Isolation & flow path
Confirm the required shut-off function, flow path and seat material. Include operating torque, cycling frequency and any actuation requirements.
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| Available Sizes | DN10-DN50 |
|---|---|
| Connection Type | Socket Weld |
| Pressure Rating | PN40 |
| Body Material | CF8 |
| Ball Material | CF8 |
| Size | DN10 · DN15 · DN20 · DN25 · DN32 · DN40 · DN50 |
| Media | LNG. LO2. LN2. LAr, CO2 |
| Maneuvering | Double Acting Actuator · Electric Actuator · Hand Lever · Spring Return Actuator |
| Stem Design | Long stem |
Catalogue options. Operating limits depend on the selected size, materials and configuration.
Long-stem cryogenic ball valve with a CF8 body and socket-weld ends for low-temperature isolation. Include the socket dimensions, medium, design conditions, stem clearance and required operating method in the enquiry.
Applications: Cryogenic applications
For technical documentation or assistance with your selection, contact Nordic Valves.
Long-stem cryogenic ball valve with a CF8 body and socket-weld ends for low-temperature isolation. Include the socket dimensions, medium, design conditions, stem clearance and required operating method in the enquiry.
| Specification | Catalogue data |
|---|---|
| Size range | DN10-DN50 |
| Connection | Socket Weld |
| Nominal rating | PN40 |
| Design | Long stem |
| Operation | double-acting pneumatic, electric actuator, hand lever, spring-return pneumatic |
| Family temperature* | -196°C to +80°C |
| Catalogue media | LNG, LOX, LN2, LAr, CO2 |
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 |
| Ball | CF8 |
Materials shown are the published catalogue construction. Confirm seat, seals and any service-specific trim with the quotation.
| DN | Size (inch) | D bore | ID socket | L1 | C | H1 | H2 | H3 | h | F depth |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 3/8 | 9.6 | 17.8 | 67 | 156 | 39.0 | 200 | 274 | 8 | Not stated |
| 15 | 1/2 | 15.0 | 22.0 | 75 | 156 | 39.0 | 200 | 274 | 8 | 16.2 |
| 20 | 3/4 | 20.0 | 27.4 | 80 | 156 | 42.6 | 200 | 276 | 8 | 18.8 |
| 25 | 1 | 25.0 | 34.1 | 90 | 181 | 47.2 | 200 | 287 | 10 | 20.4 |
| 32 | 1 1/4 | 31.0 | 42.9 | 110 | 181 | 51.2 | 200 | 292 | 10 | 22 |
| 40 | 1 1/2 | 38.0 | 49.0 | 120 | 395 | 58.5 | 300 | 403 | 13 | 23.4 |
| 50 | 2 | 50.0 | 61.5 | 140 | 395 | 76.2 | 300 | 423 | 13 | 24.8 |
All linear dimensions are in mm. L1 = selected end-to-end length; C = handle length. D = ball bore; CD/G = butt-weld end diameters; ID = socket bore. H1, H2, H3 and h follow the exact drawing datums. DN is the nominal-size mapping of the source inch size. Supplied CG3D 3-piece reference, CF8M body and PCTFE seat, socket-weld ends. This is a reference variant of the current CF8 PN40 catalogue product. Confirm the quoted body, extension and connections before installation. Use the approved order drawing for installation and fabrication.
| Component | Source arrangement material |
|---|---|
| Body | CF8M |
| End cap | CF8M / CF3M |
| Ball | CF8M |
| Stem | 17-4 PH stainless steel |
| Ball seat | PCTFE (Kel-F) |
| Body seal | Graphite / PCTFE |
| Thrust washer | PCTFE (Kel-F) |
| O-ring | Viton |
| Stem packing | PCTFE (Kel-F) |
| Handle and fasteners | SS304 |
| Extension | CF8M |
| Thrust bearing | 25% carbon + 75% PTFE |
| Extension gasket | Graphite / PCTFE |
Materials apply to the supplied reference arrangement. Supplied CG3D 3-piece reference, CF8M body and PCTFE seat, socket-weld ends. This is a reference variant of the current CF8 PN40 catalogue product. Confirm the quoted body, extension and connections before installation.
| DN | Square E (mm) | ISO pad A | ISO pad B |
|---|---|---|---|
| 10 | 9 | F04 | F05 |
| 15 | 9 | F04 | F05 |
| 20 | 9 | F04 | F05 |
| 25 | 11 | F05 | F07 |
| 32 | 11 | F05 | F07 |
| 40 | 14 | F07 | F10 |
| 50 | 14 | F07 | F10 |
Source CG3D direct-mount arrangement. F04/F05/F07/F10 are ISO mounting designations, not diameters in mm. Confirm the selected actuator interface. F socket depth is not stated for the 3/8-inch source row.
| Engineering data | Configuration requirements |
|---|---|
| Dimension data | Reference table and drawing: DN10, DN15, DN20, DN25, DN32, DN40, DN50. CG3D-20 socket-weld reference dimensions. |
| 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.
Supplied CG3D 3-piece reference, CF8M body and PCTFE seat, socket-weld ends. This is a reference variant of the current CF8 PN40 catalogue product. Confirm the quoted body, extension and connections before installation.
Valves for liquefied-gas transfer and storage, with options for stem extensions, end connections and pressure relief.
Explore application guidanceConfirm the required shut-off function, flow path and seat material. Include operating torque, cycling frequency and any actuation requirements.
Specify the medium, minimum temperature and operating pressure. Include stem-extension needs, insulation clearance and any oxygen-cleaning requirements in your enquiry.
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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