Submittal Sheet

System Lubricated Iron Body Circulators

Model NRF

A-126F

PUMP PERFORMANCE CURVE

C is center-to-center dimension of bolt holes. Flange orientation varies.

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. Pumps to be suitable for _____°F (_____°C) [Select one: 240°F (115°C) for NRF-22 and NRF-9F/LW; 225°F (107°C) for NRF-25, NRF-33,

NRF-36 and NRF-45] 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.

4. Motor stator to be isolated from circulating fluid through use of stainless steel can. Rotor to be sheathed in stainless steel.

5. Motors shall be non-overloading at any point on the pump curve. (Select one: NRF-9F/LW, NRF-22, NRF-25, NRF-33) motors to have built-in

impedance protection. (Select one: NRF-36, NRF-45) motors to have built-in thermal protection.

6. [Select one: NRF-25, NRF-36 or NRF-45] is available with 3-speed, thermally protected motor covering a wide range of hydraulic capabilities.

7. The pump manufacturer shall be ISO-9001 certified.

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 Bell and Gossett Model NRF-__________.

MODEL

PART

NUMBER

in (mm)

Weight

(lb)

NRF-9F/LW 103267 5-1/8 (130) 3-3/16 (81) 3-3/16 (81) 6-3/16 (157) 4-5/16 (110) 6-3/8 (162) 3-3/16 (81) 9.3

NRF-22 103251 5-1/8 (130) 3-3/16 (81) 3-3/16 (81) 6-3/16 (157) 4-5/16 (110) 6-3/8 (162) 3-3/16 (81) 9.3

NRF-25

103417 5-1/8 (130) 3-3/16 (81) 3-3/16 (81) 6-3/16 (157) 4-7/8 (124) 6-3/8 (162) 3-7/8 (98) 10.4

NRF-33 103350 5-1/8 (130) 3-3/16 (81) 3-3/16 (81) 6-3/16 (157) 3-11/16 (94) 6-3/8 (162) 3-3/16 (81) 10.4

NRF-36 103400 5-3/4 (146) 3-9/16 (91) 3-3/16 (81) 6-7/8 (175) 5-3/8 (137) 6-3/8 (162) 3-3/16 (81) 13.1

NRF-45

103404 5-3/4 (146) 3-9/16 (91) 3-7/16 (87) 7-3/8 (187) 5-1/2 (140) 8-1/2 (216) 4-1/4 (108) 14.5

Dimensions are subject to change. Not to be used for construction purposes unless certified.

Companion Flanges Available in Sizes: 3/4", 1", 1-1/4" and 1-1/2"

ITT

8200 N. Austin Avenue

Morton Grove, IL 60053

Phone (847)966-3700

Facsimile (847)966-9052