Audited Supplier
Drilling spool and adapter can be designed according to customer's all kinds of models and sizes to meet the requirements in work site. There are three kinds of connecting models for BOP connection and outlets, including flanged, studded and clamped-in style. Gasket groove is line welded by stainless according to API Spec 6A, so as to prolong the using period and decrease the maintaining cost.
Top flange | Top flange | Top flange | Top flange |
11"×2000psi (279.4mm×14MPa) | 11"×2000psi (279.4mm×14MPa) | 11"×5000psi (279.4mm×35MPa) | 13-5/8"×5000psi (346.1mm×35MPa) |
11"×2000psi (279.4mm×14MPa) | 13-5/8"×2000psi (346.1mm×14MPa) | 11"×10000psi (279.4mm×70MPa) | 13-5/8"×5000psi (346.1mm×35MPa) |
11"×3000psi (279.4mm×21MPa) | 11"×3000psi (279.4mm×21MPa) | 11"×15000psi (279.4mm×105MPa) | 13-5/8"×5000psi (346.1mm×35MPa) |
11"×3000psi (279.4mm×21MPa) | 13-5/8"×2000psi (346.1mm×14MPa) | 13-5/8"×5000psi (346.1mm×35MPa) | 21-1/14"×2000psi (539.8mm×14MPa) |
11"×3000psi (279.4mm×21MPa) | 13-5/8"×3000psi (346.1mm×21MPa) | 13-5/8"×10000psi (346.1mm×70MPa) | 13-5/8"×5000psi (346.1mm×35MPa) |
11"×5000psi (279.4mm×35MPa) | 13-5/8"×3000psi (346.1mm×21MPa) | 13-5/8"×15000psi (346.1mm×105MPa) | 13-5/8"×5000psi (346.1mm×35MP |
Gate valves | Manual rising stem gate valves | Manual non-rising stem gate valves | Hydraulic gate valves | FC/FLS valves |
Mud valves | Choke valves | Check valves | Safety valves | Plug Valves |
Structure
-Forged body & bonne |
-Low operation torque |
-Metal-to-metal body/bonnet seal |
-Metal-to-metal backseal seal can be energized |
-Metal-to-metal backseal seal can be energized regardless of gate position |
-Lubrication fittings for easy maintenance |
-Gate guides retain body lubricants and protect gate |
-Manual or actuated operation |
-Flanged or screwed outlets |
Main parts & Materials
API 6A Materials Classification. | Body & Bonnet Material | Stem Material / Coating | Gate Material /Coating | Seat Material /Coating |
AA-General Service | Low Alloy Steel | AISI 41 XX Nitrided | AISI 41 XX Nitrided | SI 41 XX Nitrided |
BB- General Service | Low Alloy Steel | AISI 41 XX Nitrided | AISI 41 XX Nitrided | Stellite TM 3 |
CC- General Service | 4A | AISI 410 SS | AISI 410 Nitrided | Stellite TM 3 |
DD-Sour Service | Low Alloy Steel | AISI 41 XX Nickel-Plated | AISI 41 XX Hard-Face | Stellite TM 3 |
EE- Sour Service | Low Alloy Steel | AISI 410 Nitrided | AISI 41 XX Hard-Face | Stellite TM 3 |
FF- Sour Service | 4A | AISI 410 Nitrided | AISI 41 XX Hard-Face | Stellite TM 3 |
HH- Sour Service | Low Alloy Steel clad with alloy 625 or solid alloy 718 | Alloy 718 | Alloy 718 Hard-Face | Stellite TM 3 |