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Code 533550 AUS

3-way pressure reducing valve 

Size 20 mm (3/4”)

Female connections (ISO 7/1)

Function

Pressure reducing valves are installed in residential water systems to reduce and stabilise inlet 
pressure from the water mains supply which is generally too high and variable for domestic 
appliances to function properly.
These valves can also be used to control inlet pressure to domestic hot 
water storage. The Caleffi 5335 series have been specifically designed and 
manufactured to meet the requirements of “AS1357.2:2005 Valves primarily 
for use in warm and hot water systems - P. 2: Control valves”.

Inclined pressure reducing valves

Technical specifications

Materials:

Body: 

dezincification resistant alloy       EN 12165 CW602N

Cover:                    

PA6G30

Control spindle:                              

dezincification resistant alloy       EN 12164 CW724R

Cartridge: POM

Components: 

dezincification resistant alloy       EN 12164 CW724R

Diaphragm: EPDM

Seals: NBR-EPDM

Strainer: 

stainless steel EN 10088-2 (AISI 304)

Plug (3 way model):                                                                                                 PPAG40

Performance:

Pressure setting range:  

100–600 kPa; 

 

100–500 kPa (code 533550)

Factory setting: 

500 kPa

Max. inlet pressure: 

1600 kPa

Max. working temperature: 

40°C

Medium:  

water

Complies with: 

AS 1357.2

Code 5335.. AUS

Pressure reducing valve

Sizes 15 mm (1/2”) and 20 mm (3/4”)

Female connections (ISO 7/1)

Product range

5335 series

AS 1357.2

C of C 02467

Installation, commissioning and servicing instructions

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38538.10

www.caleffi.com

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