T-81 Ram-Type BOP – 7-1/16 and 9 inch bore sizes, 3000 and 5000 PSI. API 16A. Single, double, triple cavity. Manual and hydraulic. CAMTOP oilfield BOP equipment.
T-81 Ram-Type BOP | 7-1/16 & 9 inch | 3000 5000 PSI API 16A | Single Double Triple
Description
T-81 Ram-Type BOP
API 16A | 7-1/16″ & 9″ Bore | 3,000 / 5,000 PSI | Single / Double / Triple | Manual & Hydraulic
Product Overview
The T-81 Ram-Type BOP is a compact, lightweight blowout preventer perfectly suited for well servicing, workover, and small bore drilling applications. Available in both manual and hydraulic operating configurations with single, double, and triple cavity options, the T-81 provides versatile well control across 7-1/16 inch and 9 inch bore sizes at 3,000 PSI and 5,000 PSI working pressure ratings. The ram-type design accommodates ram sizes from complete shut-off (blind) up to 7-5/8 inch pipe.
Bore Sizes: 7-1/16″ & 9″ | Pressure Ratings: 3,000 PSI & 5,000 PSI | Configurations: Single, Double, Triple | Operating Type: Manual & Hydraulic
Assembly Drawing
T-81 Ram-Type BOP General Assembly Drawing & Component Diagram
Key Features
- API 16A Compliant: Designed and manufactured to API 16A specifications for blowout prevention equipment
- Compact & Lightweight Design: Optimized for well servicing, workover, and small bore drilling applications where rig space is limited
- Flexible Cavity Configurations: Available as single, double, or triple ram cavity units for customized well control requirements
- Dual Operating Options: Available in both manual (handwheel-operated) and hydraulic (remote-controlled) configurations
- Wide Ram Size Range: Accommodates rams from complete shut-off (blind) to 5-1/2″ (7-1/16″ bore) or 7-5/8″ (9″ bore)
- Two Bore Size Options: 7-1/16 inch and 9 inch through-bore for different wellbore requirements
- Dual Pressure Ratings: 3,000 PSI and 5,000 PSI working pressure for standard and demanding well conditions
- Studded & Flanged Connections: Available with studded or flanged end connections to match existing wellhead configurations
- Balanced Hydraulic Operation: 4.2:1 closing ratio with 1,500 PSI operating pressure for smooth ram actuation
- Interchangeable Rams: Ram blocks, top seals, and ram packers can be changed in the field for different pipe sizes
T-81 Hydraulic Type — Dimensions & Weights
| Parameter | 7-1/16″ x 3K | 7-1/16″ x 5K | 9″ x 3K | 9″ x 5K |
|---|---|---|---|---|
| Overall Height — Studded (Less Studs) | ||||
| Single | 12.75″ | 12.75″ | 13.00″ | 12.94″ |
| Double | 21.25″ | 21.25″ | 21.44″ | 21.44″ |
| Triple | 29.75″ | 29.75″ | 29.94″ | 29.94″ |
| Overall Height — Flanged | ||||
| Single | 18.13″ | 19.94″ | 17.75″ | 19.59″ |
| Double | 26.00″ | 27.79″ | 26.28″ | 28.09″ |
| Triple | 34.51″ | 36.19″ | 34.78″ | 36.59″ |
| Overall Envelope | ||||
| Length | 63.37″ | 64.87″ | 70.62″ | 70.62″ |
| Width | 20.57″ | 20.84″ | 22.88″ | 23.15″ |
| Bore Opening | 7-1/16″ | 7-1/16″ | 9″ | 9″ |
| Weights — Hydraulic Type | ||||
| Single (Studded) | 1,544 lbs | 1,647 lbs | 1,818 lbs | 1,912 lbs |
| Single (Flanged) | 1,657 lbs | 1,764 lbs | 1,931 lbs | 2,079 lbs |
| Double (Studded) | 2,554 lbs | 2,778 lbs | 3,125 lbs | 3,161 lbs |
| Double (Flanged) | 2,667 lbs | 2,895 lbs | 3,238 lbs | 3,328 lbs |
| Triple (Studded) | 3,489 lbs | 3,848 lbs | 4,060 lbs | 4,096 lbs |
| Triple (Flanged) | 3,602 lbs | 3,965 lbs | 4,173 lbs | 4,263 lbs |
T-81 Manual Type — Dimensions & Weights
| Parameter | 7-1/16″ x 3K | 7-1/16″ x 5K | 9″ x 3K |
|---|---|---|---|
| Overall Height — Studded (Less Studs) | |||
| Single | 12.75″ | 12.75″ | 13.00″ |
| Double | 21.25″ | 21.25″ | 21.25″ |
| Triple | 29.75″ | 29.75″ | 29.75″ |
| Weights — Manual Type | |||
| Single (Studded) | 1,551 lbs | 1,605 lbs | 1,824 lbs |
| Single (Flanged) | 1,664 lbs | 1,718 lbs | 1,991 lbs |
| Double (Studded) | 2,574 lbs | 2,540 lbs | 3,072 lbs |
| Double (Flanged) | 2,687 lbs | 2,653 lbs | 3,239 lbs |
| Triple (Studded) | 3,509 lbs | 3,475 lbs | 4,007 lbs |
| Triple (Flanged) | 3,622 lbs | 3,588 lbs | 4,174 lbs |
Hydraulic Operating Parameters
| Parameter | 7-1/16″ x 3K | 7-1/16″ x 5K | 9″ x 3K | 9″ x 5K |
|---|---|---|---|---|
| Max Operating Pressure (Open/Close) | 1,500 psi | 1,500 psi | 1,500 psi | 1,500 psi |
| Recommended Operating Pressure | 1,500 psi | 1,500 psi | 1,500 psi | 1,500 psi |
| Closing Ratio | 4.2:1 | 4.2:1 | 4.2:1 | 4.2:1 |
| Fluid Volume to Open | 0.56 gal | 0.56 gal | 0.66 gal | 0.66 gal |
| Fluid Volume to Close | 0.59 gal | 0.59 gal | 0.70 gal | 0.70 gal |
Applications
- Well servicing and workover operations on existing wells
- Small bore drilling applications requiring compact BOP stacks
- Wireline and slickline well intervention with ram-type closure
- Production wellhead BOP configurations at 3,000 or 5,000 PSI
- Modular BOP stacks with single, double, or triple cavity configurations
Why Choose CAMTOP?
- API 16A compliant design and manufacturing standards
- ISO 9001 certified quality management system
- Complete range of ram blocks, top seals, and ram packers available
- Custom configurations: single/double/triple, manual/hydraulic, studded/flanged
- Competitive factory-direct pricing with global logistics support
- Technical documentation and after-sales service
Contact CAMTOP
Email: sales@cposl.com
Phone: 86-18621723891
Website: www.camtop-oilfieldtools.com
Address: No. 432, Fute North Road, Pudong District, Shanghai, China
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