SteamEraa India Private Limited is an Indian manufacturing company specializing in steam engineering products, industrial valves, and innovative solutions for efficient steam management.

Contact Info
Location

Pune, Maharashtra, India

STT54 TD Traps

STT54 Thermodynamic Steam Trap

The STT54 Thermodynamic Steam Trap is designed for the automatic removal of condensate and air from steam systems while minimising the loss of live steam. It operates on the thermodynamic effect created by changes in pressure and velocity as condensate and flash steam pass through the trap. The compact, robust construction incorporates a replaceable seat and disc to facilitate maintenance and component replacement. Manufactured with an ASTM A182 Gr. F91 body Alloy Steel construction for High pressure & Temperature conditions.

Technical Specifications

Parameter Specification
Product Name Thermodynamic Steam Trap
Model STT54
Nominal Sizes 15NB, 20NB & 25NB
Body Material ASTM A182 Gr. F91
Operating Principle Thermodynamic Disc Mechanism
Construction Compact, Robust
End Connections Socket-weld & Butt weld
Seat Construction Replaceable Seat & Disc
Internal Disc & Seat Materials Hardened ASTM A681 D2
Strainer Screen AISI 304
Insulation Cover All-weather Insulation Cover

Key Features

  • img Thermodynamic Disc Operation: Uses pressure and velocity changes associated with steam and condensate flow to control discharge and reduce live-steam loss during normal operation.
  • img Replaceable Seat & Disc: Allows servicing of key internal components without replacing the complete trap, subject to the approved maintenance procedure.
  • img Compact Construction: Supports installation in space-constrained steam distribution and condensate drainage arrangements.
  • img Robust F91 Body: ASTM A182 Grade F91 body material provides a basis for high-pressure-temperature steam service.
  • img All-Weather Insulation Cover: An insulation cover can help reduce heat loss and limit the effects of external weather exposure; its material, thermal performance and environmental rating require confirmation.

Design & Operating Conditions

Parameter Specification
PMA (Maximum Allowable Pressure) 250 bar(g)
TMA (Maximum Allowable Temperature) 550°C
PMO (Maximum Operating Pressure) 120 bar(g)
Minimum Differential Pressure for Reliable Operation 8 bar
Cold Hydro Test Pressure 375 bar(g) @ RT
Outlet Back Pressure Must remain below 50% of the inlet pressure.

Applications

The STT53 Thermodynamic Steam Trap is intended for consideration in the following industrial steam applications.

  • img High-Pressure Boiler Steam Lines: High-pressure boiler steam lines and associated condensate drainage points.
  • img Power Generation Plants: Power generation plants and thermal power station steam systems.
  • img Refinery & Petrochemical Industries: Refinery and petrochemical process steam networks.
  • img High-Temperature Process Steam: High-temperature industrial process steam lines.
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