TSI Flow Products manufactures Adapter Bonnets for multiple applications including BO-2, B2P, B1, TC-CL, TC-EN and TC-CC in both 7-1/16" and 11" Flange Sizes in Working pressures up to 10,000 PSI. Contact your local TSI sales rep today for more information.
BO-2 Adapter Bonnets
The BO-2 adapter is a coupling adapter. Works with BO-2 coupling as an entire assembly to suspend the tubing.

Bottom Flange Size | Working Pressure | Top Flange Size | Working Pressure | Tubing Size | Approx. Weight |
---|---|---|---|---|---|
in | psi | in | psi | in | lb |
7-1/16" | 3,000 | 2-1/16" | 5,000 | 2-3/8" | 200 |
7-1/16" | 3,000 | 2-9/16" | 5,000 | 2-7/8" | 225 |
7-1/16" | 5,000 | 2-1/16" | 5,000 | 2-3/8" | 275 |
7-1/16" | 5,000 | 2-9/16" | 5,000 | 2-7/8" | 300 |
7-1/16" | 5,000 | 3-1/8" | 5,000 | 3-1/2" | 300 |
7-1/16" | 5,000 | 2-1/16" | 10,000 | 2-3/8" | 600 |
7-1/16" | 10,000 | 2-1/16" | 10,000 | 2-3/8" | 600 |
7-1/16" | 10,000 | 2-9/16" | 10,000 | 2-7/8" | 600 |
7-1/16" | 10,000 | 3-1/16" | 10,000 | 3-1/2" | 600 |
7-1/16" | 5,000 | 3-1/8" | 5,000 | 3-1/2" | 920 |
7-1/16" | 5,000 | 2-9/16" | 5,000 | 2-7/8" | 463 |
7-1/16" | 5,000 | 4-1/16" | 5,000 | 4-1/2" | 1300 |
7-1/16" | 10,000 | 3-1/16" | 10,000 | 3-1/2" | 1300 |
7-1/16" | 10,000 | 4-1/16" | 10,000 | 4-1/2" | 1350 |
B2P Adapter Bonnets
The B2P adapter fits with the TC-1A tubing hanger family, whereas the B1 can be used with or without a coupling.

Bottom Flange Size | Working Pressure | Top Flange Size | Working Pressure | Tubing Size | Approx. Weight |
---|---|---|---|---|---|
in | psi | in | psi | in | lb |
7-1/16" | 3,000 | 2-1/16" | 5,000 | 2-3/8" | 132 |
7-1/16" | 3,000 | 2-9/16" | 5,000 | 2-7/8" | 143 |
7-1/16" | 5,000 | 2-1/16" | 5,000 | 2-3/8" | 187 |
7-1/16" | 5,000 | 2-9/16" | 5,000 | 2-7/8" | 198 |
B1 Adapter Bonnets
The B1 adapter bonnet is a single flange design available in 7-1/16" bottom flange size with thread sizes from 2-3/8" through 3-1/2". The B1 can be used with or without a coupling.

Bottom Flange Size | Working Pressure | Thread Size | Approx. Weight |
---|---|---|---|
in | psi | in | lb |
7-1/16" | 2,000 | 2-3/8" | 117 |
7-1/16" | 2,000 | 2-7/8" | 110 |
7-1/16" | 2,000 | 3-1/2" | 112 |
7-1/16" | 3,000 | 2-3/8" | 132 |
7-1/16" | 3,000 | 2-7/8" | 132 |
7-1/16" | 3,000 | 3-1/2" | 134 |
7-1/16" | 5,000 | 2-3/8" | 187 |
7-1/16" | 5,000 | 2-7/8" | 187 |
7-1/16" | 10,000 | 2-3/8" | 309 |
7-1/16" | 10,000 | 2-7/8" | 309 |
TC-CL / TC-EN / TC-CC Adapter Bonnets
The TC-CL / TC-EN / TC-CC adapter bonnets from TSI Flow Products offer both 7-1/16" and 11" bottom flange sizes, with top flange sizes from 2 1/16" to 3-1/2" and working pressures from 3,000 PSI to 10,000 PSI.



Bottom Flange Size | Working Pressure | Top Flange Size | Working Pressure | Tubing Size | Approx. Weight |
---|---|---|---|---|---|
in | psi | in | psi | in | lb |
7-1/16" | 3,000 | 2-1/16" | 3,000 | 2-3/8" | 275 |
7-1/16" | 3,000 | 2-9/16" | 3,000 | 2-7/8" | 275 |
7-1/16" | 3,000 | 3-1/8" | 3,000 | 3-1/2" | 275 |
7-1/16" | 3,000 | 3-1/8" | 5,000 | 3-1/2" | 275 |
7-1/16" | 5,000 | 2-1/16" | 5,000 | 2-3/8" | 300 |
7-1/16" | 5,000 | 2-9/16" | 5,000 | 2-7/8" | 300 |
7-1/16" | 5,000 | 3-1/8" | 5,000 | 3-1/2" | 300 |
7-1/16" | 10,000 | 2-1/16" | 10,000 | 2-3/8" | 450 |
7-1/16" | 10,000 | 2-9/16" | 10,000 | 2-7/8" | 450 |
7-1/16" | 10,000 | 3-1/16" | 10,000 | 3-1/2" | 625 |
11" | 3,000 | 2-1/16" | 5,000 | 2-1/8" | 575 |
11" | 3,000 | 2-9/16" | 5,000 | 2-7/8" | 575 |
11" | 3,000 | 3-1/8" | 5,000 | 3-1/2" | 575 |
11" | 5,000 | 2-1/16" | 5,000 | 2-3/8" | 675 |
11" | 5,000 | 2-9/16" | 5,000 | 2-7/8" | 675 |
11" | 5,000 | 2-9/16" | 5,000 | 3-1/2" | 675 |
11" | 10,000 | 3-1/8" | 10,000 | 2-3/8" | 975 |
11" | 10,000 | 2-1/16" | 10,000 | 2-7/8" | 950 |
11" | 10,000 | 3-1/16" | 10,000 | 3-1/2" | 1,000 |