Xi'an ZZ Top Oil Tools Co.,Ltd is one of the top level oilfield wellhead flange manufacturers and suppliers, with professional factory, we are able to produce API and oilfield blind flange, adapter flange, welcome to contact us.
The oilfield wellhead flange e.g. Blind Flange and Adapter Flange is designed in accordance with API 6A and with different combination and dimensions according to the different users' need, meeting the scene operation to a great extent.
Characters:
1) Made from high-strength alloy and processed specially with heating treatment.
2) Fit for Hydrogen sulfide H2S resistant service, manufactured with reference to NACEMR-0175 technical specifications.
3) Top & bottom connections and outlets per customer design requirements by either flanged or clamp connections.
4) Used for high-pressure drilling, in conjunction with flat valve for preventing blowout and connecting BOP.
|
Rated working pressure/psi |
Flange size range |
|
|
Type 6B (in) |
Type 6BX (in) |
|
|
2000 |
2-1/16" ~ 21-1/4" |
26-3/4" ~ 30" |
|
3000 |
2-1/16" ~ 20-1/4" |
26-3/4" ~ 30" |
|
5000 |
2-1/16" ~ 11" |
13-5/8" ~ 21 1/4" |
|
10000 |
- |
5-1/8" ~ 21 1/4" |
|
15000 |
- |
5-1/8" ~18 3/4" |
|
20000 |
- |
7-1/16" ~13 5/4" |