Mathey PPM Inflatable Stopper with Schrader Valve 15" - IPS15 Stay Silv 6 It has a 1/4" NPT

It has a 1/4" NPT (M) inlet connection and "B" size 9/16"-18 (RH) outlet connection with external threads

which require flux and post-braze flux cleaning

Compatible with Prince XL series welding guns

High-quality dense wire for long life

5 Recommended Items/Accessories Brass Bushing – ¼” NPT (F) x ½” NPT (M) – PN 9005806

Mathey PPM Inflatable Stopper with Schrader Valve 15" - IPS15 Stay Silv 6 It has a 1/4" NPTMathey PPM Inflatable Stopper with Schrader Valve 15" IPS15 The Mathey PPM Inflatable Stopper IPS15 is a high quality inflatable pipe plugging solution designed for efficient and reliable sealing in various industrial applications. This 15" model features a built in Schrader valve, allowing for easy inflation, pressure testing, and monitoring during pipeline maintenance and repair operations. Engineered for precision and durability, this inflatable