Dizayn va ishlab chiqarish: JB/T8691, MSS SP-81
Yuzma -yuz: GB/T15188.2, TAPPI TIS 405.8
Flanes uchlari o'lchami: ANSI B 16.5, GB/T79-94
Tekshirish va test: MSS SP-81, GB/T 13927