Plumbing Africa May 2023 | Page 32

30 FEATURE
VALVE TYPES FOR PLUMBING AND WATER
TYPE
* SANS DESIGNATION
HOT WATER STORAGE
WATER SUPPLY domestic
WATER SUPPLY commercial
WATER SUPPLY industrial
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
X X X
X X X
Pressure reducing valve ( PRV )
SANS 198
X X
X X X
X
X
X
X
Safety valve or T & P valve
SANS 198
X X X
X
X X
X
X
X
Vacuum breaker SANS 198
X X X X
X X
X X X X X
Expansion Relief Valve SANS 198 X X X X X X X X X Diverter Valve SANS 198 X X X X
Industrial valves – Ball valve of thermoplastic materials
SANS 16135 X X X
Thermostatic Tempering Valve
SANS 1299
X X
X X
X
X
Float valve
SANS 752
X X
x
Flush valves - automatic
SANS 1240
x
x
X
x
Single control mixer taps
SANS 1480
x
X X
X X
x
Flush valve for WC cisterns
SANS 1509
x
x
Vent valves
SANS 1532
X
x
Metering taps & valves
SANS 1808 / 9
X
x
Reduced Pressure Zone Backflow Preventer
SANS 1808 / 15 X X X X
Demand tap Drinking fountain
SANS 1808-16
x
X
x
Solenoid valve ( electronic only )
SANS 1808 / 35
Drain cock / Drain valve
SANS 1808 / 53
X X
X X
X
X
X X
X
Demand Taps and Valves
SANS 1808 / 66
x
x
x
Anti-Freeze Valve
No sabs
X
X
X
X
Air Vent Valve
No sabs
X
X
X
X
Water Hammer Arrester
No sabs
X
x
Air valves
No sabs
X
X
X
X
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www . plumbingafrica . co . za @ plumbingonline @ plumbingonline @ PlumbingAfricaOnline May 2023 Volume 29 I Number 3