Inner diameter:HE1-40mm,HE2-48mm,HE3-55mm

 

The product is mainly used in sandblasting machine sand tube and trachea, and used in the various types of tunnel engineering, lane, the hole room, slope protection spray anchor, in the water and electricity, mining, army and the extensive application fields

 

Temperature range: : -40°C(-40°F) to ＋70°C(＋158°F)