Accessories and Spare Parts

Accessories

Foot Valve/Strainer – To improve priming and minimize debris entering the pump, it is recommended that a strainer be used with the system. Foot valve and strainer come with the MD3S pump.  

Injector – An injector can be provided with the pump for injecting into piping and vessels. It can also be used to prevent siphoning when pumping downhill.  Injectors are ordered separately. 

Tubing – (Suction and Discharge) – (Ordered separately) 1/2” ID Reinforced Tubing can be provided with the MD3S pump.   

Wall Mount Bracket (Shelf) – Blue-White offers a sturdy polyethylene Wall Mount Bracket for easy mounting on a shelf.    

Tanks – Blue-White has a variety of tank systems and cylindrical tanks available. 

Additional piping accessories– Blue-White can provide additional items for your system, including pressure gauges, pressure switches, pressure relief valves, calibration columns, back-pressure valves, pulsation dampeners, and strainers.   

Complete Skids  – Blue-White manufactures complete skids systems for ease in installation and set-up.  Visit our skid page for options.  

Spare Parts   

The MD3S Pump complete spare parts list is located in the Instruction Manual.  Recommended spare parts are list below: 

ITEM NO.	PART NUMBER	DESCRIPTION	QTY
1	91001-301	Nut Union, MD3	2
2	91001-295	.50” Barb Adapter, Straight	2
2	91001-296	.50” Barb Adapter, Elbow	2
2	91001-288	.50” M/NPT Adapter, Straight	2
2	91001-287	.50” M/NPT Adapter, Elbow	2
3	90003-577	O-ring 2-119 (Aflas)	6
3	90003-627	O-ring 2-119 (EP)	6
4	70001-504	Manifold, PVDF, Aflas	2
4	70001-505	Manifold, PVDF, EP	2
6	90002-350	Drive Head Insert	2
7	72000-583	Kit Diaphragm, DiaFlex	2
7	72000-601	Kit Diaphragm, Flex-A-Prene	2
8	70001-500	Cartridge Valve Kit (Aflas)	4
8	70001-501	Cartridge Valve Kit (EP)	4
9	90002-272	Pump Head	2
10	70004-541	Pump Head Face Plate	2
11	90011-094	Washer #10	16
13	90003-141	O-ring 2-018 (Aflas)	4
13	90003-610	O-ring (EP)	4
14	90002-353	Adapter	4
15	90008-651	Mounting Bracket	2
16	90011-063	Screw 8-32 x .37 RD PH	16
17	20000-226	Kit – 8 Ball check cartridges, Aflas	1
17	20000-227	Kit – 8 Ball check cartridges, EP	1