STD80 Thermodynamic (Disc) Steam Trap

  • The disc and seat are made of special stainless steel, which is heat treated and aging treatment, no deformation and wear resistance under high temperature and high pressure, improve the service life of the trap.
  • Stainless steel insulation cover to isolate and slow down heat loss and prevent the trap from emptying up phenomenon.

Description

Working Principle

Depends on the difference of steam and liquid flow rate.

Features
  • The Valve body and valve bonnet are all made of forged steel.
  • The disc and seat are made of special stainless steel, which is heat treated and aging treatment, no deformation and wear resistance under high temperature and high pressure, improve the service life of the trap.
  • Stainless steel insulation cover to isolate and slow down heat loss and prevent the trap from emptying up phenomenon.
  • The fluid channel of the internal structure is designed strictly according to Bernoulli’s equation, and the structure is reasonable.
  • Built-in filter makes the trap work in a clean environment.
  • The back pressure rate is as high as 80% or more.

 

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 Parameter
Nominal pressure PN100
Max. allowable pressure(Shell) 9.8MPa/200℃
Max. allowable temperature(Shell) 450℃/7.29MPa
Factory steam action test >3 times/1.6MPa
Max. working pressure 8.0MPa
Max. operating temperature 420℃
Factory cold test pressure 15.0MPa
Air test 2.0MPa

Bonnet: 15CrMo
Body: 15CrMo
Seat: 440C
Disc: 440C
Other internal parts: 304

STD80 Displacement Curve

Thermodynamic (Disc) Steam Trap STD80 Structure Diagram

unit (mm)

Model Size L H Hl W Weight
STD80W DN15-25 85 112 25 80 4. 0Kg
STD80F DN15-25 190 112 25 80 7. 5Kg

•Suitable for saturated or superheated steam pipeline drainage.

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