English to Russian Tech/Engineering Metrology oil industry

втулкa с воротниковым фланцем ?

Supplier can be supplied in one of the following configurations:
Option 1. Flowmeter X supplied as a stand-alone unit (Figure 5, section 7.6.1) To mount this into a piping section the client will have to purchase a Grayloc weld neck hub. This weld neck hub will then have to be welded to the client piping arrangement. Roxar installation requirements found in Table 1 and Figure 4, 9 and 10 still apply and it has to be considered when the Flowmeter X is installed into the piping section (see 7.5).
Option 2. Flowmeter Y supplied with weld neck flange (Figure 6, section 7.6.2). Supplier has in this case provided the weld neck hub and the installations recommendations found in Table 1 still apply. This weld neck hub will then have to be welded to the client piping arrangement.