Swagelok SS-400-C-MD is a 316 stainless steel mud dauber cap designed for 1/4 in. tube outer diameter (OD) connections. This specialized cap protects open tube ends from debris, insects (such as mud daubers), and environmental contamination, making it ideal for safeguarding idle or outdoor instrumentation systems.

Technical Specifications

Specification	Details
Body Material	316 Stainless Steel
Connection 1 Size	1/4 in.
Connection 1 Type	Swagelok® Tube Fitting
Cleaning Process	Standard Cleaning and Packaging (SC-10)
Bored Through	No
Flow Restrictor	No

Product Identifiers

System	Code
eClass (10.1)	37020517
UNSPSC (17.1001)	40141727
UNSPSC (15.1)	40183104
eClass (6.0)	22560207

Application Note

Mud dauber caps are specifically engineered to prevent blockages in vent lines or open-ended tubing caused by environmental factors. They ensure that systems remain clear and ready for operation even after being left idle in outdoor environments.

System Safety

Do not mix or interchange Swagelok products or components not governed by industrial design standards, including Swagelok tube fitting end connections, with those of other manufacturers. The total system design must be considered to ensure safe, trouble-free performance.