SFT30A Lever Float Proportional Regulating 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.

SFT30A Lever Float Proportional Regulating 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 steam lock.
  • The independent filter makes the trap work in a clean environment.
  • Choose different displacement curves according to the pressure.

 

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 pressure PN63
Max. allowable pressure (Shell) 6.27Mpa/200℃
Max. allowable temperature (Shell) 450 ℃/2. 6MPa
Factory steam action test >3 times/1. 6MPa
Max. working pressure 4. 2MPa
Max. operating temperature 350 ℃
Factory cold test pressure 9. 5MPa
Air test 0. 6MPa

Bonnet: WCB
Body: WCB
Seat: Martensitic Stainless Steel
Disc: Martensitic Stainless Steel
Other internal parts: Austenitic Stainless Steel

SFT30A Displacement Curve

Lever Ball Float Steam Trap SFT30A Structure Diagram

unit (mm)

Model Size L H H1 W K Weight
SFT30AF DN20 150 222 115 325 170 5.5Kg
SFT30AF DN25 150 222 115 330 170 5.5Kg

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