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Backflow preventers

Viega Easytop backflow preventers and drainage valves provide faster, more reliable and professional installation of water and heating systems. They are made of high-quality and durable materials and it guarantees a long and reliable service of products.

Main advantages:

  • Durability;
  • Tightness;
  • Attractive appearance;
  • Resistance to high pressure - up to 1.6 MPa (PN 16);
  • Resistance to high temperatures - up to +90 °C.

VIEGA Easytop Drainage valve, d 1/4" [Code number: 457334]

Article: 457334

Application purpose:

  • For potable water installation
  • For heating installation

Characteristics:

  • G-​thread

Components:

  • flywheel
  • side drainage
  • drain plug
G Z H L Ø1 Ø2
  mm mm mm mm mm
1/4" 52 44 60 32 30

VIEGA Easytop Backflow preventer, gunmetal, d (20) 22 [Code number: 471033]

Article: 471033

Application purpose:

  • For potable water installation
  • For heating installation

Characteristics:

  • with SC‑Contur
  • press connectors

Components:

  • valve casing and top made of silicon bronze in accordance with DIN 50930‑6
  • test connection
  • drain plug G 1/4
  • EPDM sealing elements

Technical data:

  • operating pressure max. 1.6 MPa (PN 16)
  • operating temperature max. +90 °C
  • with DVGW-​test mark
d Z1 Z2 L1 L2 H1 H2 WS G
mm mm mm mm mm mm mm mm  
22 20 54 43 77 49 22 25 1/4

WS - spanner size

VIEGA Easytop Inox backflow preventer with SC-Contur, d 22 [Code number: 471279]

Article: 471279

VIEGA Easytop Inox Backflow preventer, d (50) 54 [Code number: 471316]

Article: 471316

Application purpose:

  • For potable water installation
  • For heating installation

Characteristics:

  • with SC‑Contur
  • stainless steel
  • press connectors

Components:

  • test connection
  • drain plug G 1/4
  • EPDM sealing elements

Technical data:

  • operating pressure max. 1.6 MPa (PN 16)
  • operating temperature max. 90 °C
  • with DVGW-​test mark
d Z1 Z2 L1 L2 H1 H2 WS
mm mm mm mm mm mm mm mm
54 36 99 77 139 89 37 41

WS - spanner size

See also