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
Type	Capacity [l]	Pre- charge [bar]	Max. working pressure [bar]	A [mm]	B [mm]	Ø C [mm]	D [mm]	Syst. conn. (E)	Weight [kg]		Order Code
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

Flamco Bacnet Module complete mappings flamco

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