HIGH PERFORMANCE
TYPE 441, 442 XXL
Industries
Chemical >
Approvals
Type 441, 442 XXL LESER High Performance pressure relief valves are designed, marked, produced and approved according to the requirements of the following regulations:
UV
Technical Specifications for Type 441, 442 XXL
Nominal Diameter at Inlet
DN 250 - DN 400 | 10" - 16"
Actual Orifice Diameter dâ‚€
200 - 295 mm | 7.87 - 11.61 in
Actual Orifice Area Aâ‚€
31416 - 68349 mm² | 48.695 - 105.942 in²
Pressure
0.2 - 25 bar | 2.9 - 363 psig
Flange Rating Inlet
PN 16 - PN 25 | CL150 - CL300
Temperature (in accordance with DIN EN)
-196 to 550 °C | -321 to 1022 °F
Temperature (nach ASME)
-184 to 427 °C | -300 to 800 °F
Body Mateial
1.0460 / 1.0425, 1.4571 | Carbon steel, 316Ti
Valve Connection
Flange acc. to DIN EN 1092-1 or acc. to ASME B 16.5 or acc. to JIS 2220
Bellows Material (optional)
Stainless steel
Load Type
Spring loaded
Appovals
PED/DIN EN ISO 4126-1, PED/AD 2000-Merkblatt A2, ASME Section XIII certified for Section VIII Div. 1 service, CRN, AQSIQ, EAC
Classification societies
LR, RINA, DNV GL, BV, ABS
Downloads
Access all the necessary documents and detailed information for pressure relief valves in our download area.
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