Technical specifications Type 437
- Nominal Diameter Inlet - Thread
- G 3/8 - 1 | NPT 1/2" - 1"
- Nominal Diameter Inlet - Flange
- DN 15 - DN 25 | 1/2" - 1"
- Actual Orifice Diameter d₀
- 6 - 10 mm | 0.236 - 0.394 in
- Actual Orifice Area A₀
- 28.3 - 78.5 mm² | 0.044 - 0.122 in²
- Pressure
- 0.1 - 365 bar | 1.5 - 5294 psig
- Flange Rating Inlet
- PN 40 - PN 400 | CL150 - CL2500
- Temperature (in accordance with DIN EN)
- -270 to 280 °C | -454 to 536 °F
- Temperatur (nach ASME)
- -268 to 280 °C | -450 to 536 °F
- Material Outlet Body
- 1.4104, 1.4404 | SA 479 430, SA 479 316L
- Material inlet body
- 1.4104, 1.4404, 1.4404 stellitiert | SA 479 430, SA 479 316L, SA 479 316L stellitiert
- Valve Connection
- Thread acc. to DIN ISO 228-1, DIN ISO 7-1 / BS 21 or ASME B1.20.1, Flange acc. to DIN EN 1092-1 or ASME B16.5
- Bellows Material (optional)
- No bellows
- 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, RINA, DNV GL, BV