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Buyers Guide - Water Pumps

Machine Mart

Buyer's Guide to Water Pumps

Water Pump Buyers Guide. There are a wide variety of water pumps on the market, all designed with specific tasks in mind. There are a number of factors which should be taken into consideration when picking the ideal pump for your job. The type of water which is to be pumped. Is it -

Type of water
Machine Mart’s solution
For a domestic water supply? Clarke CPE, CBM, CBB and ranges and CSD3
Central heating ? Clark CHP55
Swimming pool? Clarke SPP range
Ponds and waterfalls? Hozelock pond pumps or Oase
Clean? Clarke Hippo, CSE range
Salt or fresh water? Salt water – Clarke CSW1A
Containing floating solids? Clarke GSE and ISP ranges
Sewage? Clarke ISP range and HSEC400A
Trash and small stones Clarke CHS or CHF ranges


Where the water has to be pumped to and from.
  • Can the pump be submerged in the water? Many Clarke pumps are submersible.
  • Do you want the pump on dry land with a hose picking up the liquid? Choose a model with a suction hose facility.

    Is the job a continuous operation or occasional?
  • For continuous use. Look at Clarke GSE range.
  • Do you need the pump to stop/start automatically? Buy a pump with a float switch or fit one.

    How will you power the pump?
  • Electricity? 240v Clarke Hippo, CSE, PSV, HSE, GSE or CPE ranges 110V Clarke Hippo, GSE or CPE ranges 400V Clarke CPE range 12V MSP
  • Petrol? Clarke CHS, CHF, CM or CH ranges
  • Diesel? Use Clarke CRD2 or 3
  • By power drill? Use a drill powered pump
  • By hand? Clarke PP range

    When looking at the specification of a water pump, there are several figures which you should take into account, to make an informed choice.
  • Maximum head – shown in metres – lets you know the maximum height to which water can be raised above the pump. The size and length of output hose and type of liquid will affect this.
  • Maximum output rate – shown in litres per minute or hour (l/min or l/hr)- this tells you the maximum output flow rate of the pump, the head will also affect the output flow rate.
  • Outlet size – usually shown in inches, indicates the maximum hose bore which will fit on the pump. The size of output hose will affect the flow rate and head figures.
  • Motor Watts – the power consumed by the pump.
  • Voltage – the electrical supply required for the pump Machine Mart sells 240V, 110V and 12V pumps
    Other words you will see in association with pumps
  • Non return valve – Stops the pumped water flowing or siphoning back down the pipe if the pump stops.
  • Float switch- Switches the pump on and off at pre-determined limits.
  • Filter – Stops unsuitable objects from entering pump.
  • Submersible – May be entirely placed in the water to be pumped.
  • Anti silt base- Stops a submersible pump sucking up too much silt and becoming blocked.
  • Self priming – Pump and hoses do not need to be full of water before switching on.
  • Overload protection – Protects the pump.
  • Brass foot valve/filter – Combined filter and non-return valve.
  • Clarke MIG Welder 135TE (Turbo) Engine Driven Pumps
    Submersible Pumps - Dirty & Clean Water Engine Driven Pumps
    Water Pump Sewage Pumps
    Booster & Centrifugal Water Pumps Sewage Pumps

    Copyright ©2012, Machine Mart Limited, 211 Lower Parliament Street, Nottingham NG1 1GN Tel: 0871 410 1250

    Machine Mart 2014 All rights reserved. Machine Mart Ltd 211 Lower Parliament Street, Nottingham NG1 1GN Tel: 0871 410 1250