CAMTOP 7 1/16″ 5M WP Annular BOP — API SPEC 16A spherical blowout preventer. 5,000 psi working pressure, NACE MR-0175 compliant. Shaffer-style interchangeable design with compact low-profile construction. Ni-based alloy 625 ring grooves.
7 1/16″ 5M WP Annular BOP | API 16A | 5,000 PSI | CAMTOP
Description
7 1/16″ 5M WP Annular BOP 环形防喷器
API SPEC 16A | 7 1/16″ Bore | 5,000 PSI Working Pressure | NACE MR-0175
Product Overview
The 7 1/16″ 5M WP Annular BOP is a high-performance spherical blowout preventer designed and manufactured to API SPEC 16A standards. With a 7 1/16-inch bore and 5,000 psi working pressure rating, it provides reliable well control for a wide range of drilling and workover operations. The compact design is structurally equivalent to Shaffer-style annular BOPs with fully interchangeable sealing elements.
Bore: 7 1/16″ | Working Pressure: 5,000 psi | Test Pressure: 7,500 psi | Weight: 3,064 lb (1,390 kg) | Standard: API SPEC 16A
Product Image
CAMTOP 7 1/16″ 5M WP Annular BOP — Compact spherical design for reliable well control
Assembly Drawing
CAMTOP 7 1/16″ 5M WP Annular BOP General Assembly Drawing — For reference only
Key Features
- API SPEC 16A Compliant: Designed and manufactured to international drilling equipment standards for annular blowout preventers
- 5,000 PSI Working Pressure: Rated for 5,000 psi with 7,500 psi hydrostatic body test pressure
- Shaffer-Style Interchangeable Design: Structurally equivalent to Shaffer annular BOPs with fully interchangeable sealing elements for easy maintenance and parts availability
- Compact Low-Profile Design: 15-20% lower overall height compared to conventional annular BOPs, saving valuable rig space
- NACE MR-0175 Compliant: Suitable for H2S sour service environments with appropriate material selection
- Ni-Based Alloy 625 Ring Grooves: All ring grooves welded with nickel-based alloy 625 stainless steel for superior corrosion resistance
- Wear Ring Protection: Moving parts equipped with wear rings 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
- 5 Major Components Only: Simplified assembly with only five main structural parts for reduced maintenance complexity
- Full Bore Sealing Range: Seals on pipe sizes from 0 to 7 1/16″ for maximum operational flexibility
- API Studded Top / Flanged Bottom: Standardized connections for quick rig integration
- T-20 Temperature Rating: Metal materials rated for -29°C to +121°C; BA non-metallic seals rated for -18°C to +82°C
Technical Specifications
| Item | Specification |
|---|---|
| Model | 7 1/16″ -5M WP Annular BOP |
| Nominal Bore | 7 1/16″ (179.4 mm) |
| Working Pressure | 5,000 psi (34.5 MPa) |
| Hydrostatic Test Pressure | 7,500 psi (51.7 MPa) |
| Top Connection | 7 1/16″ -5,000 psi R46 Studded |
| Bottom Connection | 7 1/16″ -5,000 psi R46 Flanged |
| Piston Stroke | 3.37″ (85.6 mm) |
| Open Chamber Volume | 3.21 gal (12.15 L) |
| Close Chamber Volume | 4.57 gal (17.30 L) |
| Hydraulic Control Pressure | ≤ 1,500 psi (10.3 MPa) |
| Hydraulic Connection | NPT 1″ |
| Sealing Range | 0 ~ 7 1/16″ |
| Overall Dimensions (LxWxH) | 29″ x 29″ x 30.87″ (737 x 737 x 784 mm) |
| Net Weight | 3,064 lb (1,390 kg) |
| Design Standard | API SPEC 16A / API SPEC 16E |
| Sour Service | NACE MR-0175 Compliant |
| Temperature Rating (Metal) | T-20: -29°C to +121°C |
| Temperature Rating (Non-Metal) | BA: -18°C to +82°C |
Material Specifications
| Component | Material |
|---|---|
| Pressure-Containing Parts (Housing, Upper Housing, Piston) |
Low Alloy Steel (Qualified Casting) |
| Studs | AISI 4142 (42CrMo) Alloy Steel |
| Nuts | AISI C1045 (45) High Carbon Steel |
| Ring Groove Overlay | Nickel-Based Alloy 625 Stainless Steel Welding |
| Sealing Element Elastomer | Long-Life Nitrile (BA Rating) |
Main Components
| Component | Description |
|---|---|
| Upper Housing / Cover | Top pressure-containing housing with API R46 studded connection; low alloy steel casting |
| Lower Housing / Body | Main body with API R46 flanged bottom connection; includes NPT 1″ hydraulic ports and wear ring |
| Sealing Element (Packer) | Steel-reinforced nitrile elastomer sealing element; seals on pipe sizes from 0 to 7 1/16″; Shaffer-interchangeable design |
| Adapter Ring | Steel adapter ring positioned above the sealing element for force distribution |
| Piston | Hydraulic piston with upper/lower seals and wear ring; actuates the sealing element |
| Studs & Nuts | 1 1/2″ x 8UN studs with nuts; AISI 4142 alloy steel studs, AISI C1045 nuts |
| Lifting Shackle | Top-mounted lifting shackle for rig handling and installation |
| Pipe Plug | NPT 1″ pipe plugs for hydraulic port protection |
Quality Assurance & Testing
- Performance testing per API SPEC 16A requirements before delivery with 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 other critical components
- NDE reports: Ultrasonic testing (UT) and/or Magnetic Particle Inspection (MPI)
- Complete documentation package: certificates, material test reports, NDE records, and operation manual (3 copies)
Spare Parts List
| Part | Qty |
|---|---|
| Sealing Element (Packer) | 1 |
| Adapter Ring (Upper/Lower) | 1 |
| Piston Seal (Upper/Lower) | 2 |
| O-Ring Set | 1 set |
| Lower Housing Wear Ring | 1 |
| Piston Wear Ring | 2 |
| Pipe Plug NPT 1″ | 2 |
Applications
- Onshore and offshore drilling rigs requiring annular blowout prevention
- Stripping operations (pipe movement under pressure through closed BOP)
- Well control during tripping and drilling operations
- Workover and well intervention with various tubular sizes
- Sour service (H2S) environments with NACE MR-0175 compliance
- Standard and high-temperature well applications
Why Choose CAMTOP?
- API SPEC 16A compliant design and manufacturing with full traceability
- ISO 9001 certified quality management system
- Shaffer-style interchangeable design for proven 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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