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SEV • Expansion vessels for sanitary water

  • Hydraulic accessories
  • Expansion vessels
  • Sanitary

Expansion vessel for sanitary water (ACS) equipped with a bellows in EPDM, so that there is no contact between the system water and the steel vessel. The expansion vessel absorbs the pressure difference that occurs due to expansion of the water during heating of the water heater. The mounting of a sanitary expansion vessel prevents the frequent opening of the safety valve resulting in water loss.

Brand

Watts

Installation

The expansion vessel should be mounted as close as possible to the water heater on the cold water supply line, between the safety group and the cold water connection. No shut-off valve should be mounted between the water heater and the expansion vessel.

Specifications

  • Operating temperature: -10°C to 100°C
  • Maximum operating pressure: 10 bar (8 bar, SEV 18 and SEV 24)
  • Pre-pressure: 3 bar
  • Vessel material: steel
  • Bellows material: EPDM

Accessories

Expansion vessel console, type EVC SAN

Articles

Artikelselectie-assistent
Type
Koelvermogen* [kW]
Verwarmingsvermogen* [kW]
# pijps
AC of EC motor
Artikelnummer Type Koelvermogen* [kW] Verwarmingsvermogen* [kW] # pijps AC of EC motor E-shop
J035509071001 LIGHT-71-NC 6.10 7.60 2 AC
J035509072002 LIGHT-72-NC 9.40 10.40 2 AC
J035509073003 LIGHT-73-NC 10.80 13.50 2 AC
J035509091001 LIGHT-91-NC 6.10 9 4 AC
J035509092002 LIGHT-92-NC 7.10 10.50 4 AC
J035509093003 LIGHT-93-NC 8.60 12.50 4 AC
J035509094003 LIGHT-94-NC 9.90 9.60 4 AC
J035509171001 LIGHT-71-RC 6.10 7.60 2 AC
J035509172002 LIGHT-72-RC 9.40 10.40 2 AC
J035509173003 LIGHT-73-RC 10.80 13.50 2 AC
J035509191001 LIGHT-91-RC 6.10 9 4 AC
J035509192002 LIGHT-92-RC 7.10 10.50 4 AC
J035509193003 LIGHT-93-RC 8.60 12.50 4 AC
J035509194003 LIGHT-94-RC 9.90 9.60 4 AC
Prijzen zijn exclusief decoratiepaneel
* Volgens EUROVENT bij hoogste snelheid
AC-ventilatoren zijn beschikbaar via de website en e-shop

Technical data

Model SEV 8SEV 12SEV 18SEV 24
Volumel8121824
Dimensionsmmø220 X 305Hø260 X 315Hø260 X 380Hø260 X 490H
Connectioninch3/4" M3/4" M3/4" M1" M
Pre-pressurebar3333

Notes

Which type of expansion tank to apply to which water heater?
  • Water heater 100 liters: SEV 8
  • Water heater 150 liters: SEV 12
  • Water heater 200 liters: SEV 18
  • Water heater 300 liters: SEV 24

Determined at Tmax water heater 60°C and an input pressure of 4bar.
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