Type 447 IC | LESER - The Safety Valve

Critical Service

Type 447 IC

Safety valve with PFA lining at the inlet and outlet area for corrosive media

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Approvals

LESER Critical Service safety valves of Type 447 are designed, marked, produced and approved according to the requirements of the following regulations:

Technical specifications Type 447 IC

Nominal Diameter at Inlet
DN 25 - DN 100 | 1" - 4"
Actual Orifice Diameter d₀
23 - 92 mm | 0.91 - 3.62 in
Actual Orifice Area A₀
416 - 6648 mm² | 0.645 - 10.304 in²
Pressure
0.1 - 16 bar | 1.45 - 232 psig
Flange Rating Inlet
CL150
Temperature (in accordance with DIN EN)
-85 to 200 °C | -121 to 392 °F
Temperatur (nach ASME)
-29 to 200 °C | -200 to 392 °F
Body Material
SA 216 WCB and A 105 with PFA lining
Valve Connection
Flange acc. to ASME B 16.5
Bellows Material (optional)
PTFE
Load Type
Spring loaded
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