Technical specifications Type 438
- 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
- 10 mm | 0.394 in
- Actual Orifice Area A₀
- 78.5 mm² | 0.122 in²
- Pressure
- 5 - 180 bar | 72.5 - 2610 psig
- Flange Rating Inlet
- PN40 - PN400 | CL150 - CL2500
- Temperature (in accordance with DIN EN)
- -29 to 150 °C | -49 to 302 °F
- Temperatur (nach ASME)
- -45 to 150 °C | -49 to 302 °F
- Material Outlet Body
- 1.4104, 1.4404 | SA 479 430, SA 479 316L
- Material inlet body
- 1.4104, 1.4404 | SA 479 430, SA 479 316L
- 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 Section XIII certified for Section VIII Div. 1 service, CRN, AQSIQ, EAC
- Classification societies
- LR, RINA, DNV GL, BV
