Caleffi 519 User Manual
Page 2
2
Technical
specifications
Product range
Materials: - Body:
brass EN 12165 CW617N
- Obturator:
brass EN 12164 CW614N
- Obturator seal:
EPDM
- O-Ring seals:
EPDM
- Union gasket:
asbestos free NBR
- Knob:
ABS
- Spring:
stainless steel
Medium:
water, glycol solutions
Max. percentage of glycol:
30%
Temperature range:
0÷110°C
Max. pressure:
10 bar
Setting range: - cod. 519500 and 519700:
10÷60 kPa (1÷6 m c.a.)
- cod. 519504:
100÷400 kPa (10÷40 m c.a.)
Connections:
3/4”, 1 1/4” F x M with union
519
519
519500
3/4”
10÷60 kPa
519504
3/4”
100÷400 kPa
519700
1 1/4” 10÷60 kPa