This part of TB/T 2775 specifies the model, structural dimensions, technical requirements, lock body markings, test methods, inspection rules, packaging, transportation and storage of FSG04 type tank car locks (hereinafter referred to as "tank car locks") for railway transportation. . This standard applies to tank truck seals.
TB/T 2775.3-2005 history
2005TB/T 2775.3-2005 Sealed lock for railway traffic Part 3: Tank car lock