Technical specifications Type 459
- Nominal Diameter Inlet - Thread
- 1/2" - 1 1/2" | 1/2" - 1 1/2"
- Nominal Diameter Inlet - Flange
- DN 15 - DN 25 | 1/2" - 1"
- Actual Orifice Diameter d₀
- 9 - 17.5 mm | 0.354 - 0.689 in
- Actual Orifice Area A₀
- 63.6 - 241 mm² | 0.099 - 0.374 in²
- Pressure
- 0.2 - 250 bar | 2.9 - 3626 psig
- Flange Rating Inlet
- PN 40 - PN 400 | CL150 - CL2500
- Temperature (in accordance with DIN EN)
- -273 to 450 °C | -459 to 842 °F
- Temperatur (nach ASME)
- -196 to 450 °C | -321 to 842 °F
- Material Outlet Body
- 1.0619, 1.4408, 0.7043 | SA 216 WCB, SA 351 CF8M, Duktil Gr. 60-40-18
- Material inlet body
- 1.4104, 1.4404 | SA 479 430, SA 479 316L
- Valve Connection
- Thread acc. to DIN ISO 228-1, ISO 7-1 / BS 21 or ASME B1.20.1, Flange acc. to DIN EN 1092-1 or ASME B16.5
- Bellows Material (optional)
- Stainless steel, elastomer and hastelloy
- Load Type
- Spring loaded
- Approvals
- PED/ DIN EN ISO 4126-1, AD 2000-Merkblatt A2, ASME Sec. VIII Div. 1, CRN, AQSIQ, EAC
- Classification societies
- LR, DNV GL, BV, ABS
