PN25
Swagelok SS-BNS4-2O 316L stainless steel high purity bellows sealed valve uses a packless design and a welded seal to isolate system fluids and achieve reliable, leak-tight performance. This straight pattern (2-way) valve is ideal for applications where the seal to atmosphere is critical, offering options for general and high-purity service.
System Design and Compatibility
The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user.
Do not mix/interchange Swagelok products or components not governed by industrial design standards, including Swagelok tube fitting end connections, with those of other manufacturers.
Specifications
| Specification | Value |
|---|---|
| Actuator Model | 1/8-27 NPT Inlet Port (BN Series) |
| Actuator Operation Mode | Normally Open Spring Return |
| Actuator Type | Pneumatic |
| Bellows Material | 321 Stainless Steel |
| Body Material | 316L Stainless Steel |
| Body Seal | None |
| Cleaning Process | Special Cleaning and Packaging (SC-11) |
| Connection 1 Size | 1/4 in. |
| Connection 1 Type | Swagelok® Tube Fitting |
| Connection 2 Size | 1/4 in. |
| Connection 2 Type | Swagelok® Tube Fitting |
| CV Maximum | 0.3 |
| Flow Pattern | Straight (2-way) |
| Gasket | None |
| Maximum Temperature, °F (°C) | 200 (93) |
| Max Temperature Pressure Rating | 200°F @ 400 PSIG / 93°C @ 27.5 BAR |
| Minimum Temperature, °F (°C) | -40 (-40) |
| Room Temperature Pressure Rating | 400 PSIG @ 100°F / 27.5 BAR @ 37°C |
| Service Class | General |
| Stem Tip Material | PCTFE |
| Stem Type | Conical |
| Surface Finish | Ra 20 μin |
| Testing | Helium leak testing according to SCS-00020 |
| eClass (4.1) | 37010201 |
| eClass (5.1.4) | 37010201 |
| eClass (6.0) | 37010201 |
| eClass (6.1) | 37010201 |
| eClass (10.1) | 37010201 |
| UNSPSC (4.03) | 40141600 |
| UNSPSC (10.0) | 40141609 |
| UNSPSC (11.0501) | 40141609 |
| UNSPSC (13.0601) | 40141609 |
| UNSPSC (15.1) | 40141609 |
| UNSPSC (17.1001) | 40183101 |
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