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Contra-flex 2 to 100 Litre Heating Expansion Vessel - 0.5 Bar, 1.5 Bar

Contra-flex 2 to 100 Litre Heating Expansion Vessel - 0.5 Bar, 1.5 Bar

by Flamco
SKU 13211

For sealed heating installations (acc. to EN12828) and chilled water (cooling) installations.

  • Nitrogen gas filling for longer maintenance of pre-pressure.
  • Each vessel is factory tested.
  • Diaphragm: Flexible rubber with rolling action.

Technical Specifications

  • Maximum working pressure: 3.0 or 6.0 bar.
  • Suitable for the addition of glycol-based anti-freeze up to 50%.
  • Vessels by EN13831.
  • Suitable for systems with a maximum system temperature of 110 °C.
  • Minimum/Min./ max. temperature diaphragm: -10 / 70 °C.
  • By Pressure Equipment Directive 2014/68/EU.
  • Deep-drawn steel vessel halves with zinc-plated steel clench ring.
  • Red (RAL 3002) or white (RAL 9010) epoxy powder coating.
  • Diaphragm: SBR.
  • Contraflex 35 - 80: With feet.
Type Capacity
[l]		 Pre-
charge
[bar]		 Max.
working
pressure
[bar]		 Dimensions Syst.
conn.
(E)		 Weight
[kg]		 Order
Code
A
[mm]		 B
[mm]		 Ø C
[mm]		 D
[mm]
Contraflex  2 - 0.5 bar  2 0.5 3.0 216 144 - - G 3⁄4" M  1.5 120 13211
Contraflex  2 - 1.5 bar  2 1.5 3.0 216 144 - - G 3⁄4" M  1.5 120 13213
Contraflex  4 - 0.5 bar  4 0.5 3.0 216 192 - - G 3⁄4" M  1.8  90 13411
Contraflex  8 - 0.5 bar  8 0.5 3.0 245 277 - - R 3⁄4"  2.2  50 26074
Contraflex  8 - 1.5 bar  8 1.5 3.0 245 277 - - R 3⁄4"  2.2  50 26073
Contraflex  8 white - 1.5 bar  8 1.5 3.0 245 277 - - R 3⁄4"  2.2  50 26063
Contraflex 12 - 0.5 bar 12 0.5 3.0 286 258 - - R 3⁄4"  2.3  36 26136
Contraflex 12 - 1.5 bar 12 1.5 3.0 286 258 - - R 3⁄4"  2.3  36 26133
Contraflex 12 white - 1.5 bar 12 1.5 3.0 286 258 - - R 3⁄4"  2.3  36 26153
Contraflex 18 - 0.5 bar 18 0.5 3.0 286 366 - - R 3⁄4"  2.9  24 26171
Contraflex 18 - 1.0 bar 18 1.0 3.0 286 366 - - R 3⁄4"  2.9  24 26172
Contraflex 18 - 1.5 bar 18 1.5 3.0 286 366 - - R 3⁄4"  2.9  24 26173
Contraflex 18 white - 1.0 bar 18 1.0 3.0 286 366 - - R 3⁄4"  2.9  24 26162
Contraflex 18 white - 1.5 bar 18 1.5 3.0 286 366 - - R 3⁄4"  2.9  24 26163
Contraflex 25 - 0.5 bar 25 0.5 3.0 328 387 - - R 3⁄4"  3.5  18 26241
Contraflex 25 - 1.5 bar 25 1.5 3.0 328 387 - - R 3⁄4"  3.5  18 26243
Contraflex 25 white - 1.5 bar 25 1.5 3.0 328 387 - - R 3⁄4"  3.5  18 26233
Contraflex 35 - 0.5 bar 35 0.5 3.0 396 435 263 118 R 3⁄4"  5.6  18 26341
Contraflex 35 - 1.5 bar 35 1.5 3.0 396 435 263 118 R 3⁄4"  5.6  18 26343
Contraflex 35 white - 1.5 bar 35 1.5 3.0 396 435 263 118 R 3⁄4"  5.6  18 26333
Contraflex 50 - 0.5 bar 50 0.5 6.0 437 493 263 134 R 3⁄4" 11.4  12 26491
Contraflex 50 - 1.5 bar 50 1.5 6.0 437 493 263 134 R 3⁄4" 11.4  12 26493
Contraflex 50 white - 1.5 bar 50 1.5 6.0 437 493 263 134 R 3⁄4" 11.4  12 26483
Contraflex 80 - 0.5 bar 80 0.5 6.0 519 534 360 140 R 1" 15.0  12 26791
Contraflex 80 - 1.5 bar 80 1.5 6.0 519 534 360 140 R 1" 15.0  12 26793
Contraflex 80 white - 1.5 bar 80 1.5 6.0 519 534 360 140 R 1" 15.0  12 26783