VMV水波纹

SFT40A 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.

SFT40A Lever Ball Float Steam Trap

Description

Working Principle

Based on the density of vapor and liquid.

Features
  • 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.
  • Special flow channel design to achieve zero water hammer.
  • Patented flexible closing system and micron-level precision closing system double guarantee no steam leakage and long service life.
  • Built-in air exhaust valve to prevent air lock.
  • The independent filter makes the trap work in a clean environment.
  • Choose different displacement curves according to the pressure.
  • The back pressure rate is as high as 95%
  • The drain plug is designed at the bottom of the trap to ensure that the internal water will be removed, to prevent floating ball from freezing in cold weather.

 

Technical Standard
  • GB/T12250-2005 Steam Trap Terminology Marking Structure Length
  • GB/T22654-2008 Technical Conditions for Steam Traps
  • GB/T12251-2005 Test Method for Steam Traps
  • ISO 6948 Automatic steam traps

Production and performance characteristic tests

Technical Parameters
Nominal pressurePN25
Max. allowable pressure (Shell)2.45MPa/200℃
Max. allowable temperature (Shell)450℃/1.03MPa
Factory steam action test>3 times/1.6MPa
Max. operating pressure1.6MPa
Max. operating temperature350℃
Factory cold test pressure3.8MPa
Air test2.0MPa

Bonnet: A105/F304/F316
Body: WCB/CF8/CF8M
Seat: Martensitic Stainless Steel
Disc: Martensitic Stainless Steel
Other internal parts: Austenitic Stainless Steel

SFT40 Displacement Curve

Lever Ball Float Steam Trap SFT40 Structure Diagram

unit (mm)

ModelSizeLHH1WWeight
SFT40TDN25-3221025410731520Kg
SFT40WDN25-3221025410731520Kg
SFT40FDN25-5027025410731526Kg

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