NGf L CYMRU GCa D PLUMBING TOOLS www

NGf. L CYMRU GCa. D PLUMBING TOOLS www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D Blow torches are used to heat metal during soldering. Gas can be supplied via a portable, reusable gas bottle. www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D Above: portable blow torch with disposable gas cylinder. www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D Flux is applied to prevent oxidisation of the surfaces of connectors. www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D Pipe work is heated using a blow lamp. Solder is melted to a liquid with the blow lamp, and is used to weld connectors and pipes together. Once cooled, the solder returns to a solid, forming a watertight seal. www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D Left: oxy-acetylene bottles. One bottle contains oxygen, the other contains acetylene, which is a fuel source. The gasses inside the cylinders are compressed and are in liquid form: once the gasses leave the cylinder, they become gas and are mixed to form a flammable mixture. www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D THE FIRE TRIANGLE HEAT FUEL OXYGEN In order for anything to burn, 3 elements, as above, need to be in place. Oxy-acetylene welding & burning provides these elements. www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D Top left: oxy-acetylene torch just after ignition: bottom left: torch at full temperature. Below: welding lead using oxy-acetylene torch. www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D Pipes are bent to shape using pipe bending tools. The series of images shown next show pipe being bent. www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D Above: a selection of tools commonly used in plumbing. These are labelled on the following slide. www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D Grips Dust Pan & Brush Junior Hacksaw Gas Bottles Plumb / string line Hacksaw www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D Adjustable spanner being used to tighten a radiator valve. www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D Grips being used to tighten a sink waste pipe. www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D A weir flow gauge is used to determine the rate of water flow. www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D Hammer. www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D Above: slotted screwdriver. Below: Phillips screwdriver www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D Differential temperature gauge, used to measure difference in temperature between the flow and return of a combination boiler. www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D A manometer, used to measure pressure. www. ngfl-cymru. org. uk

PLUMBING TOOLS NGf. L CYMRU GCa. D Test & training mock up of a typical domestic hot water system. www. ngfl-cymru. org. uk