Covered Hoppers								
							
							Small-Cube Pressure Differential Covered Hoppers
																			Pressure Differential Covered Hoppers
																			Nonmetallic Minerals
																											
								
							
															Small cube pressure differentials are used to ship dense, dry commodities. The car is typically configured for cement and frac sand service. These cars are typically unlined and standard discharge piping is carbon steel. The cars are discharged by pumping air into the car to create interior pressure and “fluidize” the commodity.
Product Details
											Nominal Capacity / Gross Rail Load
											286,000 lbs
										
																			
											Hatches
											Non-vented covers
										
																			
											Gates
											Pressure Differential system with 5" Butterfly Valve 
Carbon Steel discharge piping
																			Carbon Steel discharge piping
											Standard Capacity (cuft)
											3,200cf
										
																			
											Interior
											Typically unlined
										
																			
											Commodities
											Cement, Barite, Sand