Description
Spirax Sarco FT44 carbon steel float steam trap (DN80 and DN100) features an integral automatic air vent, flanged connections, and horizontal installation only. A 2” BSP or NPT threaded hole can be drilled in the cover as required for installation of a blowdown valve. This product complies with European Pressure Equipment Directive 97/23/EC. An EN 10204 3.1 certificate is available; specify this requirement when ordering.
Size and Pipe Connections
DN80 and DN100 standard flanges, including EN1092 PN40, EN1759-1, or ANSI class 150/300, JIS/KS 20K.
Materials
| No. | Component | Material |
|---|---|---|
| 1 | Body | Cast steel 1.0619 + N / WCB |
| 2 | Cover bolts and nuts | Steel BS 4882 MB7, BS 3692 Gr. 8 |
| 3 | Cover gasket | Reinforced exfoliated graphite |
| 4 | Cover | Steel 1.0619+N / WCB |
| 5 | Main valve assembly | Stainless steel BS 3146 Pt. 2 ANC 2 |
| 6 | Main valve assembly gasket | Reinforced exfoliated graphite |
| 7 | Main valve assembly bolts and nuts | Stainless steel BS 6105 A4-80 |
| 8 | Float linkage mechanism | Stainless steel BS 1449 304 S16 |
| 9 | Air vent assembly | Stainless steel |
| 10 | Air vent seat gasket | Stainless steel BS 1449 409 S19 |
Operating Range
Body design rating: PN40.
-
PMA maximum allowable pressure: 40 bar g @ 100℃
-
TMA maximum allowable temperature: 300℃
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Minimum allowable temperature: -10℃
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PMO maximum operating pressure with saturated steam: 32 bar g @ 239℃
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TMO maximum operating temperature: 300℃ @ 27.5 bar g
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Minimum operating temperature (consult Spirax Sarco for low-temperature applications): -10℃
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ΔPMX maximum differential pressure: FT44-4.5: 4.5 bar, FT44-10: 10 bar, FT44-21: 21 bar, FT44-32: 32 bar
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Maximum designed cold hydraulic test pressure: 60 bar g (Note: after internal components are installed, the test pressure must not exceed 48 bar g)
Safety Information, Installation, and Maintenance
For detailed information, refer to the installation and maintenance guide supplied with the product (IM-S02-30). Installation note: install according to the flow direction indicated on the body, and ensure that the float arm is horizontal so the float can move freely in the vertical direction. This product is recyclable and, when disposed of properly, does not pose a hazard to the environment.
Ordering Information
Example: 1 - Spirax Sarco DN100, FT44-4.5 float steam trap, EN1092 PN40 flanged connection, cast steel body, with air vent assembly.
Ordering Spare Parts
Order spare parts as listed in the table above, specifying the trap model and size. Example: 1 - air vent assembly for DN100, FT44-4.5 steam trap.