VMV水波纹

STD42 Thermodynamic (Disc) Steam Trap

  • The body and cover 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.

STD42 Thermodynamic (Disc) Steam Trap

Description

Working Principle

Depends on the difference of steam and liquid flow rate

Exclude saturated condensate

Features
  • The body and cover 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.
  • To exclude low temperature traps with large subcooling degree, it needs to be customized.

 

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 pressurePN63
Max. allowable pressure(Shell)6.27MPa/200℃
Max. allowable temperature(Shell)450℃/2.6MPa
Factory steam action test>3 times/1.6MPa
Max. working pressure4.2MPa
Max. operating temperature350℃
Factory cold test pressure9.5MPa
Air test2.0MPa

Bonnet: A105/F304/F316
Body: A105/F304/F316
Seat: Martensitic stainless steel
Disc: Martensitic stainless steel
Other internal parts: Martensitic stainless steel

STD42 Displacement Curve

Thermodynamic (Disc) Steam Trap STD42 Structure Diagram

unit (mm)

ModelSizeLHH1WWeight
STD42TDN15-259012668551.8Kg
STD42WDN15-259012668551.8Kg
STD42FDN15-2515012668555.5Kg

• Suitable for saturated or superheated steam pipeline drainage.

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