24 VALVES

By

Rory Macnamara

Valves are known by different names and can be a cause of confusion .

Nonetheless , we provide the matrix as a reference to the names and applicable national standards . Manufacturers have provided and confirmed the information . For ease of reference each manufacturer is colour coded by name and cross .

It must be noted that all information was supplied by the manufacturer / distributor and published in good faith .

Where there is no SABS , we still list the valves on the matrix .

VALVE TYPES FOR PLUMBING AND WATER

Thermostatic mixing valve SANS 181 X X X X Pressure control valve ( PCV ) SANS 198 X X X X X X X X X X

Pressure reducing valve ( PRV ) SANS 198 X X X X X Safety valve or T & P valve SANS 198 X X X X X

Vacuum breaker SANS 198 X X X X X X X

Expansion Relief Valve SANS 198 X X Diverter Valve SANS 198 X X X X

Industrial valves – Ball valve of thermoplastic materials

SANS 16135

Thermostatic Tempering Valve SANS 1299 X X X X Float valve SANS 752 X Flush valves - automatic SANS 1240 Single control mixer taps SANS 1480 X Flush valve for WC cisterns SANS 1509 Vent valves SANS 1532 X Metering taps & valves SANS 1808 / 9 Non return valve , check valve SANS 1808 / 10 X X

Reduced Pressure Zone Backflow Preventer

Solenoid valve ( electronic only ) SANS 1808 / 35

SABS 1808 / 15 X X X X

Drain cock / Drain valve SANS 1808 / 53 X X X Strainers SABS 1808 / 58 Demand Taps and Valves SANS 1808 / 66 Anti-Freeze Valve No sabs X X Air Vent Valve No sabs X X X X Water Hammer Arrester No sabs X Air valves No sabs X X

X

www . plumbingafrica . co . za @ plumbingonline @ plumbingonline @ PlumbingAfricaOnline July 2021 Volume 27 I Number 5