ZZK -K BUNLY VALVE FOR DN50 Sewage - DN150 PN6 flange

ZZK-K marki 3XAL is a flange ball check valve for sewage and dirty water. The only right choice of a check valve for sewage, because thanks to the rubberized ball it ensures effective prevention of backflow after pumping.

Flanged ball check valves are perfect for water and sewage installations, where most of the connections are made with flanges and there is no space for unscrewing the threads and pushing apart the connections or pipeline elements. 

ADVANTAGES ZZK-K

• Effective prevention of backflow
• High resistance to garbage and fibrous fractions in sewage - full passage
• Materials resistant to aggressive domestic sewage - EPDM/SS 304
• Quiet operation thanks to the rubberized ball
• Inspection chamber for cleaning or replacing the ball
• Flanged connections that do not require moving the elements apart (only loosening the gasket between the flanges)
  
• Easier installation thanks to the connections screw type
• Ronge range of ball check valves from DN50 to DN150
• Maximum working pressure 6 Bar (PN6)
• Low sealing pressure from 0.3-0.5 Bar

EXECUTION MATERIALS

1. Body - powder-coated ductile iron
2. Cover - powder-coated ductile iron
3. Ball - EPDM coated steel
4. Sealing O-ring - EPDM
5. Screw connections - stainless steel 304

COMPLIANCE WITH STANDARDS

• EN1092-2 PN16 and AS4087, AS4087 (AS2129 Table E),
  
• Category A standard ISO5208,
• EN558-1 series 48 (DIN3202) F6)
  
• Tested pressure:
  • 1.1x normal pressure for the ball seat
  • 1.5x normal pressure for the valve body

VERTICAL OR HORIZONTAL INSTALLATION

The 3XAL brand is a confirmation of the high quality of the product and its suitability in sewage and rainwater pumping station systems. 

Karta katalogowa ZZK-K

Krajowa Deklaracja Właściwości Użytkowych