Caleffi 544 User Manual
Page 2
Product range
544501
3/4”
2
Technical
specifications
Materials
Body:
brass EN 12165 CW617N, chrome plated
Control spindle:
brass EN 12164 CW614N, chrome plated
Spring:
steel UNI EN 10270-1
Seals:
EPDM
Performance
Medium:
water, glycol solution
Max. percentage of glycol:
30%
Max. working pressure:
6 bar
Max. working temperature:
120°C
Setting temperature:
100°C (+0°C/-5°C)
Discharge flow rate at 1 bar
∆p and 110°C:
1800 l/h
Connections:
3/4” M
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