Industrial Purpose NRV Barrels have special gadgets installed on the top like non-return valves and pressure gauges to control and indicate the pressure within the barrels. These NRV Barrels are made from cold rolled close annealed sheets of 16 Gauge to 20 Gauge. These NRV Barrels are featured with dimensional accuracy and have high tensile strength. Industrial Purpose NRV Barrels can be provided with two or multiple rolling hoops in the body to suit specific requirement.