Valves are indispensable key equipment in the natural gas industry, mainly performing the following core functions:

Gas Pipeline Systems

◆ Fully welded ball valves are used in main pipelines to ensure high-pressure sealing

◆ Large-diameter gate valves (DN1200+) are installed at stations to control gas flow

◆ Emergency shut-off valves with response times <3 seconds are equipped at critical nodes

LNG Industry Chain

◆ Cryogenic valves (-196°C) are used in liquefaction and storage

◆ Special insulated valves are applied in vaporization units

◆ Dedicated control valves are matched with BOG compressors

Urban Gas Networks

◆ PE ball valves are used in medium/low pressure pipelines

◆ Intelligent pressure regulating valves enable precise pressure control

◆ Inlet valves with leakage detection function

Special Applications

◆ Sulfur-resistant valves for sour gas fields

◆ Explosion-proof electric actuators

◆ Smart valves with remote monitoring systems

These valves must comply with international standards such as API 6D and ISO 15848 to ensure absolute reliability in flammable and explosive environments. With the development of new energy, valve technology continues to upgrade to meet stricter environmental and safety requirements.