Flow & differential pressure
Provide design flow, available differential pressure and the required balancing or control function. For electric control, include voltage, signal, fail position and feedback requirements.
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| Model Reference | 6351-Y |
|---|---|
| Available Sizes | DN15-50 |
| Requested Size | DN15 · DN20 · DN25 · DN32 · DN40 · DN50 |
| Pressure Rating | PN25 |
| Body Material | Stainless Steel SS304 |
| Connection Type | Threaded (ISO 7-1 / BSPT) |
| Working Temperature | -10°C to 150°C |
| Suitable Medium | Water; ethylene glycol solution up to 50% concentration |
| Selection Basis | Catalogue range; exact size, pressure, materials and coolant compatibility confirmed for the project |
| Control Function | Two-way electric control |
Catalogue options. Operating limits depend on the selected size, materials and configuration.
Threaded electric two-way control for small-bore cooling branches. Select the valve and compatible actuator from the actual flow and differential pressure.
Applications: Data Centers & AI Cooling
For technical documentation or assistance with your selection, contact Nordic Valves.
Threaded electric two-way control for small-bore cooling branches. Select the valve and compatible actuator from the actual flow and differential pressure.
| Drawing no. | Part | Material | Specification |
|---|---|---|---|
| 1 | Body | Stainless Steel | SS304 |
| 2 | Core | Stainless Steel | SS304 |
| 3 | Stem | Stainless Steel | SS304 |
| 4 | Sealing | Special sealing combination (confirm specification) | -- |
Material options are shown where listed. Confirm the complete wetted construction for the selected coolant and configuration.
| DN | INCH | L / mm | H / mm | H1, mm / Two-way |
|---|---|---|---|---|
| 15 | ½" | 92 | 75 | 53 |
| 20 | ¾" | 92 | 75 | 53 |
| 25 | 1" | 105 | 76 | 61 |
| 32 | 1¼" | 116 | 76 | 61 |
| 40 | 1½" | 130 | 87 | 65 |
| 50 | 2" | 152 | 95 | 73 |
Dimensions use the letter references in the datasheet drawing. Pressure-class columns refer to the specified flange drilling.

Isolation, balancing, control valves, strainers and flexible connections for facility-water and CDU cooling circuits.
Explore application guidanceProvide design flow, available differential pressure and the required balancing or control function. For electric control, include voltage, signal, fail position and feedback requirements.
State facility-water or CDU / technology-cooling duty, coolant formulation, flow, temperature and pressure. Confirm wetted materials and the exact valve configuration for the project.
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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