Ventaire offers a full line of flexible tubing for every application.  Below are flexible tubing commonly used for vehicle exhaust.  Flexible tubing recommended for welding 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

Medium Temperature:

NG-  Neoprene impregnated polyester fabric construction  w/ external galvanized helix. Available in 3-24" diameters. Rated from -65 to 250 F.  UL 90V-0 flame retardant.
HTC- 2-ply triple overlap acrylic coated polyester construction with an internal steel helix and wear strip. Available in 3-24" diameters. Rated from -65 to 325 F.  UL 90V-0 flame retardant.

STW- Thermoplastic rubber construction with a fully enclosed steel helix and wear strip. Available in 3-24" diameters. Rated from -65 to 275 F continuous usage, 300F intermittent.  UL 90V-0 flame retardant.

VMX-  Medium Temperature Flexible Tubing w/ Internal Helix, 350F

 High Temperature:

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

N1- "No-Crush" flexible tubing w/ special high performance black rubber (EPDM polymer) construction with precision spiral pattern.  This durable tubing construction is capable of regaining its original shape after being crushed.  It is available in 10' or 11' standard lengths depending on cuffs if desired.  Available in 3-6" diameters. Rated from -65 to 500F continuous usage, 600F intermittent.

HSG - High temperature flexible tubing w/ silicone impregnated fiberglass fabric construction w/ external galvanized helix. Available in 2-24" diameters. Rated from -65 to 625 F.

HSGS- Same as HSG except external steel helix is stainless steel.

TG- High temperature/chemical resistant flexible tubing w/ teflon impregnated fiberglass fabric construction (.017" thickness) w/ external galvanized helix. Available in 3-24" diameters. Rated from -65 to 525 F.
HT- 2-ply reinforced silicone coated fiberglass construction with a fully enclosed steel helix and fiberglass cord. Available in 3-24" diameters. Rated from -65 to 600F continuous usage.  UL 90V-0 flame retardant.
HTN- 2-ply reinforced silicone coated nomex construction with a fully enclosed steel helix and nomex wearstrip. Available in 3-24" diameters. Rated from -65 to 500F continuous usage, 600F intermittent.
 Extreme Temperature:

EXH- Extreme Temperature Silicone Over Fiberglass w/ External Helix, 1000F

HT1200- High temperature tubing w/ asbestos-free special fabric with very fine V4A wire woven-in reinforcement construction w/ external steel helix. Available in 3-24" diameters. Rated from -65 to 1200 F continuous usage, 1380 intermittent.

U15- Extreme temperature tubing w/ 2-ply asbestos-free special fabric with very fine V4A wire woven-in reinforcement construction w/ external stainless steel helix. Available in 4-24" diameters. Rated from -200 to 1500 F.
U20- Extreme temperature tubing w/ 2-ply asbestos-free special fabric & ceramic cloth construction w/ external stainless steel helix. Available in 4-24" diameters. Rated from -200 to 1800 F continuous usage, 2000 F intermittent

HT2010- Extreme temperature tubing w/ 3-ply specially coated asbestos-free fabric  w/ external heat resistant chromius helix. Available in 4-24" diameters. Rated from -75 to 2010 F continuous usage, 2370 F intermittent