Sure Seal's Frac-Trailer ProductsSure Seal, Inc., a division of OPW Fluid Transfer Group, now offers a full line of dry bulk trailer components that have been designed to deliver optimized performance on frac-sand trailers. Sure Seal’s frac trailer package includes field-proven products such as:

  • Hopper Tees — designed with a low profile configuration to provide greater ground clearance for tough applications, while also allowing for optimum unloading times and easy maintenance.
  • LM Series Manholes — designed to handle working pressures up to 30 psi.
  • Aeration Systems — allow more air to get through the hopper wall, resulting in 20- to 50-percent faster product-unloading times.
  • Butterfly Valves — machined from 17-4 stainless steel to eliminate twisting of the stem and give direct disc control of full or partial product flow.
  • Swing Check Valves — Spherical design and aluminum construction provide increased airflow for faster unloading times while improving reliability.
  • Pressure Relief Valves — 2-inch valves allow for increased standard features at a lower cost.
  • Quick-Release Couplers — oil-impregnated bronze bushings eliminate coupler freeze-up.