CLEAN SERVICE
TYPE 481
Industries
Approvals
Type 481 LESER Clean Service pressure relief valves are designed, marked, produced and approved according to the requirements of the following regulations:
UV
Technical Specifications for Type 481
Nominal Diameter at Inlet
DN15 - DN25 | 3/4" - 1"
Orifice
0.5 x D
Actual Orifice Diameter dâ‚€
10 mm | 0.394 in
Actual Orifice Area Aâ‚€
78.5 mm² | 0.122 in²
Pressure
0.1 - 68 bar | 1.5 - 986 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 or ISO 2852 Threaded connection acc. to DIN ISO 228 or ASME B 1.20.1, Aseptic clamps acc. to DIN 11864 T1 Series A or B (with nut) or DIN 11851, Neumo-Sterile thread (with nut)
Approvals
PED/ DIN EN ISO 4126-1, PED/ AD 2000-Merkblatt A2, ASME Section XIII certified for Section VIII Div. 1 service, CRN, AQSIQ, EAC
Specials
Designed and manufactured acc. to: DIN 11866, ASME BPE, EN 1672-2, DIN ISO 14159, USP class VI and FDA 21 CFR
Downloads
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