Series 259

Welded expansion vessel only for primary circuit of solar thermal systems, EC certification.

Welded expansion vessel only for primary circuit of solar thermal systems, EC certification.
Welded expansion vessel only for primary circuit of solar thermal systems, EC certification.
Welded expansion vessel only for primary circuit of solar thermal systems, EC certification.
Welded expansion vessel only for primary circuit of solar thermal systems, EC certification.
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Product Description

Welded expansion vessel only for primary circuit of solar thermal systems, EC certification.
Diaphragm membrane.
Conforms to EN standard 13831.

Technical data

Pre-charge: 2,5 bar
Maximum percentage of glycol: 50 %
Medium: water, glycol solutions
Diaphragm temperature range: -10–70 °C
System working temperature range: -10–120 °C
Maximum working pressure: 10 bar

Certifications

CE0045

Drawings and specifications

Part number Connection Volume Actions
259050 R 3/4" (EN 10226-1) M
50 l
3D models
Tender text
CALEFFI, 259050. Welded expansion vessel only for primary circuit of solar thermal systems, EC certification. Diaphragm membrane. Conforms to EN standard 13831. Connection: R 3/4" (EN 10226-1) M. Maximum working pressure: 10 bar. System working temperature range: -10–120 °C. Diaphragm temperature range: -10–70 °C. Pre-charge: 2,5 bar. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Volume: 50 l.
SCIP code
CODE UNDER ANALYSIS
259080 R 1" (EN 10226-1) M
80 l
3D models
Tender text
CALEFFI, 259080. Welded expansion vessel only for primary circuit of solar thermal systems, EC certification. Diaphragm membrane. Conforms to EN standard 13831. Connection: R 1" (EN 10226-1) M. Maximum working pressure: 10 bar. System working temperature range: -10–120 °C. Diaphragm temperature range: -10–70 °C. Pre-charge: 2,5 bar. Maximum percentage of glycol: 50 %. Medium: water, glycol solutions. Volume: 80 l.

Applications

Pipe Sizer Caleffi

This application allows for sizing and making calculations for pipes and conduits carrying water or air, respectively for hydraulic or aeraulic plants.