SH5/16-N1 | 316 Stainless Steel Male Swivel Elbow
The Pneuforce SH5/16-N1 is a 316 stainless steel male swivel elbow for 5/16" (nominal 8 mm) tubing and a 1/8 NPT connection. Its push-to-connect interface and FKM (Viton®) seal support maintainable pneumatic and vacuum lines where corrosion resistance and equipment washdown are important.
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | SH5/16-N1 |
| Fitting Type | Male Swivel Elbow |
| Tube Outside Diameter | 5/16" (nominal 8 mm) |
| Connection | Tube-to-thread connection |
| Thread Size & Form | 1/8 NPT |
| Body Material | 316 stainless steel |
| Seal Material | FKM (Viton®) |
| Primary Service | Compressed air, vacuum and non-potable water (subject to full system suitability) |
| Published S-Series Pressure | Up to 420 psi family rating; verify each assembly |
| Published Fitting Temperature | -4°F to 392°F (-20°C to 200°C); tubing and media can reduce allowable range |
How This Male Swivel Elbow Works
This male swivel elbow combines a male-threaded connection with a push-to-connect tube outlet at 90 degrees. Its elbow geometry reduces the tube bend needed beside a valve, cylinder or manifold.
The swivel configuration is useful for aligning the tube during assembly. Do not assume it is a rotary union intended for continuous movement under pressure.
Typical Industrial Applications
- 90-degree tubing connections at solenoid valve ports
- Compact cylinder installations beside frames or guards
- Vacuum fixture port routing on production machines
316 Stainless Steel and FKM Seals
The 316 stainless steel body, release components and gripping collet provide corrosion-resistant construction for washdown and demanding machinery. FKM (Viton®) seals support many air, vacuum and industrial-fluid applications, but compatibility must be assessed for the specific media and temperature.
Pneuforce publishes a family working-pressure figure of up to 420 psi for S-prefix stainless fittings and a fitting temperature range of -20 to 200°C (-4 to 392°F). Those are family specifications, not proof of suitability for every tube, fluid or assembly. Check the tubing, connection method, seal/chemical compatibility and exact product documentation before operation.
Frequently Asked Questions
Why use a swivel elbow rather than a straight connector?
The SH5/16-N1 turns the 5/16" (nominal 8 mm) tube route 90 degrees from the 1/8 NPT threaded port, reducing the need for a tight tube bend near the port.
Can the swivel elbow rotate continuously during operation?
A swivel-style pneumatic elbow is ordinarily intended to simplify tube alignment during installation. Continuous rotation under pressure requires a separately specified rotary union; do not assume that function here.
Is this an NPT or BSPT thread?
This model is listed with a 1/8 NPT connection. NPT and BSPT are not interchangeable based on nominal size alone; verify the port thread before installation.
Is 5/16-inch tubing exactly the same as 8 mm?
No. 5/16 in is 7.9375 mm, not precisely 8 mm. Some catalogues use a nominal cross-reference, but tube fit must be confirmed from approved outside-diameter tolerances and manufacturer guidance.
Is this fitting suitable for vacuum?
Pneuforce lists this stainless push-to-connect family for compressed air and vacuum. The completed connection must use compatible tubing with a clean, undamaged outside surface, and the system must be checked for leakage at its operating vacuum.
Can I use this fitting for drinking water?
Do not assume potable-water approval. Pneuforce lists these push-in fittings for compressed air, vacuum and non-potable water; drinking-water or food-contact approvals would require separate documented certification.
What does FKM (Viton®) contribute?
FKM is the fluoroelastomer sealing material used in this fitting family. It is chosen for resistance to many oils, chemicals and elevated temperatures, but exact media compatibility depends on the fluid concentration, temperature and seal formulation.
What should I check when installing push-in tubing?
Match the tube outside diameter and approved tubing material to the fitting. Cut squarely, remove burrs, insert fully and check retention and leaks before putting the system into service. Confirm the connection can be disconnected safely after depressurizing.
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