FK-4 RPZ backflow preventer outlet type BA

figure 367 01

  • to protect drinking water against backflow of fluids up to and including category 4 according DIN EN 1717 / DIN 1988-100
  • wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
  • inlet male pipe thread

Product datasheet PDF

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figure 367 01
figure 367 01
figure 367 01
figure 367 01
figure 367 01

Product Features

  • to protect drinking water against backflow of fluids up to and including category 4 according DIN EN 1717 / DIN 1988-100
  • wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
  • inlet male pipe thread
  • suitable for connection to the elbow wallplates
  • gunmetal cone
  • EPDM-seat gasket
  • with stainless steel mesh at inlet
  • integrated differential pressure controlled and low-maintenance protection cartridge including CV
  • with controllable reduced pressure zone
  • test ports for connection of test valves for maintenance
  • plastic drain connection according EN 1717
  • with actuating grip
  • free from dead spots
  • for horizontal installation, drain valve down
  • with isolating function for maintenance
  • outlet with male thread acc. ISO 228 for hose connection
  • maintenance requirements in accordance with DIN EN 806-5 must be complied with

Standards and Approvals

  • DVGW approval
  • KIWA approval
  • BELGAQUA approval
  • VA approval
  • plastic parts with KTW and W 270 approval
  • according to DVGW W 408
  • according to accepted materials list from German environmental agency
  • soundproofing certification according to DIN EN ISO 3822 Class 1
  • DIN EN 10226 / EN 1717

Technical data

  • pressure rating PN 10
  • max. operating temperature 60 °C
  • short-term peak temperature 65 °C
figure 367 01
Part no. DN A1 A2 A3 D1
(mm) 		D2
(mm) 		H1
(mm) 		H2
(mm) 		L1
(mm) 		L2
(mm) 		L3
(mm) 		nominal
connection
diameter, waste water (mm) 		kg
3670101500 15 R 1/2 G 3/4 G 1/4 42 50 195.5 37 57.5 84 78.5 50 1.74
3670102000 20 R 1/2 G 1 G 1/4 42 50 195.5 37 57.5 84 82 50 1.8

CAD models

Part no. DN CAD model
3670101500 15 Show 3D data
3670102000 20 Show 3D data

Planning data

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Downloads

Data sheet
File type
Product datasheet
pdf
Instructions
File type
Installation and operating instructions FK-4 system separator outlet valve BA
pdf (5.7 MB)
Technical information
File type
Spare Parts List
pdf (4.1 MB)
Flow Diagram FK-4 RPZ backflow preventer outlet type BA
pdf (140 KB)