CAMTOP 7 1/16″ 10M WP Annular BOP — API SPEC 16A high-pressure spherical blowout preventer. 10,000 psi working pressure, 15,000 psi test pressure, NACE MR-0175 compliant. Hydril-style interchangeable design with BX156 connections. Only 5 main components for simplified maintenance.
7 1/16″ 10M WP Annular BOP | API 16A | 10,000 PSI | CAMTOP
Description
7 1/16″ 10M WP Annular BOP 环形防喷器
API SPEC 16A | 7 1/16″ Bore | 10,000 PSI Working Pressure | NACE MR-0175
Product Overview
The 7 1/16″ 10M WP Annular BOP is a high-pressure spherical blowout preventer designed and manufactured to API SPEC 16A standards for demanding well control applications. With a 7 1/16-inch bore and 10,000 psi working pressure rating (15,000 psi test pressure), it delivers robust sealing performance for high-pressure drilling, completion, and workover operations. The Hydril-style construction features only five major components and a fully interchangeable sealing element for simplified maintenance.
Bore: 7 1/16″ | Working Pressure: 10,000 psi | Test Pressure: 15,000 psi | Weight: 12,213 lb (5,540 kg) | Standard: API SPEC 16A / NACE MR-0175
Product Image
CAMTOP 7 1/16″ 10M WP Annular BOP — Hydril-style construction with interchangeable sealing element
Assembly Drawing
CAMTOP 7 1/16″ 10M WP Annular BOP General Assembly Drawing — For reference only
Key Features
- 10,000 PSI High-Pressure Rating: 10,000 psi working pressure with 15,000 psi hydrostatic body test — suitable for high-pressure well control scenarios
- API SPEC 16A Compliant: Designed and manufactured to international drilling equipment standards for annular blowout preventers
- Hydril-Style Interchangeable Design: Structurally equivalent to Hydril annular BOPs with fully interchangeable sealing elements for easy maintenance and global parts availability
- NACE MR-0175 Compliant: Suitable for H2S sour service environments with appropriate material selection and hardness control
- Ni-Based Alloy 625 Ring Grooves: All ring grooves welded with nickel-based alloy 625 stainless steel for superior corrosion resistance at high pressures
- 5 Major Components Only: Simplified assembly with only five main structural parts for reduced maintenance complexity and higher reliability
- Acme Thread Body-Head Connection: Heavy-duty Acme threaded connection between upper housing and lower housing for secure pressure containment
- Wear Ring Protection: Moving parts equipped with wear rings (upper housing, lower housing, piston) to prevent metal-to-metal contact and extend BOP service life
- Easy Seal Element Replacement: Sealing element can be replaced without disassembling or removing hydraulic connections — reduces downtime
- Full Bore Sealing Range: Seals on pipe sizes from 0 to 7 1/16″ for maximum operational flexibility including stripping operations
- BX156 High-Pressure Connections: API BX156 studded top and flanged bottom for secure high-pressure wellhead integration
- T-20 / BA Temperature Rating: Metal rated -29°C to +121°C (T-20); non-metal seals rated -18°C to +82°C (BA)
Technical Specifications
| Item | Specification |
|---|---|
| Model | 7 1/16″ -10M WP Annular BOP |
| Nominal Bore | 7 1/16″ (179.4 mm) |
| Working Pressure | 10,000 psi (69 MPa) |
| Hydrostatic Test Pressure | 15,000 psi (103.5 MPa) |
| Top Connection | 7 1/16″ -10,000 psi BX156 Studded |
| Bottom Connection | 7 1/16″ -10,000 psi BX156 Flanged |
| Piston Stroke | 5.50″ (140 mm) |
| Open Chamber Volume | 7.13 gal (27.0 L) |
| Close Chamber Volume | 9.42 gal (35.7 L) |
| Hydraulic Control Pressure | ≤ 1,500 psi (10.3 MPa) |
| Hydraulic Connection | NPT 1″ |
| Sealing Range | 0 ~ 7 1/16″ |
| Overall Dimensions | 50.04″ x 50.04″ x 48.13″ (1,271 x 1,271 x 1,223 mm) |
| Net Weight | 12,213 lb (5,540 kg) |
| Design Standard | API SPEC 16A / API SPEC 16E |
| Sour Service | NACE MR-0175 / ISO 15156 Compliant |
| Temperature Rating (Metal) | T-20: -29°C to +121°C (-20°F to 250°F) |
| Temperature Rating (Non-Metal) | BA: -18°C to +82°C (0°F to 180°F) |
Material Specifications
| Component | Material |
|---|---|
| Pressure-Containing Parts (Housing, Upper Housing, Piston) |
Low Alloy Steel (Qualified Casting) |
| Studs | AISI 4142 (42CrMo) Alloy Steel — 2 1/4″ x 8UN x 14.57″ |
| Nuts | AISI C1045 (45) High Carbon Steel — 2 1/4″ x 8UN |
| Ring Groove Overlay | Nickel-Based Alloy 625 Stainless Steel Welding |
| Sealing Element Elastomer | Long-Life Nitrile (BA Rating) — Hydril-Type Interchangeable |
| Wear Rings | Corrosion-Resistant Alloy (Upper/Lower Housing, Piston) |
Main Components
| Component | Description |
|---|---|
| Upper Housing / Cover | Top pressure-containing housing with API BX156 studded connection; low alloy steel casting with Ni-625 ring groove overlay |
| Lower Housing / Body | Main body with API BX156 flanged bottom connection, NPT 1″ hydraulic ports, and lower wear ring |
| Sealing Element (Packer) | Steel-reinforced nitrile elastomer sealing element; seals from 0 to 7 1/16″; Hydril-type interchangeable design — rated for hundreds of full WP cycles |
| Adapter Ring | Steel adapter ring (upper/lower) positioned above and below the sealing element for uniform force distribution |
| Piston | Hydraulic piston with upper/lower seals and wear ring; 5.50″ stroke for complete sealing element actuation |
| Studs & Nuts | Heavy-duty 2 1/4″ x 8UN x 14.57″ studs with nuts; AISI 4142 alloy steel studs, AISI C1045 nuts |
| Wear Rings (3 sets) | Upper housing, lower housing, and piston wear rings prevent metal-to-metal contact |
| Lifting Shackle | Top-mounted heavy-duty lifting shackle for crane handling of 12,213 lb unit |
Spare Parts List
| Part | Qty |
|---|---|
| Sealing Element (Packer) | 1 |
| Adapter Ring Set (Upper & Lower) | 1 |
| Upper Piston Seal | 1 |
| Lower Piston Seal | 1 |
| O-Ring Set | 1 set |
| Upper Housing Wear Ring | 1 |
| Lower Housing Wear Ring | 1 |
| Piston Wear Ring | 2 |
| Pipe Plug NPT 1″ | 2 |
Quality Assurance & Testing
- Performance testing per API SPEC 16A requirements before delivery with certified inspection reports
- Dimensional inspection of all major components per API 16A requirements with documented records
- Mechanical property test reports for pressure-containing parts and connection studs
- Chemical composition reports for pressure-containing parts, studs, and critical components
- NDE reports: Ultrasonic Testing (UT) and Magnetic Particle Inspection (MPI)
- Pressure testing: Hydrostatic body test at 15,000 psi with certified test certificates
- Complete documentation package: certificates, material test reports, NDE records, and operation manual (3 copies)
Applications
- High-pressure onshore and offshore drilling rigs requiring 10,000 psi annular blowout prevention
- Deep gas wells and high-pressure formations demanding increased BOP pressure ratings
- Stripping operations (pipe movement under pressure through closed BOP) at high wellbore pressures
- Completion and workover operations with elevated surface pressures
- Sour service (H2S) environments with NACE MR-0175 compliance
Why Choose CAMTOP?
- API SPEC 16A compliant design and manufacturing with full traceability
- ISO 9001 certified quality management system
- Hydril-style interchangeable design for proven high-pressure reliability and global parts availability
- Complete documentation package: material certificates, NDE reports, pressure test records, and operation manuals
- All ring grooves welded with Ni-based Alloy 625 for long-term corrosion protection
- Spare parts and seal kits readily available from stock
- Competitive factory-direct pricing with global shipping
- Technical support including installation guidance and maintenance training
Contact Us
Email: sales@cposl.com
Phone: 86-18621723891
Web: www.camtop-oilfieldtools.com
Address: No. 432, Fute North Road, Pudong District, Shanghai, China
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