CLEAN SERVICE

TYPE 488

Industries

Approvals

Type 488 LESER Clean Service pressure relief valves are designed, marked, produced and approved according to the requirements of the following regulations:

Technical Specifications for 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 150 °C | -49 to 302 °F

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 thread (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 Section XIII certified for Section VIII Div. 1 service, 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