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Model HFF

Model HFF From Xylem, ITT Standard, Standard Xchange

Xylem/Standard Xchange, the recognized leader in heat transfer products, systems and technology, has been providing state-of-the-art solutions to heat transfer problems for more than 90 years, a tradition which continues with Model HFF.

Today the company is devoted exclusively to the design, engineering and manufacture of shell-and-tube, gasketed plate, brazed plate and air-cooled heat exchanger products. Xylem, Standard Xchange heat exchangers are engineered and manufactured by experienced craftsmen who have been devoted to the science of heat transfer not just for years, but for generations. And because we offer such a wide assortment of different heat exchanger designs, we can assure you of getting the optimum heat transfer solution to your specific application, without bias toward any one particular (or proprietary) product line.

DETAILS ON MODEL HFF:

  • Compact design with shell diameters 2 to 8 inches, standard tube lengths 8 to 72 inches, with custom tube lengths up to 144 inches.
  • Similar to the Xylem models BCF and HCF but with more customization options, including SAE shell side connections. 
  • Custom design features include materials, special tube lengths, nozzle orientations, feet locations, and baffle spacing.
  • Available in 1, 2 and 4 tube side pass configurations, covering areas as large as 247 sq. ft.
  • 2 Week Standard lead-times with expediting options for same day, three-day, or five-day available for many units.
  • SAE shell side connections

ADVANTAGES TO USING MODEL HFF

  • Costs less than removable bundle heat exchangers.
  • Provides maximum heat transfer surface area per given shell and tube size.
  • Easily interchangeable with designs from various manufacturers.
  • Flanged lip baffles provide close tolerance, high efficiency and additional tube support.
  • Enlarged bundle entrance area of hub/tubesheet design lowers pressure loss and entrance velocity.
  • Tube side can be cleaned mechanically or with steam.
  • Only tube side fluids exposed to gaskets.
  • No packed joints.

EXCHANGER TYPE

  • Straight Tube
  • Fixed Tubesheet

APPLICATIONS

  • To heat or cool water or lube oil; condense steam.
  • Use for auxiliary machinery, engines, turbines, lasers, and compressors.
  • Excellent choice for pilot plants.

LIMITATIONS TO MODEL HFF

  • No provision for differential expansion of tubes and shell.
  • Shell side may not be cleaned mechanically.

MATERIALS FOR MODEL HFF
SHELL
Brass
TUBES
Brass shell with Copper or 90/10 CuNi tube options. Tube Diameter Options: 1/4″, 3/8″ and 5/8″ OD.
HUBS
Brass with SAE four bolt shell side connections
BONNETS
Cast Iron with option for Cast Bronze
FEET & BOLTING
Carbon Steel

MODEL HFF STANDARD DESIGN CAPABILITIES – XYLEM – STANDARD XCHANGE – ITT STANDARD

Design Pressure
Design Temperature
Tube Side
150 psi
10.5 kg/cm²
300°F
148.9°C
Shell Side
300 psi
21.1 kg/cm²
300°F
148.9°C

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