SFT50 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.

SFT50 Lever Ball Float Steam Trap

Description

Working Principle

Based on the differential density of steam and liquid.

Features
  • Valve body and bonnet are made of cast steel, forged steel.
  • All internal parts are made of stainless steel, which improves the service life of the steam trap.
  • Adopting double balanced valve seat, with an ultra long service life.
  • Built-in air exhaust valve to prevent steam lock.
  • Water seal design, no original steam leakage.
  • Choose different capacity curves according to the differential pressure.
  • Back pressure rate is as high as 95%.
  • Drain plug is designed at the bottom of the steam trap to ensure that the internal water will be drained, to prevent floating ball from freezing damage in cold weather.

 

Technical Standard
  • GB/T12250-2005Steam Trap Terminology Marking Structure Length
  • GB/T22654-2008 Technical Conditions for Steam Trap
  • GB/T12251-2005Test Methods for Steam Trap Characteristic Testsfrom freezing damage in cold weather.
  • ISO 6948 Automatic Steam Trap Production and Performance

Production and performance characteristic tests

Technical Parameters
Nominal pressurePN40
Max. allowable pressure (Shell)3.92MPa/200℃
Max. allowable temperature (Shell)450℃/1.66MPa
Factory steam action test>3 times/1.6MPa
Max. operating pressure3.2MPa
Max. operating temperature350℃
Factory cold test pressure6.0MPa
Air test2.0MPa

Bonnet: WCB
Body: WCB
Seat :420
Disc: 420
Other internal parts: 304

SFT50 Displacement Curve

Lever Ball Float Steam Trap SFT50 Structure Diagram

unit (mm)

ModelSizeLHH1WWeight
SFT50DN3223026512234027.5Kg
SFT50DN4023026512234027Kg

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