President Vladimir V. Putin of Russia suggested late Tuesday that natural gas would resume flowing to Europe after the Nord Stream 1 pipeline’s maintenance shutdown, but warned that supplies may be severely curtailed.Speaking to reporters in Tehran after meeting with the leaders of Iran and Turkey, Mr. Putin said that shipments via Nord Stream 1 had been hampered by repairs necessary for turbines made by the German company Siemens. Even before the pipeline was shut down on July 11 for annual maintenance, flows from Gazprom, Russia’s energy giant, had been reduced to only 40 percent capacity.European leaders have been bracing for Russia to keep the pipeline, the main artery between Russia and Germany, offline after the maintenance work ends on Thursday, in retaliation for opposing Moscow’s invasion of Ukraine. But some analysts have …
