THERMODYNAMIC DISC TRAPS SERIES S

Thermodynamic Disc Traps – Series S

Thermodynamic Steam Traps operate on the basis of the Bernoulli principle, depending on the relationship between the velocity and the pressure exerted by the condensate and steam inside the steam trap.
They have only one moving part – the disc.

Due to their compact design and cost effectiveness thermodynamic steam traps are widely used in applications where the condensate must be removed immediately from steam lines and steam equipment. They discharge he condensate near the saturation temperature. The traps may operate up to a back pressure of 80% of the inlet pressure, but for smooth operation it is recommended that the back pressure does not exceed 50% of the inlet pressure. Thermodynamic steam traps discharge the condensate intermittently.

 

All steam traps are equipped with a hardened stainless steel disc and seat. After the lapping process all the discs surfaces are controlled individually before releasing them for use in steam traps. These features and very high and severe quality standards for the whole production process give MIYAWAKI’s thermodynamic steam traps a long and reliable service life.

Application
Light to medium condensate loads: steam tracing. Steam main drips, small heat exchangers, unit heaters, sterilizer and many other applications in the petrochemical, chemical, textile, food, pharmaceutical and further industries. 

Series SV Thermodynamic Steam Traps with inbuilt bypass are designed for special applications in the food, pharmaceutical or other industries or laundry applications where costs and spare must be saved.

SD1

Sizes Available Connections Maximum Operating Pressure Maximum Operating Temperature Body and Cover Material Download
1/4″ – 1/2″ Screwed Rc & NPT 31 bar / 450 psig 400°C Stainless Steel

SU2N (SU2H)

Sizes Available Connections Maximum Operating Pressure Maximum Operating Temperature Body and Cover Material Download
 1/2″ – 1″  Screwed
Rc & NPT
Socket weld
JIS, ASME, DIN
Flanged
JIS, ASME, DIN
46 bar / 667 psig (SU2N) 64 bar / 930 psig (SU2H)  425°C Stainless Steel

S55N (S55H)

SizesAvailable ConnectionsMaximum Operating PressureMaximum Operating TemperatureBody and Cover MaterialDownload
 1/2″ – 1″ Screwed
Rc & NPT
Socket weld
JIS, ASME, DIN
Flanged
JIS, ASME, DIN
 46 bar / 667 psig 425°C Forged Steel

S61N

SizesAvailable ConnectionsMaximum Operating PressureMaximum Operating TemperatureBody and Cover MaterialDownload
 1/2″ – 1″ Screwed
Rc & NPT
Socket weld
JIS, ASME, DIN
Flanged
JIS, ASME, DI
 65 bar / 943 psig 425 °CForged Steel

S62N

SizesAvailable ConnectionsMaximum Operating PressureMaximum Operating TemperatureBody and Cover MaterialDownload
 1/2″ – 1″ Screwed
Rc & NPT
Socket weld
JIS, ASME, DIN
Flanged
JIS, ASME, DI
 65 bar / 943 psig 475 °CForged Steel

SC31

SizesAvailable ConnectionsMaximum Operating PressureMaximum Operating TemperatureBody and Cover MaterialDownload
 1/2″ – 1″ Screwed
Rc & NPT
Flanged
JIS, ASME, DIN
 21 bar / 305 psig 220°CStainless Steel

S31N

Sizes Available Connections Maximum Operating Pressure Maximum Operating Temperature Body and Cover Material Download
 1/2″ – 1″  Screwed
Rc & NPT
Flanged
JIS, ASME, DIN
 21 bar / 305 psig  220°C Ductile Cast Iron
 1 1/4″ – 2″  Screwed
Rc & NPT
Flanged
JIS, ASME, DIN
 21 bar / 305 psig  220°C Cast Iron

SC/SF

SizesAvailable ConnectionsMaximum Operating PressureMaximum Operating TemperatureBody and Cover MaterialDownload
 3/4″ – 1″ Screwed
Rc & NPT
Flanged
JIS, ASME, DIN
 16 bar / 230 psig 220°CCast Iron

SL3

SizesAvailable ConnectionsMaximum Operating PressureMaximum Operating TemperatureBody and Cover MaterialDownload
 1/4″ – 1″ Screwed
Rc & NPT
 10 bar / 145 psig 400°CStainless Steel

Steam Traps with Two-Bolt Connection

DC1-21U

Model Sizes Available Connections Maximum Operating Pressure Maximum Operating Temperature Body and Cover Material Download
DC1-21U  1/4″ – 1″  Screwed
Rc & NPT
 10 bar / 145 psig  400°C Stainless Steel
SU2-32U/td>  1/4″ – 1″  Screwed
Rc & NPT
 10 bar / 145 psig  400°C Stainless Steel
UNC-W  1/4″ – 1″  Screwed
Rc & NPT
 10 bar / 145 psig  400°C Stainless Steel