21-1/4” Nitrile Packing Element for Shaffer spherical BOP, P/N 150799, designed for reliable sealing performance in high-pressure well control operations.
21-1/4” Nitrile Packing Element for Shaffer BOP | P/N 150799 Supplier
Description
21-1/4” Nitrile Packing Element for Shaffer BOP (P/N 150799)
The 21-1/4” Nitrile Packing Element is a critical sealing component designed for Shaffer spherical blowout preventers (BOP). Engineered for high-performance well control operations, this packing element ensures reliable sealing, durability, and operational safety in demanding oilfield environments.
This element is manufactured in accordance with industry standards and is fully compatible with Shaffer spherical bolted cover type BOP systems.
🔧 Product Overview
- Product Name: Packing Element (BOP)
- Size: 21-1/4” x 2M
- Material: Nitrile Rubber (NBR – Blue)
- OEM Compatibility: Shaffer
- Part Number: 150799
- Type: Spherical BOP Element (Bolted Cover Type)
- Application: Well Control Equipment
⚙️ Technical Specifications
| Parameter | Specification |
|---|---|
| Nominal Size | 21-1/4” |
| Pressure Rating | Suitable for high-pressure well control |
| Material Type | Nitrile (NBR) |
| Temperature Range | -20°C to +120°C |
| BOP Type | Spherical (Annular BOP) |
| Cover Type | Bolted Cover |
| Compatibility | Shaffer BOP Systems |
| Standard | API 16A / Oilfield Standards |
🧪 Material Characteristics (Nitrile – NBR)
The packing element is manufactured from high-grade Nitrile Rubber (NBR), offering:
- Excellent oil resistance
- Good abrasion resistance
- Reliable sealing performance under pressure
- Suitable for drilling fluids and hydrocarbons
- Cost-effective compared to HNBR options
🏭 Design Features
- Spherical sealing design ensures uniform pressure distribution
- Reinforced internal structure for extended service life
- High elasticity for efficient pipe sealing across various diameters
- Precision molded geometry for perfect fit in Shaffer BOP housing
- Blue identification color for easy material recognition
📐 Engineering & Drawing Description
The packing element features a spherical elastomer body reinforced with metal inserts, designed to:
- Seal around drill pipe, casing, or tubing
- Close the wellbore under pressure
- Maintain integrity during stripping operations
Typical drawing includes:

🔩 Applications
This packing element is widely used in:
1. Blowout Preventer (BOP) Systems
Ensures reliable sealing during drilling and well intervention operations.
2. Well Control Operations
Critical for preventing blowouts and maintaining pressure control.
3. Drilling & Workover Activities
Used during pipe running, pulling, and stripping operations.
4. Offshore & Onshore Oilfields
Suitable for both land rigs and offshore platforms.
🌍 Operation Environment
| Environment | Suitability |
|---|---|
| Onshore Wells | ✔ Highly Suitable |
| Offshore Platforms | ✔ Highly Suitable |
| High Pressure Wells | ✔ Suitable |
| Harsh Environment | ✔ Suitable |
| Oil-Based Mud | ✔ Compatible |
🔍 Quality & Inspection
- Material testing (NBR compound verification)
- Dimensional inspection
- Pressure performance validation
- Visual and structural integrity checks
All products can be supplied with:
- Inspection reports
- Material certificates
- Test documentation
🏢 Why Choose CAMTOP
- Professional oilfield equipment supplier
- Compatible with major brands (Shaffer, Cameron, etc.)
- Strict quality control
- Fast response for RFQs
- Global supply capability
📞 Request a Quote
Looking for a reliable supplier for Shaffer BOP packing elements (P/N 150799)?
Contact us today for pricing and technical support.
CAMTOP (SHANGHAI) MACHINERY EQUIPMENT CO., LTD
📞 Tel: +86 21 58432768
📱 WhatsApp: +86 18621723891
🌐 Website: www.cposl.com

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