Anderson

One defining features for Anderson pumps is the head construction.
They have a brass Valve Plate with the Valve Assemblies screwed both sides.
The Valve Plate sits above the Head with the liner in, and has another dome like part on the top (Valve Cover).

This will be held down by Large Brass Nuts. The number of brass nuts will be a great help identifying.

The 253/402 has one brass nut. This is a small pump.

The 355 has also has one, but is a medium size pump.

The 605 has two brass nuts.

The 1105 has six brass nuts. 

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MacEwans H Series

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Renown-WH Price

There are large variety of Renown Pumps.
The most common of the range is the The Renown 150, 200, and 400. 

• All three pumps have a similar design.
• The back end and water end are all in one part.

• The 150 and 200 share the same main body.
The different being that the 150 has 5 bolts around the outside of the Side Cover to handle the high pressures they can produce.

• The 400 is a similar shape but large in scale.

Please note: that there was a change in shape of the Head/Side Covers for the 150/200.
The older design is a pear like, rounder shape, with the newer design being more square.

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Track B1&C1

The smaller B1 (300) is the smaller at 36kgs and 600mm long. 

• These pumps have their Valve Assemblies stacked on the Head.
• The Delivery Side is on the top of the pump with the Valve Post and assembly vertical on the Head.
• The Suction side is at the bottom of the pump below the Liner and Plunger assembly.
• The Valve Post and Assembly is horizonal in the Head.

The C1 (500) is the larger of the two at 90kgs and about 900mm long.

• The suction Valves Caps on both the B1 and C1 are held by a Bolt and Clamp.
• The Delivery Valves are cover by a Air Chamber, on the B1, it is a square shaped cover. On the C1, it is a bell shaped form. 

Please note that the Valve Seat are different for the Suction and Delivery,
The Delivery Valve Seat has a groove in the face. The Suction Valve Seat has a plain face.

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Wallace-Powerflo

The PowerFlo range all share the same backend and head design.

• The Head shares a design with the MacEwans H series and Renown 900 series.

• The Suction Valve Assembly are on the side of the Head and at an angle to the Liner and the Delivery Valves.

• The Delivery side has a Chamber which is screwed into the Head.

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