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Valves The internal diameter of a ball valve is smaller than the pipe size that fits it, ie, a 25mm ball valve has an internal diameter of about 20mm which can restrict water flow. We recommend using a ball valve of the next size up and putting a reducing bush in each end to make it fit the desired pipe size. Non return valves should be mounted vertically otherwise debris can build up on one side of the valve seat preventing the valve shutting properly. Displaying 1 to 20 (of 33 products) Result Pages:  1  2  [Next >>]      Manufacturer   Product Name+   Price   Buy Now      FFF   3-way ball valve (25mm)   £35.74        FFF   3-way ball valve (32mm)   £37.78        FFF   3-way ball valve (40mm)   £52.14        FFF   3-way ball valve (50mm)   £63.40        FFF   3-way ball valve (63mm)   £107.35        FFF   Ball valve with double union (20mm)   £8.88        FFF   Ball valve with double union (25mm)   £9.97        FFF   Ball valve with double union (32mm)   £14.05        FFF   Ball valve with double union (40mm)   £16.33        FFF   Ball valve with double union (50mm)   £20.47        FFF   Ball valve with double union (63mm)   £29.36        FFF   Ball valve with double union (75mm)   £88.22        FFF   Ball valve with double union (90mm)   £104.74        FFF   Ball valve with double union coupler (40mm) electric 230 volt   £501.84        FFF   Ball valve with double union coupler (50mm) electric 230 volt   £544.74        FFF   Ball valve with double union coupler (63mm) electric 230 volt   £614.16        FFF   Non return valve (110mm)   £82.38        FFF   Non return valve (20mm)   £8.76        FFF   Non return valve (25mm)   £10.40        FFF   Non return valve (32mm)   £11.39    Displaying 1 to 20 (of 33 products) Result Pages:  1  2  [Next >>]

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Wednesday 19 June, 2013

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