Description
CAMTOP 11″ 3M Bolted-Крышка Сферический превентор — API 16A Устьевое оборудование Pressure Control
The CAMTOP 11 Inch 3M Bolted-Крышка Сферический превентор is a large-bore annular-style blowout preventer engineered for wellhead pressure isolation on high-pressure oil and gas wellheads. Rated for 3,000 psi (3M) working pressure and conforming to API 16A / API 16D specifications, the bolted-cover spherical ПВО delivers reliable pressure control on exploration, production, and workover operations where standard rams are impractical.
This 11″ model is one of the CAMTOP Сферический превентор family — sharing wear-ring, seal, and fastener components with our 7-1/16″ 10M / 7-1/16″ 5M / 11″ 5M / 13-5/8″ 5M / 20-3/4″ 3M units. Common service parts such as P/N 150613 wear rings, P/N 050243 eye bolts, and P/N 050823 hammer wrench simplify operator inventory and reduce spare-parts cost.
Product Image

Figure 1 — CAMTOP 11″ 3M Bolted-Крышка Сферический превентор (front view, shown with studs and top anchor shackle installed).
Key Features
- API 16A / API 16D Compliant — Designed, manufactured, and tested to API specifications for wellhead pressure-control equipment.
- 3,000 psi (3M) Working Pressure — Field-rated for medium- to high-pressure land and offshore wellhead stacks.
- 11 Inch (280 mm) Bore — Large through-bore accommodates oversized drill strings, casing strings, and wireline tools.
- 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 150486 / 152019) — Direct integration with API 6B flange bolting on the wellhead adapter.
- Sealing Element P/N 150498 Поршень — Heat-treated steel piston with replaceable nitrile and natural elastomer sealing elements (P/N 150578 blue nitrile / 150579 red natural).
- Replaceable Wear Rings P/N 150613 — Field-installable wear bands on piston and lower housing extend service life.
- Переходник Кольцо P/N 152026 — Allows over-gauge tools to pass through the bore when configured for stripping operations.
- API 6B Шпилька & Гайка Комплект (P/N 150487 / 020108) — Pre-matched stud/nut set for the upper housing flange sealing.
- Anchor Shackles P/N 060499 (×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 155075 seal kit and P/N 152715 accumulator kit available for scheduled maintenance and control-system upgrades.
Technical Specifications
| Specification | Value |
|---|---|
| Product Name | 11" 3M Bolted-Крышка Сферический превентор |
| Bore Size | 11 inch (280 mm) |
| Working Pressure | 3,000 psi (3M / 20.7 MPa) |
| Test Pressure | 6,000 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 150486) |
| Bottom Connection | API 6B Flanged (Нижний Корпус P/N 152019) |
| Bolted-Крышка Fasteners | Studs P/N 150487 / Nuts P/N 020108 |
| Уплотнение Material Options | Nitrile (Blue) P/N 150578 / Natural (Red) P/N 150579 |
| Wear Rings | P/N 150613 (piston & lower housing) |
| Operating Medium | Гидравлический (hydraulic actuator interface) |
| Approx. Weight (Bare Unit) | 1,400 lb / 635 kg (typical, varies with stud set) |
| Optional Accessories | Уплотнение Комплект P/N 155075, Гидроаккумулятор Комплект P/N 152715 |
| Service Class | PRD (Pressure-Rated Drilling) |
BOM — Сферический превентор 11″ 3M (Typical)
The CAMTOP 11″ 3M Bolted-Крышка Сферический превентор consists of 23 typical BOM parts plus 5 recommended spares & accessories. Field service typically requires replacement of wear rings (P/N 150613), seals (P/N 150578 / 150579), and pipe plugs during scheduled maintenance.
BOM — Page 1 (Крышка & Sealing Stack)
| Description | P/N | Qty. |
|---|---|---|
| Нижний Корпус-Flanged | 152019 | 1 |
| Верхний Корпус-Studded | 150486 | 1 |
| Поршень | 150498 | 1 |
| Переходник Кольцо | 152026 | 1 |
| Sealing Element — Nitrile (Blue) | 150578 | 1 |
| Sealing Element — Natural (Red) | 150579 | 1 |
| Шпилька (Крышка) | 150487 | 1 Комплект** |
| Гайка (Крышка) | 020108 | 1 Комплект** |
| Уплотнение — Поршень I.D. Верхний | 031099 | 1 |
| Уплотнение — Поршень I.D. Нижний | 031101 | 1 |
| Уплотнение — Поршень O.D. | 030765 | 2 |
| Уплотнение — Переходник I.D. Верхний | 031098 | 1 |
| Уплотнение — Переходник I.D. Нижний | 030761 | 1 |
| Уплотнение — Переходник O.D. | 030760 | 1 |
| Уплотнение — Переходник Top | 131095 | 1 |
| Wear Кольцо — Поршень | 150613 | 2 |
| Wear Кольцо — Нижний Корпус | 150613 | 1 |
| Pipe Plug (Крышка) | 066335 | 2 |
| Anchor Shackle | 060499 | 2 |
| Шпилька for API Фланец | 011015 | 1 Комплект** |
| Гайка for API Фланец | 020011 | 1 Комплект** |
| Wear Кольцо — Переходник Кольцо | — | 1 |
| Eye Bolts | 050243 | 2 |
** Part numbers are for each one. Quantity varies with size of spherical ПВО.
BOM — Page 2 (Continued — Service Tools & Accessories)
| Description | P/N | Qty. |
|---|---|---|
| Hammer Ключ | 050823 | 1 |
| Pipe Plug (1/2" NPT) | 066326 | 1 |
| Pipe Plug (1/4" NPT) | 065008 | 1 |
| Уплотнение Комплект* | 155075 | 1 |
| Гидроаккумулятор Комплект† | 152715 | 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 Image 1 & 2)

BOM Table — Page 1 (Крышка & Sealing Stack)

BOM Table — Page 2 (Service Tools & Accessories)
Bolted-Крышка Exploded View

Figure 4-13. Bolted-Крышка Exploded View (20 numbered components).
| No. |
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