

Swagelok SS-12NBS12 severe service union bonnet needle valve. Features 316 stainless steel construction, 3/4 in. Swagelok tube fittings, ball stem, and straight pattern. Rated for 5800 PSIG.

Swagelok SS-12NBS12 is a stainless steel severe service union bonnet needle valve designed for demanding applications. It features a straight pattern (2-way) flow path and a ball stem with a cobalt-based alloy tip. The valve is constructed from 316 stainless steel and is equipped with 3/4 in. Swagelok® tube fittings on both ends.

Needle valves with union-bonnet construction are available in a variety of materials, with working pressures up to 10000 psig (689 bar) and temperatures up to 1200°F (648°C).
| Specification | Value |
|---|---|
| Body Material | 316 Stainless Steel |
| Cleaning Process | Standard Cleaning and Packaging (SC-10) |
| Connection 1 Size | 3/4 in. |
| Connection 1 Type | Swagelok® Tube Fitting |
| Connection 2 Size | 3/4 in. |
| Connection 2 Type | Swagelok® Tube Fitting |
| CV Maximum | 2.2 |
| Flow Pattern | Straight (2-way) |
| Handle Style | Aluminum Bar |
| Maximum Temperature, °F (°C) | 450 (232) |
| Max Temperature Pressure Rating | 450°F @ 4130 PSIG / 232°C @ 284 BAR |
| Minimum Temperature, °F (°C) | -65 (-53) |
| Orifice | 0.437 in |
| Room Temperature Pressure Rating | 5800 PSIG @ 100°F / 399 BAR @ 37°C |
| Stem Tip Material | Cobalt Based Alloy |
| Stem Type | Ball stem |
| 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) | 40183103 |
WARNING
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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