Description
CAMTOP 21″ 1/4" 2M Bolted-Крышка Сферический превентор — API 16A Устьевое оборудование Pressure Control
The CAMTOP 21 1/4 Inch 2M Bolted-Крышка Сферический превентор is an extra-large-bore blowout preventer engineered for wellhead pressure isolation where oversized tubulars and casing strings require a 21-1/4 inch (540 mm) bore. Rated for 2,000 psi (2M) working pressure and conforming to API 16A / API 16D specifications, the bolted-cover spherical ПВО delivers reliable wellhead pressure control on exploration, workover, and large-casing-handling operations where standard ram BOPs are impractical.
This 21″ 1/4" 2M model extends the CAMTOP Сферический превентор family to the largest bore available in this product line. It shares wear-ring, eye-bolt, NPT-pipe-plug, and hammer-wrench components with our 7-1/16" 10M / 7-1/16" 5M / 11" 5M / 11" 3M / 13-5/8" 5M / 20-3/4" 3M units. Common service parts such as P/N 150613 wear rings, P/N 152344 adapter-ring wear band, P/N 050243 eye bolts, P/N 066326 1/2" NPT pipe plug, and P/N 065008 1/4" NPT pipe plug simplify operator inventory and reduce spare-parts cost across the family.
Product Image
Figure 1 — CAMTOP 21″ 1/4" 2M Bolted-Крышка Сферический превентор (front view, 21-1/4 inch / 540 mm bore, with bolted studded cover).
Key Features
- API 16A / API 16D Compliant — Designed, manufactured, and tested to API specifications for wellhead pressure-control equipment.
- 2,000 psi (2M) Working Pressure — Field-rated for medium-pressure land and offshore wellhead stacks handling oversized tubulars.
- 21-1/4 Inch (540 mm) Bore — Extra-large through-bore for accommodating large-diameter drill strings, casing strings, completion tools, and workover strings.
- Bolted-Крышка Construction — Robust studded flange cover allows simple field service and seal inspection without specialized fixtures.
- Studded Верхний Корпус / Flanged Нижний Корпус (P/N 150749 / 152204) — Direct integration with API 6B flange bolting on the wellhead adapter.
- Sealing Element P/N 155623 Поршень — Heat-treated steel piston with replaceable nitrile and natural elastomer sealing elements (P/N 150799 blue nitrile / 150800 red natural).
- Replaceable Wear Rings P/N 150613 — Field-installable wear bands on piston and lower housing extend service life.
- Переходник Кольцо P/N 152183 — Allows over-gauge tools to pass through the bore when configured for stripping operations.
- Переходник-Кольцо Wear Band P/N 152344 — Field-installable wear band on the adapter ring extends adapter-ring service life in heavy-stripping operations.
- API 6B Шпилька & Гайка Комплект (P/N 150832 / 020107) — Pre-matched stud/nut set for the upper housing flange sealing.
- API Фланец Шпилька & Гайка Комплект (P/N 011023 / 020012) — Pre-matched stud/nut set for the API 6B flange connection on top of the upper housing.
- Anchor Shackles P/N 060498 (×2) — Lifting attachment rated for safe handling during rig-up and rig-down operations.
- Гидравлический Operated — Interfaces with the rig ПВО control system for remote, fail-safe closure.
- Built-In Drain & Gauge Ports — 1/2" NPT (P/N 066326) and 1/4" NPT (P/N 065008) pipe plugs provide pressure-monitoring and leak-detection access.
- Optional Уплотнение Комплект & Гидроаккумулятор Комплект — P/N 155067 seal kit and P/N 152717 accumulator kit available for scheduled maintenance and control-system upgrades.
Technical Specifications
| Specification | Value |
|---|---|
| Product Name | 21″ 1/4" 2M Bolted-Крышка Сферический превентор |
| Bore Size | 21″ 1/4 inch (540 mm) |
| Working Pressure | 2,000 psi (2M / 13.8 MPa) |
| Test Pressure | 4,000 psi (API 16A 2× WP) |
| Design Standard | API 16A / API 16D |
| Material Standard | API 60 (forged low-alloy steel) |
| Temperature Class | L (-60°F) / Standard / P (Class T available) |
| Top Connection | Studded (Верхний Корпус P/N 150749) |
| Bottom Connection | API 6B Flanged (Нижний Корпус P/N 152204) |
| Bolted-Крышка Fasteners | Studs P/N 150832 / Nuts P/N 020107 |
| API Фланец Шпилька & Гайка | Studs P/N 011023 / Nuts P/N 020012 |
| Уплотнение Material Options | Nitrile (Blue) P/N 150799 / Natural (Red) P/N 150800 |
| Wear Rings | P/N 150613 (piston & lower housing) / P/N 152344 (adapter ring) |
| Operating Medium | Гидравлический (hydraulic actuator interface) |
| Approx. Weight (Bare Unit) | 3,000 lb / 1,360 kg (typical, varies with stud set) |
| Optional Accessories | Уплотнение Комплект P/N 155067, Гидроаккумулятор Комплект P/N 152717 |
| Service Class | PRD (Pressure-Rated Drilling) |
BOM — Сферический превентор 21″ 1/4" 2M (Typical)
The CAMTOP 21″ 1/4" 2M Bolted-Крышка Сферический превентор consists of 8 typical BOM parts on Page 1 (housing & sealing elements) plus 21 typical parts on Page 2 Continued (seals, wear rings, fasteners, accessories). Field service typically requires replacement of wear rings (P/N 150613 / 152344), seals (P/N 150799 / 150800), and pipe plugs during scheduled maintenance.
BOM — Page 1 (Корпус & Sealing Elements)
| Description | P/N | Qty. |
|---|---|---|
| Нижний Корпус-Flanged | 152204 | 1 |
| Верхний Корпус-Studded | 150749 | 1 |
| Поршень | 155623 | 1 |
| Переходник Кольцо | 152183 | 1 |
| Sealing Element — Nitrile (Blue) | 150799 | 1 |
| Sealing Element — Natural (Red) | 150800 | 1 |
| Шпилька (Крышка) | 150832 | 1 Комплект** |
| Гайка (Крышка) | 020107 | 1 Комплект** |
** Part numbers are for each one. Quantity varies with size of spherical ПВО.
BOM — Page 2 Continued (Seals, Wear Rings & Accessories)
| Description | P/N | Qty. |
|---|---|---|
| Уплотнение — Поршень I.D. Верхний | 031108 | 1 |
| Уплотнение — Поршень I.D. Нижний | 030761 | 1 |
| Уплотнение — Поршень O.D. | 030767 | 2 |
| Уплотнение — Переходник I.D. Верхний | 031107 | 1 |
| Уплотнение — Переходник I.D. Нижний | 031018 | 1 |
| Уплотнение — Переходник O.D. | 031019 | 1 |
| Уплотнение — Переходник Top | 031027 | 1 |
| Wear Кольцо — Поршень | 150613 | 2 |
| Wear Кольцо — Нижний Корпус | 150613 | 1 |
| Pipe Plug (Крышка) | 066329 | 2 |
| Anchor Shackle | 060498 | 2 |
| Шпилька for API Фланец | 011023 | 1 Комплект** |
| Гайка for API Фланец | 020012 | 1 Комплект** |
| Wear Кольцо — Переходник Кольцо | 152344 | 1 |
| Eye Bolts | 050243 | 2 |
| Hammer Ключ | 050822 | 1 |
| Pipe Plug (1/2" NPT) | 066326 | 1 |
| Pipe Plug (1/4" NPT) | 065008 | 1 |
| Уплотнение Комплект* | 155067 | 1 |
| Гидроаккумулятор Комплект† | 152717 | 1 |
* Not a standard accessory. Includes all recommended spare seals.
** Part numbers are for each one. Quantity varies with size of spherical.
† Not a standard accessory.
BOM — Original Reference (BOM List Page 1 & 2)
BOM Table — Page 1 (Корпус & Sealing Elements)
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