GB/T 15560 — 流体输送用塑料管材液压瞬时爆破和耐压试验方法 (EXPIRED) EXPIRED31年 GB/T 15560-1995 Plastic pipe hydraulic burst and sustained pressure test. 31 years old — likely superseded. Equivalent: ASTM D1599, GB/T 5351. Verify at std.samr.gov.cn. Archived. Archived standard — version reference only. Current edition: 待核实替代标准. Same Category D2412 D648 ### GB 1033.1 1462 13657 5169.16 5349 228.1 7690.3 GB 9274 1771 1452 5169.12 4618.2 Testing: info@leisa.com