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.
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.
316L VAR High Purity Check Valve, 1/4 in. Tube Butt Weld, SC-11 Cleaned, Ethylene Propylene Seals
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Catalogs
Fixed Pressure
Control back flow in general-service and high-purity applications with Swagelok check valves available in a range of adjustable and fixed cracking pressures.
Features: All-welded design provides reliable containment of system fluid; Forward flow starts at less than 2 psig (0.14 bar) pressure differential; Valve closes with less than 2 psig (0.14 bar) back pressure; 316L SS body offers enhanced material purity
Features: Step-by-step identification procedure for threads and end connections.
This document specifies guidelines used by Swagelok Company for producing stainless steel products intended for photovoltaic (PV) applications.
The following precautions should be taken when welding a CW Series Check Valve with tube extensions or butt weld ends into a system.
Procedure for installing Swagelok tube fittings in sizes over 1 inch or 25 mm.
Specifications
| Attribute | Value |
|---|---|
| Body Material | 316L VAR |
| Cleaning Process | Special Cleaning and Packaging (SC-11) |
| Connection 1 Size | 1/4 in. |
| Connection 1 Type | Tube Butt Weld |
| Connection 2 Size | 1/4 in. |
| Connection 2 Type | Tube Butt Weld |
| Cracking Pressure | 2 psi (0.14 bar, 0.014 MPa) |
| Seal Material | Ethyene Propylene |
| Wetted Surface Roughness | 20 μin. (0.51 μm) average, machine finished |
| eClass (4.1) | 37010801 |
| eClass (5.1.4) | 27300400 |
| eClass (6.0) | 27292001 |
| eClass (6.1) | 27292001 |
| UNSPSC (4.03) | 40141609 |
| UNSPSC (10.0) | 40141609 |
| UNSPSC (11.0501) | 40141609 |
| UNSPSC (13.0601) | 40141609 |
| UNSPSC (15.1) | 40141609 |
| UNSPSC (17.1001) | 40183101 |
Resources
Drawings
Two-dimensional renderings are available for this product. Download the CAD file.
Three-dimensional renderings are available for this product. Download the CAD file.
Sales drawings are available for this product. Download the files.
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Contact
If you have questions about this product, please contact your local authorized sales and service center. They can also tell you about supporting services to help you get the most out of your investment.