	SC-81454200	NUT M6	2
81	DP-86216000	SCREW TE M6x20	2
82	DP-83504000	SLEEVE G.3/4	1
83	DP-83504100	EXTENSION G.3/4	1