LESER High Performance Safety Valve Type 441 442 DIN

High Performance

Type 441 IC

Flanged standard pressure series for the Indian market suitable for steam, gas and liquid service. They have proven themselves as a universal safety valve for many applications.

Approvals

LESER High Performance safety valves of Type 441 IC are designed, marked, produced and approved according to the requirements of the following regulations:

  • Approval IBR
  • Approval PESO

Technical specifications Type 441 IC

Nominal Diameter at Inlet
DN 25 - DN 200 | 1" - 8"
Actual Orifice Diameter d₀
18 - 165 mm | 0.71 - 6.5 in
Actual Orifice Area A₀
415.,27 - 21382 mm² | 0.644 - 33.142 in²
Pressure
0.1 - 40 bar | 1.5 - 568,8 psig
Flange Rating Inlet
PN 16 - PN 40 | CL150 - CL600
Temperature (in accordance with DIN EN)
-268 to 540 °C | -450 to 1000 °F
Body Material
WCB, LCB, WC6, CF8M, CF3M
Valve Connection
Flange acc. to DIN EN 1092-1 or acc. to ASME B 16.5
Bellows Material (optional)
Stainless steel
Load Type
Spring loaded
Approvals
IBR, PESO (CCOE), any TPI upon request
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