LESER Compact Performance Safety Valve Type 462
LESER Compact Performance Safety Valve Type 462
LESER Compact Performance Safety Valve Type 462

Compact Performance

Type 462

Safety valve with o-ring disc

Approvals

LESER Compact Performance safety valves of Type 462 are designed, marked, produced and approved according to the requirements of the following regulations:

  • LESER CE Approvel
  • LESER ASME Approvel
  • LESER EAC Approvel
  • LESER Chinese TS Approvel

Technical specifications Type 462

Nominal Diameter Inlet - Thread
1/2" - 1 1/2" | 1/2" - 1 1/2"
Nominal Diameter Inlet - Flange
DN 15 - DN 25 | 1/2" - 1"
Actual Orifice Diameter d₀
9 - 17.5 mm | 0.354 - 0.689 in
Actual Orifice Area A₀
63.6 - 241 mm² | 0.099 - 0.374 in²
Pressure
0.5 - 250 bar | 7.3 - 3626 psig
Flange Rating Inlet
PN 40 - PN 400 | CL150 - CL2500
Temperature (in accordance with DIN EN)
-45 to 150 °C | -49 to 302 °F
Temperatur (nach ASME)
-45 to 150 °C | -49 to 302 °F
Material Outlet Body
1.0619, 1.4408, 0.7043 | SA 216 WCB, SA 351 CF8M, Duktil Gr. 60-40-18
Material inlet body
1.4104, 1.4404 | SA 479 430, SA 479 316L
Valve Connection
Thread acc. to DIN ISO 228-1, ISO 7-1 / BS 21 or ASME B1.20.1, Flange acc. to DIN ISO 1092-1 or ASME B16.5
Bellows Material (optional)
Stainless steel and elastomer
Load Type
Spring loaded
Approvals
PED/ DIN EN ISO 4126-1, AD 2000-Merkblatt A2, ASME Sec. VIII Div. 1, CRN, AQSIQ, EAC
Classification societies
LR, DNV GL, BV, ABS
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