High Performance

Type 444 ANSI

Safety valve with deep-drawn body

Approvals

LESER High Performance safety valves of Type 444 ANSI are designed, marked, produced and approved according to the requirements of the following regulations:

Technical specifications Type 444 ANSI

Nominal Diameter at Inlet
DN 25 - DN 80 | 1" - 3"
Actual Orifice Diameter d₀
23 - 74 mm | 0.91 - 2.91 in
Actual Orifice Area A₀
416 - 4301 mm² | 0.644 - 6.666 in²
Pressure
0.1 - 16 bar | 1.5 - 232 psig
Flange Rating Inlet
CL150 | CL150
Temperature (in accordance with DIN EN)
-45 to 200 °C | -49 to 392 °F
Temperatur (nach ASME)
-45 to 200 °C | -49 to 392 °F
Body Material
1.4404 | SA 479 316L
Valve Connection
Flange acc. to ASME B 16.5 or acc. to JIS 2220
Bellows Material (optional)
No bellows
Load Type
Spring loaded
Approvals
PED/DIN EN ISO 4126-1, PED/AD 2000-Merkblatt A2, ASME Sec. VIII Div. 1, CRN, AQSIQ, EAC

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