Technical specifications Type 441, 442 ANSI

Nominal Diameter at Inlet

DN 25 - DN 100 | 1" - 4"

Actual Orifice Diameter d₀

23 - 92 mm | 0.91 - 3.62 in

Actual Orifice Area A₀

416 - 6648 mm² | 0.644 - 10.304 in²

Pressure

0.1 - 51 bar | 1.5 - 740 psig

Flange Rating Inlet

CL150 - CL300 | CL150 - CL300

Temperature (in accordance with DIN EN)

-270 to 450 °C | -454 to 842 °F

Temperatur (nach ASME)

-268 to 538 °C | -450 to 1000 °F

Body Material

1.0619, 1.4408 | SA 216 WCB, SA 351 CF8M

Valve Connection

Flange acc. to ASME B 16.5 or acc. to JIS 2220

Bellows Material (optional)

Stainless steel and elastomer

Load Type

Spring loaded

Approvals

PED/DIN EN ISO 4126-1, PED/AD 2000-Merkblatt A2, ASME Sec. VIII Div. 1, CRN, AQSIQ, EAC

Classification societies

LR, RINA, DNV GL, BV, ABS