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Item no.: 7354000

Refix DE 4000

diaphragm expansion vessel without through flow, blue, 10/2 bar

Technical data

Type

DE 4000

Colour

blue

Diaphragm material

butyl

Nominal volume

4000 l

Max. useful volume

2181.8 l

Max. permissible system temperature

70 °C

Min. perm. operating temperature

-10 °C

Max. perm. operating temperature

70 °C

Max. perm. operating pressure

10 bar

Factory provided gas supply pressure

2 bar

Connection

DN65/PN16

Diameter

1500 mm

Height

3081 mm

High water connection

320 mm

Tilt dimension approx.

3139 mm

Weight

1132.00 kg

EAN code

4036705078408

Product details

Refix DE
Refix DE
Non-flowed through diaphragm expansion tank for water supply installations that are not subject to DIN 1988, e.g. fire extinguishing and service water systems, underfloor heating or heat source installations. Vessels are designed and manufactured according to DIN EN 13831. Approval according to Pressure Equipment Directive 2014/68/EC.
  • bladder according to DIN EN 13831 / replaceable from 50 litres
  • for antifreeze additive of at least 25 – 50 %
  • parts in contact with water are corrosion-protected
  • durable epoxy resin coating
  • 33 litres with brackets, from 50 litres with adjustable feets
  • the following types incl. pressure gauge:
    → 10/16 bar: from Ø 1,000 mm
    → 25 bar: from Ø 450 mm
  • pressure gauge and supply pressure valve protected by clip
Note:
No licence requirement according to SWKI HE301-01 and SVTI for (PSV * VN ≤ 3,000 bar * litre).

Downloads

Accessories

optional
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7857700 - diaphragm rupture detector MBM II

Membrane rupture detector
Electrode with evaluation relay for installation in an expansion vessel with an appropriate connection. Vessel must be pre-equipped for electrode (please note when ordering)

Inclusive of electrode relay for signal measurement for installation in installer-supplied control cabinet or for local installation.

  • power supply 230 V/50 Hz
  • floating output (changeover contact)

optional
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9119198 - Digital system pressure test device

Digital pressure gauge
Manual pressure gauge to check the gas pressure at the expansion vessel.

With illuminated display. Display range up to 9.0 bar.

Contact the Reflex Team and further information

Reflex Solutions Pro

  • Free to use
  • Simple and self-explanatory
  • Detailed documentation
Reflex Solutions Pro

Reflex Solutions Pro allows you to design every Reflex and Sinus product into your project quickly and easily. After entering a few system parameters you will receive your custom product solution with all the relevant documentation.