The Truck Trailer Manufacturers Association’s Engineering Committee announces the following new publication:
TB 135 - Valve Seat Tightness Check for Pre-Load Verification of Chemical Cargo Tanks for Shippers or Carriers
The following publications have been updated:
RP 21 - Tank Vehicles in Hot Products Service
RP 33 - Clean-Out Nipples on Tank Trailers
RP 67 - Rating of Platform Trailer Floors for Lift
RP 78 - Design of Circumferential Reinforcing Members on Carbon Steel Cargo Tanks Where Internal Thickness Testing is Precluded by Lining or Product Heel
RP 98 - Cargo Tank to Truck Chassis Attachment
TB 74 - End Dump Trailer Operations
TB 108 - Spread/Steering Axle Specialty Trailers
TTMA publications are available at no cost to members in the Member Core and are available for purchase to non-members in the TTMA online store: https://www.trucktrailer.org/store/.
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