Safety Relief Expansion Valves DSV253048
Caleffi 253 Series Solar Safety Valve 15mm x 20mm 800kPa
Product Information
Description
Safety relief valve for solar thermal systems
15mm inlet x 20mm outlet
800kPa
Brass body, chrome plated
Female connections
Temperature range: -30–160°C
DSV253048
Caleffi
Safety Relief Expansion Valves
15mm
Technical Information
Materials:
Body: brass EN 12165 CW 617N, chrome plated
Control Spindle: brass EN 12164 CW614N
Obturator Seal: high resistance elastomer
Spring: stainless UNI 3823
Control Knob: PA6G30
Medium: water, glycol solutions
Max % of Glycol: 50%
Nominal Pressure: PN 10
Temperature Range: -30–160°C
Opening Overpressure : 10%
Closing Differential: 20%
Discharge Capacity: 50kW
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