Caleffi 662 User Manual
Page 2

Technical specifications
Materials
Flow manifold
- body:
brass EN 1982 CB753S
Micrometric preregulation valve
- headwork:
brass EN 12164 CW614N
- stem and obturator:
POM
- seals:
EPDM
- operating knob:
ABS
Return manifold
- body:
brass EN 1982 CB753S
Shut-off valve
- headwork:
brass EN 12164 CW614N
- obturator stem:
stainless steel
- obturator:
EPDM
- spring:
stainless steel
- seals:
EPDM
- knob:
ABS
Performance
Medium:
water, glycol solutions
Max. percentage of glycol:
30%
Max. working pressure:
10 bar
Working temperature range:
5–80°C
Thermometer stripes:
24–48°C
Main connections:
1” F x M
Outlets:
3/4” M - Ø 18
Centre distance:
50 mm
Product range
2
Code
Size
Outlets
6626B6
1”
2
6626C6
1”
3
6626D6
1”
4
6626E6
1”
5
6626F6
1”
6
6626G6
1”
7
6626H6
1”
8
6626I6
1”
9
6626L6
1”
10
6626M6
1”
11
6626N6
1”
12
6626O6
1”
13
Code
Size
Outlets
662626
1”
2
662636
1”
3
662646
1”
4
662656
1”
5
662666
1”
6