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litres of rain falling on your roof, your filter will collect 98 litres of it. 
 
PURAIN rainwater filters are designed to filter rainwater coming off roofing made from clay brick, 
shales,  tiles,  metal,  glass  or  concrete  stone.  Different  sized  PURAIN  models  can  be  installed 
covering roof areas up to 15,000 m². 
 
PR-150-S models offer the following features: 
 

 

High collection efficiency - collecting 98% of all rainfall falling on your roof; 

 

Efficient filtering of roof areas up to 750m2; 

 

Designed for connection to DN150 discharge piping; 

 

Built-in overflow skimmer to constantly clean debris floating on the tank water (PR-150-S only); 

 

Hydraulic jump design 

– self-cleaning feature; 

 

Minimal maintenance required; 

 

Generally, only one filter needed for each building/project 

– even if multiple tanks are used; 

 

0.8mm removable stainless-steel filter strainer; 

 

European manufacture 

– sturdy injection-molding that will outlast the life of LDPE tanks; 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Above:

 Integrated skimmers on PR150-S version   

Above:

 PR150-S versions feature 

clean the surface of the tank water each time 

 

a removable 0.8mm stainless-steel 

there is an overflow = better water quality    

 

trapezoidal filter grid 

 

 

 

 

  

 
 

3.  Accessories 

 

Cover for PR-150-S and PR-150-200-S incl. chamber connection 

 

 
The quick-lock chamber connection fitting allows for the 

PF  300-S

  chamber  extension  or 

PF  300-C  cap

 

accessories to be used 
 
 
The 

PR-150-C  lid

  is  used  when  in-ground  or  externally 

wall  mounting  the  PR-150-S  and  PR-150-S  o.SK 
versions. 
 
 

 
 

Summary of Contents for PR150-M

Page 1: ...0 PURAIN 150 S versions Hydraulic jump rainwater filter German engineering High efficiency self cleaning patented Instruction and Installation Guide www intewa de...

Page 2: ...PR150 S for standard in tank cistern installation incl skimmers 210143 PR150 S oSK for out of tank or in ground installation has no skimmers 210149 PR150 M for monsoon high flow use For in tank ciste...

Page 3: ...ld rainfall is termed light events measured as less than 6mm in 5 minutes 3 of world rainfall is termed heavy events measured as more than 6mm in 5 minutes As most other filters cannot adequately coll...

Page 4: ...ulic jump design self cleaning feature Minimal maintenance required Generally only one filter needed for each building project even if multiple tanks are used 0 8mm removable stainless steel filter st...

Page 5: ...flushing can either be supplied manually through a tap or automatically via a time controlled solenoid valve PR RSDS 150 200 back flushing nozzle for PR 150 M PR150 M without baffle means there is no...

Page 6: ...300 l s ha and a slope of 1 5 The discharge coefficient indicates by what factor the amount of rain discharged may be reduced due to the type of roof used considering water fall velocity evaporation...

Page 7: ...roper skimming of the surface water the PR 150 S must be installed without any lateral tilt filter sides must be level A separate tank overflow does not need to be installed even if multiple tanks are...

Page 8: ...chamber NOTE This kind of installation requires a PR 150 S o SK version filter because it comes without skimmer unnecessary outside of the tank NOTE Take into consideration the overflow pipe levels t...

Page 9: ...t and leaves found in the discharge area need not be removed because they will be flushed out through the overflow with the next heavy rainfall If water has accumulated in the discharge area then the...

Page 10: ...e of the products due to faulty or poor installation Any changes to design modification or addition of non specified parts will void this warranty Always retain your purchase invoice during the warran...

Page 11: ...10 INTEWA GmbH Version 0 3rsa Subject to technical changes...

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