Blue-White - Chemical metering and fluid measurement solutions; chemical metering pumps, peristaltic pumps, diaphragm pumps, multi-diaphragm pumps, flow meters, flowmeters, variable area flow meters, paddlewheel flow meters, ultrasonic flow meters, engineered skid systems, single skid system, duplex skid system, triplex skid system, water analyzers...
Oswald

Municipal

M4 (Legacy)

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. 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.  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 M4 Pump complete spare parts list is located in the Instruction Manual.  Recommended spare parts are listed below: 

M4 (Legacy) 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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The M4 (Legacy) Roller assembly parts can be ordered individually.  This is beneficial when only replacing one roller, or when changing to a new tube style which requires different pinch rollers.   

M4 (Legacy) 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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