Phone
13805130875
WeChat Channel
Function
Emergency shutdown of pipelines to prevent LNG leakage (e.g., automatic separation and sealing during unexpected tanker movement or hose rupture).
Key Features
Temperature: -196°C (liquid nitrogen grade)
Pressure: Class 150~600 (PN16~100)
Activation Method: Shear-pin type (adjustable tension), spring-energized type
Sealing: Bidirectional zero leakage (metal + PTFE seals)
Applications
LNG tanker loading/unloading
Ship bunkering
Storage tank pipeline connections
Selection Criteria
Breakaway force (2~10 kN), diameter (DN25~200), material (316L/nickel-based alloy)
Maintenance Requirements
Regular inspection of shear pins/springs
Annual seal test (helium leak detection)
Representative Brands
International: SVT (Germany), OPW (USA)
Domestic: Jiangsu Shentong, CNNC SUFA
Core Value: Rapid shutdown under unexpected external forces to ensure the safety of LNG transfer.
13805130875