Questionnaire for backflow traps


 Position: Project:

 
Medium:
  Surface water Sea water
  Waste water Drinking water
Others:
 
Usage:
for open air drainage
at the end of a pressure pipeline with soft stop control
at the end of a pressure pipeline but no soft control
trap continuously submerged trap mostly dry
trap should open easily
space for counterbalance available vertical wall
 
Design:
Dimensions in mm
round DN:  
rectangularclear width: clear height:
special style:
 
Water pressure:
Static: front side up to 0,6 bars
  deviating pressure  bars
 
Fixing:
dowelling (anchoring) set in concrete flange mounted welded
on KG pipe baffle end on KG pipe spigot end
Others:
pipe outer diameterØ mminside diameterØ mm
    
Fixing parts:
compound anchor A4 steel screws zinc-plated A2 A4
 
Materials:
Frame: GG 20 St 37-2 St 37-2 galv. 1.4301 1.4571
Cover GG 20 St 37-2 St 37-2 galv. 1.4301 1.4571
Axis: 1.4104 1.4305/A2 1.4571/A4  
Seal: soft sealing metallic sealing
standard parts (norm parts): St galv. A2 A4  
 
Rust-proofing:
standard rust-proofing:1 coat of Inertol 49 W thick  
special rust-proofing:sand blasted SA 2,5
3 coats Inertol Poxitar SW		1 coat Friazinc R
spezial rust-proofing  
for drinking water:sand blast de-rusting SA 2,5
3 coats Icosit K 25 thick		1 coat Friazinc R
1 coat Icosit K 25
 
 
others:
 
Your inquiry from: 18.05.2012    Time:20.13
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