SFT70 Lever Ball Float Steam Trap

  • The body and bonnet are made of cast steel/forged steel.
  • All internal parts are made of stainless steel, and the wear allowance has been fully considered in the design of movable parts, which improves the service life of the trap.

SFT70 Lever Ball Float Steam Trap

Description

Working Principle
  • Based on the differential density of steam and liquid.
Features
  • The valve body and bonnet are made of cast steel.
  • All internal parts are stainless steel to ensure a long service life of the
    steam trap.
  • Special flow passage design eliminates water hammer,
  • Double balanced seat design ensures an extra-long service life.
  • Built-in air vent prevents air locking.
  • Independent filter allows the steam trap to operate in a clean
    environment.
  • Back pressure rating≥95%
  • A drain plug is designed at the bottom of the steam trap to discharge
    internal accumulated water and prevent the float from freezing damage.

 

Technical Standard
  • ISO 6553: Automatic steam traps -Marking
  • ISO 6554: Automatic steam traps – Face-to-face dimensions
  • ISO 6948: Automatic steam traps – Production and performance
    characteristic tests
Technical Parameters
Nominal pressure PN40
Max. allowable pressure (Shell) 3.46MPa/200℃
Max. allowable temperature (Shell) 350℃/2.92MPa
Factory steam action test >3 times/1.6MPa
Max. operating pressure 3.2MPa
Max. operating temperature 350℃
Factory cold test pressure 6.0MPa
Air test 2.0MPa

 

Bonnet:WCB
Body:WCB
Seat: 420
Disc: 420
Other trims:304

SFT70 1

SFT70 2

unit (mm)

Connection Pressure DN(IN) L H h W KG
T/W PN16/25/40CL150/300 40(11/2″) 360 345 135 385 53.6
50(2″) 360 345 135 385 53.9
F PN16/25/40CL150/300 40(11/2″) 360 345 135 385 56.5
50(2″) 360 345 135 385 57.3
65(21/2″) 360(300LB:L=400) 345 135 385 58.9
80(3″) 360(300LB:L=400) 345 135 385 61.1
100(4″) 400 345 135 385 66.7

 

 

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