Plug pneumatic for 500-1200 mm ø, with By-pass

• Plug pneumatic with by-pass work in all types of pipe - sealing the roughest surfaces. • Made of natural rubber, these plugs are durable and corrosion resistant. • Plugs have a High-grade steel pipe for a by-pass. • The by-pass allows air to pass through the plug during an air test, and can also be used to by-pass liquids. • With addition tube to the ventilation.