Oil exploitation
Oilfield special valves are mainly divided in o sulfur resistant mud valve, soft seal mud valve, high-pressure wellhead gate valve, hard seal mud valve, anti-theft clamp valve, shell valve, downhole w
Oilfield special valves are mainly divided in o sulfur resistant mud valve, soft seal mud valve, high-pressure wellhead gate valve, hard seal mud valve, anti-theft clamp valve, shell valve, downhole well packer, differential pressure oil seal gate valve, throttling stop vent valve, grinding wheel regulating valve and other categories.