Piping Diagrams - Xylem Bell & Gossett B Series Instruction Manual

Air
Supply
Separator
Drain
Triple Duty
Valve
Pump
Suction
Diffuser
Figure 5: Suggested Piping Diagram
Tank with Bottom System Connection
TABLE A - MINIMUM PIPE SIZE FROM TANK TO SYSTEM (IN INCHES)
EQUIVALENT LENGTH UP TO 10'
MAX. AVERAGE DESIGN TEMP. ºF.
MBH 100 150
1,000 / /
1 1
2 2
2,000 1 / 1 /
2 2
3,000 / /
1 1
2 2
4,000 1 / 3 /
2 4
5,000 1 / 3 /
2 4
6,000 / /
1 3
2 4
7,000 3 / 1
4
8,000 / 1
3
4
9,000 3 / 1
4
10,000 3 / 1
4
12,000 1 1
14,000 1 1 1 /
4
16,000 1 1 /
1
4
18,000 1 1 1 /
4
20,000 1 1 /
1
4

PIPING DIAGRAMS

Air
Return
Eliminator
Isolation
Valve
C.W.S.
Automatic
Drain
Fill Valve
EQUIVALENT LENGTH 11' TO 30'
MAX. AVERAGE DESIGN TEMP. ºF.
200 250 300 100
/ / / /
1 1 1 1
2 2 2 2
1 / 1 / 3 / 1 /
2 2 4 2
/ / / /
3 3 3 3
4 4 4 4
3 / 3 / 1 3 /
4 4 4
3 / 1 1 3 /
4 4
1 1 1 /
3
4
1 1 1 1 / 1
4
1 1 1 / 1
1
4
1 1 1 / 1 1 / 1
4 4
1 1 1 / 1 1 / 1
4 4
1 1 / 1 1 / 1 1 / 1 1 /
4 4 4
1 1 / 1 1 / 1 1 / 1 1 /
4 4 2
1 / 1 / 1 / 1 /
1 1 1 1
4 4 2
1 1 / 1 1 / 1 1 / 1 1 /
4 2 2
1 / 1 / 1 / 1 /
1 1 1 1
4 2 2
Supply
Triple Duty
Valve
Pump
Figure 6: Alternate Piping Diagram
Tank with Bottom System Connection
150 200 250
/ / /
1 1 3
2 2 4
3 / 3 / 3 /
4 4 4
/ 1 1
3
4
1 1 1
1 1 1 1 /
4
1 1 / 1 /
1 1
4 4
1 1 / 1 1 / 1 1 /
4 4 4
1 / 1 / 1 /
1 1 1
4 4 4
1 1 / 1 1 / 1 1 /
4 4 4
1 1 / 1 1 / 1 1 /
4 4 2
1 1 / 1 1 / 1 1 /
4 4 2 2
1 1 / 1 1 / 2
4 4 2
1 / 1 / 2
1 1
4 2 2
1 1 / 2 2
4 2
1 / 2 2
1
4 2
Alternate Air Separator Location
Highest Point in System
Point of Lowest Solubility
Air
Air
Return
Eliminator
Separator
Isolation
Valve
Drain
Drain
Suction
Diffuser
EQUIVALENT LENGTH 31' TO 100'
MAX. AVERAGE DESIGN TEMP. ºF.
300 100 150
/ / /
3 1 3
4 2 4
1 3 / 3 /
4 4
1 / 1
3
4
1 1 / 1 1
4
1 1 / 1 1 1 /
4 4
1 / 1 1 /
1 1
4 4
1 1 / 1 1 / 1 1 /
4 4 4
1 / 1 / 1 /
1 1 1
2 4 4
1 1 / 1 1 / 1 1 /
2 4 4
1 1 / 1 1 / 1 1 /
2 4 2
2 1 1 / 1 1 /
4 2
2 1 1 / 2
4
2 1 / 2
1
2
2 1 1 / 2
2
2 1 / 2
1
2
Return
C.W.S.
Automatic
Fill Valve
200 250 300
/ / 1
3 3
4 4
1 1 1 1 /
4
1 1 / 1 /
1 1
4 4
1 1 / 1 1 / 1 1 /
4 4 4
1 1 / 1 1 / 1 1 /
4 4 4
1 / 1 / 1 /
1 1 1
4 2 2
1 1 / 1 1 / 2
4 2
1 / 1 / 2
1 1
2 2
1 1 / 2 2
2
2 2 2
2 2 2
2 2 2 1 /
2
2 2 / 2 /
1 1
2 2
2 2 1 / 2 1 /
2 2
2 / 2 / 2 /
1 1 1
2 2 2
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