Sioux Chief 649X Series Annealed Copper PEX Crimp Rings

Sioux Chief 649X Series Annealed Copper PEX Crimp Rings

The Sioux Chief 649X Series is a family of annealed copper PEX crimp rings covering the 649X3 and 649X4 models, available in 3/4" and 1" sizes to match PEX SDR9 tube. Each ring is made from pure, annealed copper and is engineered to form secure, code-compliant crimp connections between PEX SDR9 tube and PEX fittings. The series is ink printed for quick, accurate size identification on the jobsite and is sold in bulk cartons of 500 EA per size, making it a practical stock item for high-volume residential and commercial plumbing and mechanical contractor use.

Key Features

• Size Range: The 649X Series spans the 649X3 and 649X4 crimp ring models, available in 3/4" and 1" sizes to match PEX SDR9 tube.
• Durable Construction: Made from pure, annealed copper for consistent, reliable crimp performance and long-term joint integrity on PEX connections.
• Crimp Connection: Engineered specifically for use with PEX SDR9 tube only, ensuring a proper fit and a secure, leak-resistant crimped seal.
• Not for PB Tube: Not intended for use with PB (polybutylene) tubing and should not be substituted onto PB systems.
• Ink-Printed Identification: Each ring is ink printed so installers can quickly confirm the correct size during rough-in and finish work, reducing mis-sized crimps.
• Bulk Packaging: Sold in cartons of 500 EA per size, suited to high-volume residential and commercial plumbing and mechanical contractor use.
• Consistent Crimp Results: Uniform copper ring construction supports repeatable crimps when used with a properly calibrated PEX crimp tool.

Technical Specifications

• Models: 649X3 and 649X4.
• Size Range: 3/4" and 1" for PEX SDR9 tube.
• Material: Pure, annealed copper.
• Packaging: 500 EA bulk carton per size.
• Country of Origin: United States.

Typical Applications

• Residential and Commercial PEX Plumbing Installations
• PEX-to-Fitting Crimp Connections
• New Construction Potable Water Distribution Systems
• Plumbing Renovation and Repipe Projects
• Professional Plumbing and Mechanical Contractor Use
• Radiant Heating and Hydronic PEX Tube Runs

Why Sioux Chief?

Sioux Chief manufactures the 649X Series crimp rings from pure, annealed copper to deliver dependable, code-compliant PEX crimp connections for professional installers. With ink-printed sizing across the 649X3 and 649X4 models covering 3/4" and 1" PEX SDR9 tube, and a clear PEX SDR9-only use requirement, this series helps contractors select and install the correct ring with confidence on every job. Consistent copper construction and bulk 500 EA carton packaging, made in the United States, make the 649X Series a practical choice for plumbing wholesalers and contractors who need dependable PEX crimp rings on hand for daily installation work.