

Swagelok SS-1KM4-S4 stainless steel integral bonnet needle valve features 1/4 in. MNPT x 1/4 in. Swagelok tube fitting, straight pattern, soft seat PCTFE stem, and 0.37 maximum Cv.

Swagelok SS-1KM4-S4 integral-bonnet needle valves are compact needle valves available in a full range of sizes, configurations, and materials for a variety of applications. This specific model features a straight pattern and a soft seat PCTFE stem.

| Specification | Value |
|---|---|
| Body Material | 316 Stainless Steel |
| Cleaning Process | Standard Cleaning and Packaging (SC-10) |
| Connection 1 Size | 1/4 in. |
| Connection 1 Type | Male NPT |
| Connection 2 Size | 1/4 in. |
| Connection 2 Type | Swagelok® Tube Fitting |
| CV Maximum | 0.37 |
| Flow Pattern | Straight (2-way) |
| Handle Style | Phenolic Knob |
| Low Emissions Certified | Yes |
| Maximum Temperature, °F (℃) | 200 (93) |
| Max Temperature Pressure Rating | 200°F @ 4295 PSIG / 93°C @ 296 BAR |
| Minimum Temperature, °F (°C) | -65 (-53) |
| Orifice | 0.172 in |
| Room Temperature Pressure Rating | 5000 PSIG @ 100°F / 344 BAR @ 37℃ |
| Stem Tip Material | PCTFE |
| Stem Type | Soft-Seat PCTFE |
| eclass (4.1) | 37010201 |
| eclass (5.1.4) | 37010201 |
| eClass (6.0) | 37010203 |
| eClass (6.1) | 37010203 |
| eClass (10.1) | 37010203 |
| UNSPSC (4.03) | 40141602 |
| UNSPSC (10.0) | 40141602 |
| UNSPSC (11.0501) | 40141602 |
| UNSPSC (13.0601) | 40141602 |
| UNSPSC (15.1) | 40141602 |
| UNSPSC (17.1001) | 40183102 |
WARNING
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.
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