Brochure

CIRCULATORS Lead-Free Wet Rotor Circulators
for Potable Water / NBF & SSF
12
Description
A residential or light commercial, maintenance-
free, in-line, lead-free† bronze or stainless steel,
wet rotor circulator for potable water systems and
other applications. Flanged, union or sweat models
available. UL, cUL and CSA listed
Operating Data
Maximum Working Pressure: 150 PSI (10 bar)
Maximum Operating Temperature:
NBF-25, NBF-33, NBF-36, NBF-45: 225°F (107°C)
All Others: 230°F (110°C)
Materials of Construction
Pump Body NBF: 100% Lead-Free
†
Bronze
SSF: Stainless Steel
Impeller : Noryl
Shaft: Ceramic
Bearings: Double-Sintered Carbon
Warranty
Bell & Gossett offers a warranty of three years from
date of manufacture or 18 months from date of
installation (which ever comes first) against failure
as a result of defects in materials and workmanship.
Single Speed–NBF/SSF 60 HZ Performance Curve
Three Speed–NBF 60 HZ Performance Curve
SSF-9
NBF-9
Cross Reference
BELL & GOSSETT GRUNDFOS
‡
TACO
◆
NBF-8S/LW UM 15-10B5 003B
NBF-9U/LW UP 15-18SU 006B
NBF-10S/LW UP 15-18B5 006B
NBF-12U/LW UP 15-42SU 005B
NBF-12F/LW UP 15-42SF 005B
NBF-18S UP 15-42B5 —
NBF-22U UP 25-64SU 007B
NBF-22 UP 25-64SF 007B
SSF-22 UP25-64SF 007B
NBF-25 UPS15-58 00R-MS
NBF-33 — 0010B
NBF-36 UP26-96BF 0011B
UP26-99BF 0013B
UP26-64SF 0014B
NBF-45 UP43-75BF —
‡ Grundfos is a registered trademark of Grundfos Pumps Corp.
◆ Taco is a registered trademark of Taco, Inc.
C
DISCHARGE
SUCTION
A
B