What Is a Blind Ring Spacer? Uses & Applications

Blind Ring Spacer (Hockey Puck): Thermoplastic Flow Isolation for Lined Pipe Systems A Blind Ring Spacer, often called a “Hockey Puck,” is a solid thermoplastic flange spacer designed to completely block flow in a piping system. It has no central bore, aligning precisely within flange bolt holes to maintain system integrity while creating a positive […]