Steam traps Steam trap management
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TI-P087-04 EMM Issue 5
Spiratec Type 30 and Type 40 Trap Failure Indicators
Description The Spiratec Type 30 and Type 40 trap failure indicators are used for the detection of steam leaks through steam traps. They are used with: - a sensor chamber and sensor, installed immediately upstream of a steam trap. - a steam trap with a built-in sensor. A remote test point (Spirax Sarco R1 or R12) can be used where access to the trap or chamber is difficult. Three versions of the indicator are available: Spiratec Type 30 Spiratec Type 30 UL approved (described in separate literature) Spiratec Type 40
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The Type 40 is similar to the Type 30, but the Type 40 has an electronic filter to give a steady response where fluctuating pipeline conditions may cause a less stable signal. Type 30 and Type 40 indicators are battery powered, and are connected to the sensor using the 1.25 m (4.1 ft) cable provided. The trap status is indicated with red and/or green LEDs. A test circuit indicates low battery or a faulty unit.
Limiting conditions Maximum ambient temperature
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40 °C (104 °F)
Minimum ambient temperature
0 °C (32 °F)
Enclosure protection rating
IP20
Warning: The Spiratec Type 30 and Type 40 are not approved for use in hazardous areas. The Spiratec Type 30 (UL Approved) is not approved for use in hazardous areas in the EU.
Materials Enclosure
Polypropylene/Polyamide
Cable sheathing/insulation
Hytrel/Teflon
Battery Not supplied. One 9 V PP3 (MN1604) battery is required.
Operation Full operating instructions are provided with each unit. The cable is plugged into the indicator (3.5 mm (0.14 in) jack plug) and into the sensor to be tested. On pressing the upper button, LEDs will indicate the trap status - green LED - working correctly, i.e. closing to steam, or red LED - trap allowing steam to pass.
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