Mixergy M0008, Инструкции по установке и обслуживанию

Страница: 21 / 35

21
Discharge pipework
Typical discharge pipe arrangement
G 1/2”
Sizing of copper discharge pipe ‘D2’ for common temperature relief valve outlet
sizes
Valve outlet size
Minimum size of
discharge pipe D1
Minimum size of dis-
charge pipe D2 from
tundish
Maximum resistance
allowed, expressed as a
length of straight pipe
Resistance creat-
ed by each elbow
or bend
15 mm
22 mm
28 mm
35 mm
< 9 m
< 18 m
< 27 m
0.8 m
1.0 m
1.4 m
G 3/4” 22 mm
28 mm
35 mm
42 mm
< 9 m
< 18 m
< 27 m
1.0 m
1.4 m
1.7 m
G 1” 28 mm
35 mm
42 mm
54 mm
< 9 m
< 18 m
< 27 m
1.4 m
1.7 m
2.3 m