Ventaire offers a full line of flexible tubing for every application.  Below are flexible tubing commonly used for welding exhaust.  Flexible tubing recommended for vehicle exhaust or material handling can be found here.  Some reference materials that maybe help are also found directly below:

 Flexible Tubing Guide :  Flexible Tubing Descriptions :  Flexible Tubing Resistance Chart

 Welding Exhaust Flexible Tubing:

WP- A 2-ply weld-proof flexible tubing constructed of a neoprene coated polyester with an internal steel helix. Available in 3-24" diameters. Rated from -40F to 300F. UL94V-O flame retardant. 

WPN- Same as WP except for internal non-conductive nylon helix construction.

WPW- Same as WP except for there is an external scuff strip to provide excellent abrasion resistance.

PG- Weld-proof flexible tubing w/ PVC impregnated polyester fabric construction (.017" thickness) w/ external galvanized helix. Available in 4-24" diameters. Rated from -20 to 250 F.

NG- Weld-proof flexible tubing w/ neoprene impregnated polyester fabric construction (.017" thickness) w/ external galvanized helix. Available in 3-24" diameters. Rated from -65 to 250 F. (UL 90V-0)

G12-G18/S12-S18 (Metal Flexible Tubing) 

  We offer both galvanized and 304 stainless steel flexible tubing in three different thickness.  We are also able to supply 316 stainless steel and aluminum construction.

Category Submittal A : Category Submittal B