Bell & Gossett SU43-2 / 5-260-04-036-011

Type 2 Pass
Diameter 4 in.
Working Pressure 150 PSI
Max. Operating Temperature 375°F

The SU Heat Exchanger is an instantaneous type, designed to heat liquids with steam. No space-wasting, expensive storage tank is needed.
Although the SU is used for heating many types of fluids, its widest application is for heating water. The SU can also be used as a converter for use with radiation, radiant panels and snow melting systems.

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In Stock

Description

Standard Bell & Gossett Steam to Water (SU) complete heat exchangers available in 2 and 4 pass units, 4″ nominal thru 10″ nominal in our catalog. Larger units available upon request.B & G Types “SU” Heat Exchangers are of the shell and tube type. The tube bundle is of “U” bend construction with tube ends expanded into a stationary tube sheet.
Removable bundle for ease of inspection and replacement.

  • This design allows for differential thermal expansion between shell and tubes as well as between individual tubes.
  • The result is a heat exchanger capable of withstanding thermal shock.
  • The bundle design and tube layout allow for the maximum heat transfer surface area per given shell size.
  • The SU/WU exchangers are also available with Diamondback double wall tube construction and heavy duty construction for high temperature applications as well as tank heater designs.

Materials:
Standard Copper (tubes), carbon steel (shell, tube sheet, baffles) Optional Brass (tubes, tube sheets, baffles), bronze (heads), stainless steel (tubes, tube sheets, heads, shells, baffles), 90/10 Cu-Ni (tubes)

Standard SU Heat Exchanger with Steel Tubesheet Copper Tubes
B&G Model #SU43-2
12-Digit B&G DWG #5-260-04-036-011
New “Hard” Part #
BY526004036011

Unit with Cast Iron Head Brass Tubesheet Copper Tubes
Old B&G Part #
125249
12-Digit B&G DWG #
5-261-04-036-001

Unit with Cast Brass Head Brass Tubesheet Copper Tubes
Old B&G Part #
125248
12-Digit B&G DWG #5-261-04-036-004