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Sigma Steel Cooling Tower
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Engineering Data : Inlet Piping
9
C C
COLUMN AND
ANCHOR BOLT
TYP. SINGLE CELL
D
TYP. MULTICELL
C
L
COLUMN AND
ANCHOR BOLT
C
L
FAN
C
L
INLET
C
L
INLET
C
L
FAN
C
L
F
MIN
REQUIRED CLEARANCE
C
L
E
G
C
OF FLANGE TO
BASE OF TOWER
COLUMNS (USE FOR
STATIC LIFT)
FAN
FACE OF
A DIA
INLET FLANGE
MARLEY PIPING
STOPS HERE
B DIA FLOW
CONTROL VALVE
C
L
L
C
L
TOWER
C
L
NOTE
1 Use this bulletin for preliminary layouts only. Obtain
current drawings from your Marley sales representative.
2 Pumping head contributed by the tower is static lift
“G”. Actual pumping head will vary according to tower
circulating GPM. Total pumping head will be furnished at
time of proposal.
3 If your application requires a bypass system,
recommended location is through tower endwall into
plenum area. Review of the system by SPX engineering is
required.
4 Marley piping terminates at face of a cast iron flat face
flange. Bolt circle conforms to class 125 lb. ANSI B 16.1
specifications.
5 Supports on tower for crossover piping are part of the
tower design. Do not support the riser’s dead load or
operating load from the tower. Do not brace the riser’s
seismic or thrust loads against the tower.
6 Butterfly valves or piping expansion joints (if used) are
by others and must be located outside the limits of the
cooling tower
“F”.
7 Motor must be located 180° from inlet.
Tower
Model
GPM
per cell
Dimensions
A B C D E F G
121-111
500-3800 10" 8"
6'-0" 12'0"
8'-10
1
⁄2"
13'-1
1
⁄4"
14'-6
3
⁄4"
3801-4500 12" 10" 9'-0
1
⁄2" 14'-7
3
⁄4"
122-111 650-6000 14" 10" 8'-0" 16'-0" 10'-0
1
⁄2" 14'-1
1
⁄4" 14'-7
3
⁄4"
123-111 650-6000 14" 10" 8'-0" 16'-0" 11'-0
1
⁄2" 15'-1
1
⁄4" 14'-7
3
⁄4"
124-111
1000-6000 14" 10"
10'-0" 20'-0"
11'-0
1
⁄2"
15'-1
1
⁄4"
14'-7
3
⁄4"
6001-7500 16" 12" 11'-1
1
⁄2" 14'-8
3
⁄4"
125-111 1000-7500 16" 12" 10'-0" 20'-0" 13'-1
1
⁄2" 17'-1
1
⁄4" 14'-8
3
⁄4"
126-111 1000-9000 16" 12" 12'-0" 24'-0" 13'-1
1
⁄2" 17'-1
1
⁄4" 14'-8
3
⁄4"
127-111 1500-10500 18" 14" 14'-0" 28'-0" 13'-5
5
⁄8" 17'-1
1
⁄4" 14'-9
3
⁄4"