STD42 Thermodynamic (Disc) Steam Trap

STD42 Thermodynamic (Disc) Steam Trap

Description

Working Principle
  • Relying on the velocity difference between steam and liquid.
  • Exclude saturated condensate
Features
  • The valve body and valve bonnet are all made of forged steel.
  • The valve disc and valve 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 50% or more.
  • To exclude low temperature traps with large subcooling degree, it
    needs to be customized.

 

Technical Standard
  • ISO 6553; Automatic steam traps-Marking
  • ISO 6554: Automatic steam traps -Face-to-face dimensions
  • ISO 6948: Automatic steam traps – Production and performance
    characteristic tests
Technical Parameter
Nominal pressure PN63
Max. allowable pressure (Shell) 5.45MPa/200°C
Max. allowable temperature (Shell) 350°C/4.59MPa
Factory steam action test >3次/1.6MPa
Max. operating pressure 4.2MPa
Max. operating temperature 350°C
Factory cold test pressure 9.5MPa
Air test 2.0MPa

 

Bonnet: A105/F304/F316/F11
Body: A105/F304/F316/F11
Seat:440C
Disc: 440C
Screen: 304

std42 1

std42 2

unit (mm)

Connection Pressure DN(IN) L H h W KG
T/W PN16/25/40/63CL150/300 15(1/2″) 90 127 70 55 1.7
20(3/4″) 90 127 70 55 1.8
25(1″) 90 127 70 55 1.9
32(11/4″) 150 127 70 55 3.2
40(11/2″) 150 127 70 55 3.3
50(2″) 150 127 70 55 3.4
F PN16/25/40/63CL150/300 15(1/2″) 150 127 70 55 5.3
20(3/4″) 150 127 70 55 5.5
25(1″) 150 127 70 55 5.7
32(11/4″) 150(PN63/300LB:170) 127 70 55 6.1
40(11/2″) 150(PN63/300LB:170) 127 70 55 6.5
50(2″) 150(PN63/300LB:170) 127 70 55 7.1

 

• T:Thread;W:Weld;F:Flange.

Suitable for saturated or superheated steam pipeline drainage

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