Excel Industries stock an extensive range of Valves for use in the heating and plumbing industry. There are many different types of isolation valves available and it is important to take number points into consideration when choosing a valve to suit your particular application. They can be broken down into two groups depending on what fluid you wish to control. The valves we supply are used in either water systems or natural gas & LPG systems. Click on an image below to find more information on a particular type of valve.