Product

Ram Blowout Preventers (API-16A)

We supply LWP, LWS, SL/SLX, LXT style, and type U style ram blowout preventers; their sizes, models and technical specifications are in the following tables. Our blowout preventers are manufactured in accordance with API Specification 16A, Third Edition and NACE MR0175 per API Specification 16A, Temperature T20. They meet the applicable API and NACE requirements for H2S service.

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Annular BOP Sizes and Models

Working Pressure, psi Bore Size (inches)
7-1/16 9 11 13-5/8 16-3/4 18-3/4 20-3/4 21-1/4 26-3/4
15,000
10,000
5,000
3,000
2,000


LWP, LWS, SL/SLX Style Ram BOP Specifications*

Bore (inches) 7-1/16 9 11 13-5/8 20-3/4 21-1/4
Working Pressure (psi) 5,000 - 10,000 3,000 - 5,000 3,000 - 5,000 - 10,000 3,000 - 5,000 - 10,000 3,000 2,000
Length (inches) 58-1/4 - 79 60 - 79-1/8 72-5/8 - 89-1/4 - 122-3/4 130-1/4 - 130-1/4 - 128-3/4 127-1/2 127-1/2
Width (inches) 21-1/2 - 30 21-1/2 - 23-1/16 25-15/16 - 28-3/4 - 38-9/16 40-3/4 - 40-3/4 - 43-1/16 41-1/4 40-7/8
Height (inches), Single,
Stud x Stud
15 - 22-7/8 11-1/8 - 14-1/2 14-1/2 - 19-1/2 - 23-1/2 17-1/4 - 17-1/4 - 28 23-1/8 23-1/8
Height (inches), Double,
Stud x Stud
26-3/4 - 36-5/8 22 - 29-1/2 29-3/8 - 33 - 40-7/8 34 - 34 - 46 49-1/4 44-7/16
Weight (lbs),
Single, Stud x Stud
1,385 - 5,550 1,170 - 2,870 2,116 - 4,150 - 11,100 8,400 - 8,800 - 13,200 7,448 7,285
Weight (lbs),
Double, Stud x Stud
2,504 - 9,900 2,200 - 5,750 4,096 - 7,725 - 20,560 15,350 - 15,620 - 23,400 14,615 14,455
Gallons to Open 1.18 - 2.34 0.68 - 2.27 1.45 - 2.62 - 7.0 4.46 - 4.46 - 10.52 4.46 4.46
Gallons to Close 1.45 - 2.72 0.77- 2.58 1.74 - 2.98 - 9.45 5.44 - 5.44 - 10.58 5.07 5.07
Closing Ratio 5.45:1 - 7.11:1 4.5:1 - 5.57:1 5.45:1 - 5.57:1 - 7.11:1 5.54 -:1 5.54:1 - 7.11:1 5.57:1 5.57:1

*This is only a partial listing of our ram blowout preventers. Data in this table are for reference only.