Leser 483 Series

Technical Data

• Nominal Diameter At Inlet: DN 25 – DN 40 | 1″-2″
• Orifice: D-F
• Actual Orifice Diameter d₀: 13 – 25 mm | 0.512 – 0.984 in
• Actual Orifice Area A₀: 133 – 491mm² | 0.205 – 0.761 in²
• Pressure: 0.1 – 16 BAR | 1.5 – 232 PSIG
• Temperature (per DIN EN): -45 to 150℃ | -49 to 302℉
• Body Material: 1.4435 (BN2) | SA 479 316L
• Valve Connection:
  • Clamps acc. to ASME BPE, DIN 32676, ISO 2852, Aseptic clamps acc. to DIN 11864 T1 Series A or B (with nut) or DIN 11851, Neumo Sterile threat (with nut).
  • Welded end connection acc. to DIN 11850, Flange acc. to DIN 11864 T2 Series A or B, Aseptic flange, Nut flange, Smooth flange, Varivent 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.