Mathey PPM Inflatable Stopper with Schrader Valve 4" - IPS4 Parts Kit If you need to weld

If you need to weld material thicker than 5/16\"

1 Drag Spacer

The kit includes a 3/16 in

The Square Wave TIG 200's dual-voltage AC/DC capability makes it a go-to machine for hobbyists

Lincoln Excalibur 308L is an AWS A5

Mathey PPM Inflatable Stopper with Schrader Valve 4" - IPS4 Parts Kit If you need to weldMathey PPM Inflatable Stopper with Schrader Valve 4" IPS4 The Mathey PPM Stopper IPS4 is a high quality inflatable pipe plugging solution designed for efficient and reliable sealing in various industrial applications. This 4 inch 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 PPM Stopper