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XI 'AN ZZ TOP OIL TOOLS CO.,LTD Insist Traceability, serialization
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API RTJ Flange Adapter Type R / Type RX Flange For Wellhead Equipment
The oilfield wellhead adapter flanges are the connection part of the wellhead equipment. The wellhead adapter flanges are made of AISI 4130 forging in accordance with API 6A specification. There are different types of flange adapter available to meet various requirements onsite in the oilfield, including blind flange, double studded adapter flange, welded neck flange adapter, companion flange.
The adapter flange will be used for high-pressure drilling, in conjunction with flat valve for preventing blowout and connecting BOP.The wellhead adapter flange and with different combination and dimensions according to the different users' need, meeting the scene operation to a great extent.
Specification of RTJ Flange Adapter
| API pressure Rating | Flange | Ring Groove | Bolt Studs | ||||||
| Nominal Size inch | O.D (A) Inch | Height T Inch | P inch | E inch | Ring No. | D inch | No. | Size inch | |
| 2000psi R or RX Gasket | 2 1/16” | 6 1/2 | 1 5/16 | 3 1/4 | 15/32 | 23 | 5 | 8 | 5/8*4 1/2 |
| 2 9/16” | 7 1/2 | 1 7/16 | 4 | 15/32 | 26 | 5 7/8 | 8 | 3/4*5 | |
| 3 1/8” | 8 1/4 | 1 9/16 | 4 7/8 | 15/32 | 31 | 6 5/8 | 8 | 3 /4*5 1/4 | |
| 4 1/16” | 10 3/4 | 1 13/16 | 5 7/8 | 15/32 | 37 | 8 1/2 | 8 | 7/8* 6 | |
| 5 1/8” | 13 | 2 1/16 | 7 1/8 | 15/32 | 41 | 10 1/2 | 8 | 1 * 6 3/4 | |
| 7 1/16” | 14 | 2 3/16 | 8 5/16 | 15/32 | 45 | 11 1/2 | 12 | 1* 7 | |
| 9” | 16 1/2 | 2 1/2 | 10 5/8 | 15/32 | 49 | 13 3/4 | 12 | 1 1/8*8 | |
| 11” | 20 | 2 13/16 | 12 3/4 | 15/32 | 53 | 17 | 16 | 1 1/4* 8 3/4 | |
| 13 5/8” | 22 | 2 15/16 | 15 | 15/32 | 57 | 19 1/4 | 20 | 1 1/4* 9 | |
| 16 3/4” | 27 | 3 5/16 | 18 1/2 | 15/32 | 65 | 23 3/4 | 20 | 1 1/2 * 101/4 | |
| 21 1/4” | 32 | 3 7/8 | 23 | 17/32 | 73 | 28 1/2 | 24 | 1 5/8*11 3/4 | |
| 3000psi R or RX Gasket | 2 1/16” | 8 1/2 | 1 13/16 | 3 3/4 | 15/32 | 24 | 6 1/2 | 8 | 7/8*6 |
| 2 9/16” | 9 5/8 | 1 15/16 | 4 1/4 | 15/32 | 27 | 7 1/2 | 8 | 1*6 1/2 | |
| 3 1/8” | 9 1/2 | 1 13/16 | 4 7/8 | 15/32 | 31 | 7 1/2 | 8 | 7/8*6 | |
| 4 1/16” | 11 1/2 | 2 1/16 | 5 7/8 | 15/32 | 37 | 9 1/4 | 8 | 1 1/8* 7 | |
| 5 1/8” | 13 3/4 | 2 5/16 | 7 1/8 | 15/32 | 41 | 11 | 8 | 1 1/4*7 3/4 | |
| 7 1/16” | 15 | 2 1/2 | 8 5/16 | 15/32 | 45 | 12 1/2 | 12 | 1 1/8*8 | |
| 9” | 18 1/2 | 2 13/16 | 10 5/8 | 15/32 | 49 | 15 1/2 | 12 | 1 3/8*9 | |
| 11” | 21 1/2 | 3 1/16 | 12 3/4 | 15/32 | 53 | 18 1/2 | 16 | 1 3/8*9 1/2 | |
| 13 5/8” | 24 | 3 7/16 | 15 | 15/32 | 57 | 21 | 20 | 1 3/8*10 1/4 | |
| 16 3/4” | 27 3/4 | 3 15/16 | 18 1/2 | 21/32 | 66 | 24 1/4 | 20 | 1 5/8*11 3/4 | |
| 20 3/4” | 33 3/4 | 4 3/4 | 23 | 25/32 | 74 | 29 1/2 | 20 | 2 * 14/12 | |
| 5000psi R or RX Gasket | 2 1/16” | 8 1/2 | 1 13/16 | 3 3/4 | 15/32 | 24 | 6 1/2 | 8 | 7/8*6 |
| 2 9/16” | 9 5/8 | 1 15/16 | 4 1/4 | 15/32 | 27 | 7 1/2 | 8 | 1*6 1/2 | |
| 3 1/8” | 10 1/2 | 2 3/16 | 5 3/8 | 15/32 | 35 | 8 | 8 | 1 1/8*7 1/4 | |
| 4 1/16” | 12 1/4 | 2 7/16 | 6 3/8 | 15/32 | 39 | 9 1/2 | 8 | 1 1/4*8 | |
| 5 1/8” | 14 3/4 | 3 3/16 | 7 5/8 | 15/32 | 44 | 11 1/2 | 8 | 1 1/2*10 | |
| 7 1/16” | 15 1/2 | 3 5/8 | 8 5/16 | 17/32 | 46 | 12 1/2 | 12 | 1 3/8*10 3/4 | |
| 9” | 19 | 4 1/16 | 10 5/8 | 21/32 | 50 | 15 1/2 | 12 | 1 5/8*12 | |
| 11” | 23 | 4 11/16 | 12 3/4 | 21/32 | 54 | 19 | 12 | 1 7/8* 13 3/4 | |
