649-1
649-1
Fittings for Polybutylene Tube

  • Although Polybutylene (PB) tube is no longer installed in the United States, demand for barbed insert fittings for PB systems continues to be high, especially in Canada. For your convenience, we will continue to offer the most popular PB fittings as long as demand remains significant. (See stock PB fittings below.)
  • Sioux Chief will no longer accept returns on PB barbed fittings.
  • All sales are final.
  • All Sioux Chief PB fittings conform to CSA B137.8 and ASTM F-1380 Standard for Metal Insert Barb Fittings for Polybutylene, and are designed for use with Polybutylene SDR 11 Tube conforming to ASTM D-3309.
CPVC Comp

FBC™ System Compatible indicated that this product has been tested, and is monitored on an ongoing basis, to assure its chemical compatibility with FlowGuard Gold®, BlazeMaster® and Corzan® pipe and fittings.  FBC™, FlowGuard Gold®, BlazeMaster® and Corzan® are licensed trademarks of The Lubrizol Corporation.

649-1
649-1
645-C2G
645-C2G
643-3
643-3
646-3
646-3
645X2G
645X2G
641-222X
641-222X