Page 51 - Building services book

• Gate valve –

- Used for the control of fluids in low pressure system.

- Such as on distribution pipework from storage cisterns

or low pressure heating systems

• Drain valve –

Used to drain boilers, cylinders and section of pipework.

• Ball valve –

Used to supply water to storage and flushing cisterns and

to automaticly shut off the supply when the correct water

level has been reached.