Flow direction & closure
Define flow rate, installation orientation and allowable pressure loss. Include reverse-flow conditions and the required closing behaviour.
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| Available Sizes | DN65-DN100 |
|---|---|
| Connection Type | Socket Weld |
| Pressure Rating | PN40 |
| Body Material | CF8 |
| Disc Material | S30408 |
| Size | DN65 · DN80 · DN100 |
| Media | LNG. LO2. LN2. LAr |
Catalogue options. Operating limits depend on the selected size, materials and configuration.
Cryogenic lift check valve with a CF8 body and socket-weld ends for low-temperature non-return service. Confirm the medium, minimum design temperature, pressure, flow direction and installation orientation.
Applications: Cryogenic applications
For technical documentation or assistance with your selection, contact Nordic Valves.
Cryogenic lift check valve with a CF8 body and socket-weld ends for low-temperature non-return service. Confirm the medium, minimum design temperature, pressure, flow direction and installation orientation.
| Specification | Catalogue data |
|---|---|
| Size range | DN65-DN100 |
| Connection | Socket Weld |
| Nominal rating | PN40 |
| Operation | Automatic non-return |
| Source temperature* | -196°C to +80°C |
| Catalogue media | LNG, LOX, LN2, LAr |
Catalogue options. Nominal ratings are not the allowable pressure at every temperature; confirm the selected configuration. *Documented family temperature range; confirm pressure-temperature limits and the selected trim.
| Component | Catalogue material |
|---|---|
| Body | CF8 |
| Disc | S30408 |
Materials shown are the published catalogue construction. Confirm seat, seals and any service-specific trim with the quotation.
| DN | H | L | D0 | D1 | D2 | B | Weight (kg) |
|---|---|---|---|---|---|---|---|
| 65 | 112 | 216 | Ø65 | Ø70 | Ø76 | 7 | 10 |
| 80 | 118 | 241 | Ø80 | Ø81 | Ø89 | 8 | 14 |
| 100 | 138 | 292 | Ø100 | Ø100 | Ø108 | 9 | 16 |
Linear and diameter dimensions are in mm; weights are in kg. Pressure bands are in MPa (1 MPa = 10 bar). Height and length datums follow the drawing. Thread designations and ISO mounting codes are not linear dimensions. PN50 socket-weld body reference. The current product offers PN40; confirm the PN40 body drawing before using these dimensions. Use the approved order drawing for installation and fabrication.
| Component | Source arrangement material |
|---|---|
| Hexagon Screw | S30408 |
| Gasket | S30408 |
| Hexagon Nut | S30408 |
| Bonnet | CF8 |
| Split Pin | S30408 |
| Gasket | RPTFE |
| Disc | S30408 |
| Body | CF8 |
| Disc Sealing | PTFE |
Materials apply to the supplied reference arrangement. PN50 socket-weld body reference. The current product offers PN40; confirm the PN40 body drawing before using these dimensions.
| Engineering data | Configuration requirements |
|---|---|
| Dimension data | Reference table and drawing: DN65, DN80, DN100. Dimensions and connection reference. |
| Installation drawing | Confirm end-to-end length, socket bore/depth, pipe size and wall thickness, overall height and operating/removal clearance. |
| Pressure-temperature rating | Obtain the allowable-pressure table or curve versus temperature for the selected body, seat and seals, including minimum and maximum design temperature. Nominal rating and a family temperature range do not define this curve. |
Nominal pressure class, temperature range and relief set pressure are separate specifications. Confirm the allowable pressure at the design temperature for the selected construction.
PN50 socket-weld body reference. The current product offers PN40; confirm the PN40 body drawing before using these dimensions.
Valves for liquefied-gas transfer and storage, with options for stem extensions, end connections and pressure relief.
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Include the required installation drawing, material documentation and testing requirements. Confirm the final configuration and its operating limits with your enquiry.
Include the operating conditions in your enquiry. Add your medium, pressure, temperature and documentation requirements alongside the selected options.
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