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Submittal Sheet

ManualsBrandsBell & Gossett ManualsCirculator Pumps1/40 HP, NBF-12U/LW Bronze Circulator Pump, Lead Free
12
SUBMITTAL
A-127K
JOB: REPRESENTATIVE:
UNIT TAG:
ORDER NO.
DATE:
ENGINEER:
SUBMITTED BY:
DATE:
CONTRACTOR:
APPROVED BY:
DATE:
*
3-speed circulators
**
Contains less than 0.25% lead content on wetted surface
Lead-Free
**
Bronze and Stainless Steel
Bodied
System Lubricated
Circulators
DESCRIPTION
A series of in-line wet rotor circulation pumps designed specifically for quiet operation in open (potable) water systems. These pumps have lead-
free
**
bronze or stainless steel bodies.
Automatic Timer and Aquastat accessories are available. (See Submittal A-128A for details).
CONSTRUCTION MATERIALS OPERATING DATA
Pump Body:
NBF: Bronze
SSF: Stainless Steel
Bearings: Carbon
Impeller: Noryl
Shaft: Ceramic
Maximum Working Pressure: 150 psi (10.3 Bar)
Minimum Operating Temperature: 40°F (5°C)
Maximum Operating Temperature
NBF-25, NBF-33, NBF-36, NBF-45: 225°F (107°C)
All Others: 230°F (110°C)
MODEL NUMBER
PART
NUMBER CONNECTION
APPROX.
SHPG. WT.
Lbs. (Kg)
STANDART 60 CYCLE
115 VOLT SINGLE PHASE
TAGGING INFORMATION QUANTITYWATTS F.L. AMPS RPM
NBF-8S/LW 103257LF
1/2" Sweat
9.0 (4.1) 39 0.38 2800
NBF-9U/LW 103258LF
Union (See Following Page)
9.3 (4.2) 41 0.40 2800
SSF-9U/LW 103360LF
Union (See Following Page)
9.3 (4.2) 41 0.40 2800
NBF-10S/LW 103259LF
1/2" Sweat
9.0 (4.1) 52 0.46 2800
NBF-12U/LW 103261LF
Union (See Following Page)
9.3 (4.2) 55 0.48 2800
SSF-12U/LW 103361LF
Union (See Following Page)
9.3 (4.2) 55 0.48 2800
NBF-12F/LW 103260LF
Flange 3/4, 1, 1-1/4, 1-1/2
9.5 (4.3) 55 0.48 2800
SSF-12F/LW 103358LF
Flange 3/4, 1, 1-1/4, 1-1/2
9.5 (4.3) 55 0.48 2800
NBF-18S 103316LF
1/2" Sweat
9.0 (4.1) 90 0.74 3000
NBF-22U 103255LF
Union (See Following Page)
9.3 (4.2) 92 0.80 2940
SSF-22U 103362LF
Union (See Following Page)
9.3 (4.2) 92 0.80 2940
NBF-22 103252LF
Flange 3/4, 1, 1-1/4, 1-1/2
9.5 (4.3) 92 0.80 2940
SSF-22 103357LF
Flange 3/4, 1, 1-1/4, 1-1/2
9.5 (4.3) 92 0.80 2940
NBF-25
*
103418LF
Flange 3/4, 1, 1-1/4, 1-1/2
10.4 (4.7) 125 1.10 2950
NBF-33 103351LF
Flange 3/4, 1, 1-1/4, 1-1/2
10.4 (4.7) 125 1.10 2950
NBF-36
*
103401LF
Flange 3/4, 1, 1-1/4, 1-1/2
13.1 (6.0) 270 2.30 3300
NBF-45
*
103405LF
Flange 1, 1-1/4, 1-1/2
14.5 (6.6) 270 2.30 3300
TYPICAL SPECIFICATIONS
The contractor shall furnish and install in-
line circulating pumps as
illustrated on the plans and in accordance with the following specifications:
1. The pumps shall be of the horizontal system lubricated type specifically
designed and guaranteed for quiet operation.
2. Pump to be suitable for _____ºF (_____ºC) [choose one: 225ºF (107ºC)
for NBF-25, NBF-33, NBF-36, NBF-45 or 230°F (110°C) for all other
circulators] operation at 150 psig (10.3 Bar) working pressure.
3. The pumps shall have a ceramic shaft supported by carbon bearings.
Bearings are to be lubricated by the circulating fluid.
Pumps to have a capacity of ________GPM at ________ foot head when
powered by 115 volt, 60 cycle single phase electrical supply.
All pumps are to be ITT Industries - Bell & Gossett Model ________.
4. Pump body shall be lead-free bronze for NBF circulators or stainless
steel for SSF circulators.
5. Motor stator to be isolated from circulating fluid through use of stainless
steel can. Rotor to be sheathed in stainless steel.
6. Motors shall be non-overloading at any point on the pump curve. NBF-
36 & NBF-45 to have built-
in thermal protection. All other motors to have
built-in impedance protection.
7. NBF-25 has an optional check valve.
© COPYRIGHT 2009 ITT Corporation

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