High Pressure Flow Iron inspection and certification for the gas and oil industry. E&P companies require that all iron is tested on a yearly basis and we at Black River can help you manage that process. Before inducting the flow control equipment it is vital that the service companies get the iron tested by a certified company that is authorized to undertake inspection and re-certification. Along with facilities in Kilgore and Odessa, TX we have mobile units that we can dispatch to your location anywhere in the US.We also have 24"x10' 10,000 psi Cyclonic Sand Traps for rent.