Spirax Sarco UTDS46M Universal Thermodynamic Trap


The UTDS46M is a maintainable stainless steel thermodynamic steam trap with integral strainer, integral air vent, insulation cover and a replaceable seat to ease maintenance. It has been specifically designed for low capacity applications up to 667psig (46 bar g). The UTDS46M is attached to a suitable pipeline connector by two screws for quick and easy installation, maintenance and replacement.

Optional extra: At extra cost a BDV2 integral blowdown valve can be pre-fitted to the strainer cap but must be specified at the time of order placement.

Body design conditions: ASME Class 600
– PMA Maximum allowable pressure 1440 psig @ 100°F (99.3 bar g @ 38°C)
– TMA Maximum allowable temperature 797°F @ 812 psig (425°C @ 56 bar g)
Minimum allowable temperature -40°F (-40°C)
– PMO Maximum operating pressure 667 psig @ 797°F (46 bar g @ 425°C)
– TMO Maximum operating temperature 797°F @ 667 psig (425°C @ 46 bar g)
Minimum operating pressure 22 psig (1.5 bar g)
Minimum operating temperature 32°F (0°C)

PMOB Maximum operating backpressure is 80% of the upstream pressure
Designed for a maximum cold hydraulic test pressure of 2161 psig (149 bar g)

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Additional information

Weight 3.9 lbs
Dimensions 4 × 4.4 × 4 in








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