GBOP ANNULAR BOP

Fabritech manufactures Annular Blowout Preventers (BOP) for the oil and gas industry. Our GBOP Annular Blowout Preventer is a revamped version of the field proven Shaffer Spherical BOP, and has been tested rigorously to prove its reliability. The GBOP  is ideal for use in most drilling applications. The key features of the GBOP Annular BOP include:

  • Easy to service in the field
  • Rugged design, with fatigue testing lasting a total of 60 cycles.*exceeds API 16A 4th Ed. PR2 min. requirement.
  • 100% interchangeable with Shaffer Spherical BOP’s
  • Elastomers are readily available
  • Flanged or Hubbed Bottom Connections
  • Available with Natural or Nitrile Packing elements
  • Bore Size: 7-1/16″, 11″, 13-5/8″, 16-3/4″, 20-3/4″, 21-1/4″
  • Pressure Ratings: 2,000 PSI, 3,000 PSI, 5,000 PSI
  • Performance Rating 1 
  • Only 4 metallic components
  • NACE MR-0175 Compliant
  • Monogrammable to API 16A
Download Operations Manual

Shaffer Spherical BOP (SBOP) / FMS GBOP Annular BOP Bolted Lid Technical Data

SIZE & PRESSURE WEIGHT HEIGHT OD GALLONS TO OPEN GALLONS TO CLOSE
7-1/16″ 3000  2,950 LBS. 29-1/8″ 29″
7-1/16″ 5000 3,300 LBS. 30-7/8″ 29″
7-1/16″ 10000   10,600 LBS. 42-1/4″ 43″
11″ 3000 6,200 LBS. 32-7/8″ 39-7/8″
11″ 5000   9,400 LBS. 41-1/2″ 44-3/4″
13-5/8″ 3000    9,425 LBS. 40-11/16″ 46-3/8″
13-5/8″ 5000 13,650 LBS. 44-15/16″ 50″
20-3/4″ 3000  14,600 LBS. 48-7/16″ 54-1/8″
21-1/4″ 2000   10,850 LBS. 46-1/8″ 49″

Shaffer Spherical BOP (SBOP) Wedge Lid Technical Data

SIZE & PRESSURE WEIGHT HEIGHT OD GALLONS TO OPEN GALLONS TO CLOSE
7-1/16″ 3000  2,950 LBS. 29-1/8″ 29″
7-1/16″ 5000 3,300 LBS. 30-7/8″ 29″
7-1/16″ 10000   10,600 LBS. 42-1/4″ 43″
11″ 3000 6,200 LBS. 32-7/8″ 39-7/8″
11″ 5000   9,400 LBS. 41-1/2″ 44-3/4″
13-5/8″ 3000    9,425 LBS. 40-11/16″ 46-3/8″
13-5/8″ 5000 13,650 LBS. 44-15/16″ 50″
20-3/4″ 3000  14,600 LBS. 48-7/16″ 54-1/8″
21-1/4″ 2000   10,850 LBS. 46-1/8″ 49″
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