1-1/2″ Standard PR Pneumatic Test Ball Plug

• Used for testing pipelines or to temporarily stop their flow
• Sizes range from 1-1/2″ to 4″
• Works in place of other “standard” pneumatic plugs
• Pressure relief automatically resets for each inflation
• Pressure relief has no moving parts to fail or malfunction
• One-piece rubber portion is molded with no seams or bonded parts
• Multiple sealing ribs are located in the center portion of the plug for positive sealing
• Pressure relief valve releases excess pressure into the atmosphere

•Ring tag is attached to nylon core for extra rigidity