All the well-known brands   

Piston Pumps For Sale - Now Available
A genuine Forrers 8" x 8" piston pump! Look at the size - look at the setup of the cylinders! There are no air chambers, nor are there any valve rubbers, no valve seats and no springs! So ... how can it work? It had four solid, high-density rubber balls to replace all of the above! Try as we may, we could not find any way to produce the four balls needed. Instead, we have had four bronze balls made of the same size - a photo has been included on the main "For Sale" page.
For the information of those who have been asking, some updated photos are shown below. To provide a better understanding of the dimensions of this pump, the following are some of its vital stats: height to top of the gearbox lifting point - 80 cm; pulley diameter - 76 cm; gearbox housing length - 108 cm; mid-section length - 46 cm; gland nut outside diameter - 12.5 cm; shaft - 4 cm x 1 m in length; centre plate and piston plates depth - 3 cm.
Note: The main gear had three teeth that had been chipped. These have now been repaired and are specifically shown in the first four photos below. The other two gearbox photos are to make sure that you can appreciate the wonderful condition that this pump is in!

We can't say too much about this pump because we don't know its history - and it can't tell us!! Our Forrers literature says that this pump has a 150' head and will pump between 4,200 and 7,560 gallons per hour (or 18,900 to 34,000 litres per hour) at between 25 and 45 strokes per minute (or 125 and 225 rpm) - and it will need between 5 and 10 hp to do that.

Now that it has been sandblasted, we have found a date on the back of the pump and a serial number - it is E23 and the date, which we can only assume is the manufacture date, is 28 April 1942 (about the middle of World War II). Just imagine the factory and the equipment which made this pump at that time - amazing!!

We have also substituted another stand for this pump to better match its size and more befitting such a special piece of equipment - the replacement stand comes complete with a raised section for mounting the motor and/or cooling reservoir.

Not shown in these photos are two vital parts - one of them is the balls which operate the pump. They are approximately 4" to 5" in diameter and quite heavy - it would seem that they fill the role normally done by the valves and springs etc! The other part is the end plate for each of the four cylinders - they are cast to bolt on to each cylinder with a rounded extrusion to allow the balls the rise and fall. Unfortunately, we inherited only two balls and one end plate, but we are working on that as well! We have had three more end plates cast and are currently seeking options for the four balls.

This is your opportunity to secure a piece of history and restore it to your own exacting standards - just imagine the masterpiece she will be when finished - and the "Wish I'd done that" regrets expressed by everyone else!!

Phone Alan on 0409 126 102 for more information.

Phone ALAN on 0409 126 102 or email him at Piston Pumps
All prices quoted are in Australian dollars
Copyright © Piston Pumps 2007 to 14 February 2021