Hot tap & line stop on gas pipeline for replacing the valve

Hot tap & line stop on gas pipeline for replacing the valve

Hot-tap-line-stop-on-gas-pipeline-for-replacing-the-valve-1
Hot-tap-line-stop-on-gas-pipeline-for-replacing-the-valve
Hot-tap-line-stop-on-gas-pipeline-for-replacing-the-valve-4
Hot-tap-line-stop-on-gas-pipeline-for-replacing-the-valve-3
Hot-tap-line-stop-on-gas-pipeline-for-replacing-the-valve-5
Loading image... Loading image... Loading image... Loading image... Loading image...