ASTM F2159

ASTM F2159 is the standard specification for plastic insert fittings used with a copper crimp ring or alternate stainless steel clamps for SDR9 crosslinked polyethylene (PEX) tubing and SDR9 polyethylene of raised temperature (PE-RT) tubing. It helps define a consistent basis for product design, evaluation, and compliance when these fittings are used in compatible tubing systems. For manufacturers, distributors, and specifiers, the standard supports clearer purchasing decisions and more reliable product verification.

Overview of ASTM F2159

This ASTM standard focuses on plastic insert fittings intended for use with SDR9 PEX and SDR9 PE-RT tubing, specifically in assemblies secured by a copper crimp ring or alternate stainless steel clamps. Its technical role is to establish a common specification framework for these fitting and connection types so products can be assessed against the same requirements. ASTM F2159 is therefore useful in documentation, product qualification, and quality control for tubing system components.

Common use cases of ASTM F2159

ASTM F2159 is commonly referenced when selecting or evaluating plastic insert fittings for tubing systems that rely on crimp-ring or clamp-style connections. It is especially relevant for products designed to join SDR9 PEX or SDR9 PE-RT tubing in applications where consistent connection performance matters. The standard may also be used during procurement, supplier review, and manufacturing checks to confirm that fittings align with the expected specification for the intended tubing type and connection method.

Benefits of using ASTM F2159

Using ASTM F2159 helps reduce ambiguity when specifying fittings for PEX and PE-RT tubing systems. It supports more consistent product comparison, easier compliance review, and better quality control across manufacturing and purchasing workflows. The standard can also help lower risk by providing a clear technical reference for evaluating whether a plastic insert fitting, crimp ring connection, or stainless steel clamp option is appropriate for the intended SDR9 tubing system.

• Plastic insert fittings for SDR9 tubing
• Copper crimp ring connection method
• Alternate stainless steel clamp option
• PEX and PE-RT tubing compatibility
• Specification and quality control reference