LESER Clean Service Safety Valve Type 488
LESER Clean Service Safety Valve Type 488

Clean Service

Type 488

Safety valve with high capacities and a variety of aseptic connections

Approvals

LESER Clean Service safety valves of Type 488 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 488

Nominal Diameter at Inlet
DN 25 - DN 100 | 1" - 4"
Orifice
G - P
Actual Orifice Diameter d₀
23 - 92 mm | 0.906 - 3.622 in
Actual Orifice Area A₀
416 - 6648 mm² | 0.644 - 10.304 in²
Pressure
0.1 - 16 bar | 1.5 - 232 psig
Temperature (in accordance with DIN EN)
-45 to 250 °C | -49 to 482 °F
Body Material
1.4404 | SA 479 316L
Valve Connection
Clamps acc. to ASME BPE, DIN 32676, ISO 2852 , Aseptic clamp acc. to DIN 11864 T1 Series A or B (with nut) or DIN 11851, Neumo Sterile thread (with nut), Welded end connection acc. to DIN 11850, Flange acc. to DIN EN 1092 / ASME B 16.5 / DIN 11864 T2 Series A or B, Aseptic flange, Nut flange, Smooth flange, Varlvent connection
Bellows Material (optional)
EPDM
Load Type
Spring loaded
Approvals
PED/ DIN EN ISO 4126-1, PED/ AD 2000-Merkblatt A2, ASME Sec. VIII Div. 1, CRN, AQSIQ, EAC
Specials
HyTight Assembly Designed and manufactured acc. to: DIN 11866, ASME BPE, EN 1672-2, DIN ISO 14159, USP class VI and FDA 21 CFR
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