Oswald

Municipal

M4

Accessories and Spare Parts

Accessories

Strainer – To improve priming and minimize debris entering the pump, it is recommended that a strainer be used with the system.  A strainer is provided with the pump. Additional foot valve and strainer options are available.  

Injector – An injector is provided with the pump for injecting into piping and vessels. It can also be used to prevent siphoning when pumping downhill.   A standard injector is provided with the pump. Additional injector options are available. 

Tubing – (Suction and Discharge) – 1/2” Braided Tube can be provided with the pump for use with 1/2” Hose Barb connections. 1/2” Braided Tube is available as an option. Part number 90008-437, sold by the foot.   

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 M4S Pump complete spare parts list is located in the Instruction Manual.  Recommended spare parts are list below: 

M4S Pump Head Components 
ITEM NO. PART NUMBER DESCRIPTION QTY 
90011-217 Spacer 
Roller Assy for NL, NP tubes A4-MNL-R 
Roller Assy for TH, TK, TKK, THH tubes A4-MTH-R 
Roller for NH, NK, NHH, NHL, NHHL tubes A4-MNH-R 
Roller for NKL, NKKL tubes A4-MNKL-R 
Roller for GH, GK, GKK tubes A4-MGH-R 
Tube  (See below Tube Matrix) 
A4-SXX-C Pump Head Cover, Polycarbonate 
90011-183 Thumb Screw with 9/64” key drive (maximum torque 6-8 in-lbs) 
90007-128 Shaft Extension 
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Roller Assembly Parts 
ITEM NO. PART NUMBER DESCRIPTION QTY 
76010-042 A4 Rotor Body 
76002-038 Spider Ring 
90011-267 Captive Screw 
 71010-799 A4 Rotor Assy (1, 2, and 3) 
71010-771 Arm Roller Guide Assy 
71010-766 Arm Roller (pinch) NL/NP 
71010-767 Arm Roller (pinch) TH / TK / TKL / THH 
71010-768 Arm Roller (pinch) NH / NK / NHH / NHL / NHHL 
71010-769 Arm Roller (pinch) NKL / NKKL 
71010-770 Arm Roller (pinch) GH / GHH / GK / GKK 
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