AFOSB/AFESB range

TECHNICAL FEATURES

  • Produced according to the standards established by PED 2014/68/UE and DIN EN 13831 regulations
  • Approvals: WRAS, ACS
AFOSB/AFESB expansion vessel for domestic hot and cold water systems
01

Air valve

Air charging and discharging valve, tested during all stages of the production process, with black plastic valve cap for additional protection.

AFOSB/AFESB expansion vessel for domestic hot and cold water systems
02

Tank’s Body

Exterior epoxy-polyester powder coating ensures excellent protection against oxidation and a high-quality aesthetic finish.

AFC/AF expansion vessel for domestic hot and cold water systems
03

Feet Support

Metal foot that allows the product to be installed and secured to the floor.

AFOSB/AFESB expansion vessel for domestic hot and cold water systems
04

Interchangeable Membrane

Interchangeable variable-geometry and/or balloon-shaped membrane, manufactured according to DIN 4807 standards, improves the tank’s operating performance, resulting in energy savings. It ensures safety by eliminating the risk of liquid contamination, and by preventing both corrosion and the growth of harmful bacteria.

AFOSB/AFESB expansion vessel for domestic hot and cold water systems
05

Water connection

A durable and customizable connection tailored to system requirements. It ensures high functionality, safety, and compliance with certified production standards.

AFOSB/AFESB expansion vessel for domestic hot and cold water systems
06

Counterflange

Hydraulic connection fitting that links the expansion vessel to the system piping, facilitating installation, maintenance, and replacement of both the vessel and its membrane. Also available with stainless steel counterflange.

AFOSB/AFESB expansion vessel for domestic hot and cold water systems
07

PP Protection Cover

Polypropylene cap approved for sanitary use, mounted on the counter-flange, provides additional protection against corrosion and prevents the risk of water contamination.

AFOSB/AFESB expansion vessel for domestic hot and cold water systems
08

Tie Rod

The optional brass tie rod positions the tank membrane optimally, ensuring proper membrane operation by balancing workloads and significantly extending the expansion vessel’s service life. Also available with stainless-steel tie rod.

AFOSB/AFESB expansion vessel for domestic hot and cold water systems
09

Motor Mount Bracket

Horizontal pressure tank with motor mounting bracket for hydropneumatic applications.

AFOSB/AFESB expansion vessel for domestic hot and cold water systems

Use

Hot and cold sanitary water circuits, pressurizing systems, heating systems and refrigeration circuits

Standard product Table

Code Model Capacity Diameter Height Length Water Entry Connection Standard Pre-charge Pressure Maximum Working Pressure Working Temperature Colour
Liters Ø mm H mm L mm G Bar Bar °C
532010 AFOSB CE 20 20 262 280 420 M 1” Gas 1,5 8,0 -10 + 100 Blue
532010/01 AFOSB CE 20 20 262 280 415 M 3/4" Gas 1,5 8,0 -10 + 100 Blue
532412 AFOSB CE 24 24 262 280 520 M 1” Gas 1,5 8,0 -10 + 100 Blue
532412/01 AFOSB CE 24 24 262 280 520 M 3/4" Gas 1,5 8,0 -10 + 100 Blue
630050 AFESB CE 50 50 380 410 615 M 1” Gas 2,5 10,0 -10 + 70 Blue
630060 AFESB CE 60 60 380 410 705 M 1” Gas 2,5 10,0 -10 + 70 Blue
630060/010 AFESB CE 60 ct 60 380 410 715 M 1” Gas 2,5 10,0 -10 + 70 Blue
630080 AFESB CE 80 80 460 495 665 M 1” Gas 2,5 10,0 -10 + 70 Blue
630080/010 AFESB CE 80 ct 80 460 495 675 M 1” Gas 2,5 10,0 -10 + 70 Blue
630100 AFESB CE 100 100 460 495 775 M 1” Gas 2,5 10,0 -10 + 70 Blue
630100/010 AFESB CE 100 ct 100 460 495 785 M 1” Gas 2,5 10,0 -10 + 70 Blue
630150 AFESB CE 150 150 510 545 940 M 1” Gas 2,5 10,0 -10 + 100 Blue
630200/020 AFESB CE 200 200 590 640 1005 M 1” 1/4 Gas 2,5 10,0 -10 + 100 Blue
630300 AFESB CE 300 300 650 700 1155 M 1” 1/4 Gas 2,5 10,0 -10 + 100 Blue
630500 AFESB CE 500 500 750 800 1430 M 1” 1/4 Gas 2,5 10,0 -10 + 100 Blue

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