помогите с переводом hanger pack off up gen.

[Verinka]

в предложении:

Elastomers are the primary seals on the 20 in Sliplock connection only. All seals from the 13 3/8in hanger pack off up are metal to metal with elastomers only employed to facilitate testing of the primary metallic seal.

[Toropat]

All seals from the 13 3/8in ... up
до 16 и старше от 13 3/8 дюйма и выше