Type 81 Ram Type BOP
Hydraulic & Manual Dimensions & Specification Data
| DIMENSIONS | |||||
|---|---|---|---|---|---|
| Description | Style | 7-1/16 x 3M | 7-1/16 x 5M | 9 x 3M | 9 x 5M |
| Overall Height Studded (Less Studs) | Single | 13" | 13-1/4" | 13-1/4" | 13-1/4" |
| Double | 20-1/2" | 20-1/2" | 22-1/2" | 22-1/2" | |
| Triple | 30" | 31" | 31" | 31" | |
| Overall Height Flanged | Single | 21-3/8" | 26-1/2" | 23-3/4" | 23-3/4" |
| Double | 30-3/8" | 36-3/4" | 33" | 33" | |
| Triple | 38-3/8" | 45-1/4" | 41-1/2" | 41-1/2" | |
| Overall Length | 63" | 65" | 70" | 70" | |
| Overall Width | 22" | 25" | 25" | 25" | |
| Through Bore | 7-1/16" | 7-1/16" | 9" | 9" | |
| Working Pressure (lbs) | 3,000 | 5,000 | 3,000 | 5,000 | |
| Test Pressure (lbs) | 6,000 | 10,000 | 6,000 | 10,000 | |
| BOP CAPACITIES | ||||
|---|---|---|---|---|
| Description | 7-1/16 x 3M | 7-1/16 x 5M | 9 x 3M | 9 x 5M |
| Maximum Operating Pressure/PSI (to open & close) |
1,500 | 1,500 | 1,500 | 1,500 |
| Recommended Operating Pressure/PSI (to open & close) |
1,500 | 1,500 | 1,500 | 1,500 |
| Ratio to Close | 4.1:1 | 4.5:1 | 4.5:1 | 4.5:1 |
| Volume of Fluid to Open (U.S. Gallons) |
.55 | .60 | .62 | .62 |
| Volume of Fluid to Close (U.S. Gallons) |
.68 | .73 | .75 | .75 |
| Piston Stroke (inches) (to open & close) |
4-1/8" | 4-1/4" | 5-1/8" | 5-1/8" |
| WEIGHTS | |||||
|---|---|---|---|---|---|
| Description | 7-1/16 x 3M | 7-1/16 x 5M | 9 x 3M | 9 x 5M | |
| Single | Studded | 1,250 | 1,600 | 1,550 | 1,650 |
| Flanged | 1,520 | 1,800 | 1,810 | 1,910 | |
| Double | Studded | 2,100 | 2,800 | 2,750 | 2,850 |
| Flanged | 2,370 | 3,000 | 3,010 | 3,110 | |
| Triple | Studded | 2,750 | 3,600 | 3,550 | 3,660 |
| Flanged | 3,145 | 3,800 | 3,810 | 3,910 | |