Press connector system with press connectors made of copper and silicon bronze tested in acc. with DVGW worksheet534 with DVGW test seal and pipes made of copper in acc. with EN 1057 in acc. with DVGW worksheet GW 392.
Suitable for drinking water installations in acc. with DIN 1988.
For dimensionally stable concealed and pre-​wall installations of manifold and riser pipes in Viega component assembly.

Press connectors

All sizes with SC‑Contur - connections, which remain unpressed become visible when the system is filled. The SC‑Contur is certified and fulfils the requirements of DVGW worksheet534, Point 12.14, Connectors with forced leakage.
During leakage tests with water, Viega guarantees the identification of unpressed connections in the pressure range 0.1 MPa–0.65 MPa, in the case of a dry leakage test with compressed air or noble gases from 22 hPa–0.3 MPa.

Green dot on the press connection

Sealing elements
EPDM, black (ethylene-​propylene-​dien-​monomer rubber); up to 110 °C; not resistant against hydrocarbon solvent, chlorinated hydrocarbon solvents, turpentine, petrol

Standard sizes: d 12; 15; 18; 22; 28; 35; 42; 54 made of copper
XL sizes: d 64.0; 66.7; 76.1; 88.9; 108.0 made of copper
XL sizes: d 76.1; 88.9; 108.0 made of silicon bronze
Press connectors with threaded connection made of silicon bronze: d 12–54; 76.1–108.0
Press connectors with threaded connection made of copper: d 64.0

Areas of application
Drinking water
Heating/Radiator connection
Compressed air, noble gases
Cooling water pipelines
Plant engineering

Special applications
with EPDM sealing element, factory-​fitted
  • stationary sprinkler-​extinguishing systems - with VdS certificate G 4980009 for the sizes DN20-DN50 in connection with copper pipes in acc. with EN 1057 R290 (hard)
  • Solar systems with flat collectors
with FKM sealing element (accessories)
  • Solar systems with flat/vacuum collectors
  • District heat suppliers and low pressure steam systems
Use of the system for application areas and media other than those described here must be agreed with Viega Service Center.

Operating conditions
Drinking water installations
  • Operating temperature max. 8°C
  • Operating pressure max. 1.6 MPa
Heating installations
  • Operating temperature max. 110 °C
  • Operating pressure max. 1.6 MPa

Observe flow direction!
Components made of copper may not be installed upstream from galvanised ferrous materials!

Note– Limitations of use drinking water
Pipes and connectors made of copper may only be used when the pH value of the drinking water is pH ≥ 7.4 or the total volume of organic carbon does not exceed TOCmax = 1.5 mg/l at values between pH = 7.0‑7.4!

Note Limitations of use heating systems
Observe VDI 2035 and EN 12828!

Profipress (d 12–54)
  • DVGW-​Reg.-No. DW-8511BQ0586
  • WRAS Approval Number 1906080
Profipress XL (d 64.0)
  • DVGW-​Reg.-No. DW-8511BQ0586
  • WRAS Approval Number 1906080

Use of press tools
The functional safety of the Viega press connector systems is primarily dependent on the perfect condition of the press tools and press machines used. For this reason, for the production of press connections, we recommend the use of Viega press tools and their regular inspection by authorised service points.

Technical data
Press connectors and components are constantly being optimised. If required, the current Z and installation dimensions can be obtained from the download area of the Viega website:

Accessories for use with Easytop fittings, see product area system fittings.
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Z-dimensions  (1)
Catalog  (1)