API Machine Shop
Databook
Adapter spools, spacer spools, & drilling spools, sizes from 4" to 21", work pressures from 1000 psi to 20,000 psi:
The BOP spools and adaptor will usually consist of 2 API flanges or hubs and one tube welded together, with outlets as per customers requirements.
They are usually manufactured of AISI 4130, H2S, 75K material,
Documentation Data Book will be provided on material, stress relieved, UT of welds, MPI, hardness test, and Hydro test.
Option: stainless steel or Inconel ring grooves.
Delivery time will vary from 2 days (stock material) to 8 weeks.