The SFT50 Lever Float Steam Trap features a robust cast steel body and cover, complemented by full stainless steel internals. It incorporates a special flow channel design engineered to eliminate water hammer, along with a dual balance seat for an extra-long service life. A built-in air vent prevents air lock, and its water seal design ensures zero live steam leakage. This trap achieves a back pressure ratio of up to 95%. Additionally, a bottom drain plug allows for the removal of internal water after shutdown, effectively preventing float freezing.
Home/Lever Float Steam Trap SFT50 · SFT50-DN40-230-260-120-331-27kg/
Product Characteristics 1

VMV
,Body Material
WCB/SS
Max Working Pressure
1.6 – 3.2 MPa
Nominal Pressure
PN40
Connection
Flanged
Max Allowable Pressure (Shell)
3.92MPa/200°C
Max Allowable Temperature (Shell)
450°C/1.66MPa
Factory Steam Action Test
>3 times/1.6MPa
Max Working Temperature
350°C
Factory Cold Test Pressure
6.0MPa
Air Seal Test Pressure
2.0MPa
Technical Standards
GB/T12250-2005; GB/T22654-2008; GB/T12251-2005; ISO 6948
产品型号
SFT50
公称尺寸
DN40
L
230
H
260
H1
120
W
331
重量
27 kg
Body CoverWCB
BodyWCB
SeatMartensitic Stainless Steel
DiscMartensitic Stainless Steel
Other InternalsAustenitic Stainless Steel
- Technical Drawing 1

- Technical Drawing 2

Product Description
Technical Parameter
Configuration List
Technical Drawing
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