Dimensional and Engineering Data on Shaffer Type
DIMENSIONAL AND ENGINEERING DATA ON SHAFFER TYPE LWP HYDRAULIC BLOWOUT PREVENTERS
Refer to Dimensional Drawings – Fig. 49 and Fig. 50
| Size | Max. Service Press. Rating PSI | Vertical Bore | Max. Ram Size | Approx. Weight Lbs. | Height | Width | Length | Center To | Door Open To | Closing Ratio | Opening Ratio | U.S. Gals. Fluid | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Press. | Test PSI | Single | Double | Single Studded Flange | Single Bolted Flange | Double Studded Flange | Double Bolted Flange | Front | Rear | Change Rams | Open Rams | To Close Rams | To Open Rams | |||||||
| 6″ | 3,000 | 6,000 | 7 1/16″ | 5 9/16″ | 906 | 1625 | 14 7/16″ | 19 1/8″ | 21 7/8 | 30½” | 18 7/16 | 52 3/8″ | 8 5/16″ | 10 1/8″ | 22″ | 33½” | 4 to 1 | 2.5 to 1 | .55 | .51 |
| 8″ | 3,000 | 6,000 | 9″ | 7″ | 1245 | 1950 | 10 11/16″ | 20 11/16″ | 23 7/8 | 33 3/4″ | 22 1/16 | 60 1/16″ | 9¾” | 12 5/16″ | 31 5/16″ | 34 1/6″ | 4 to 1 | 1.8 to 1 | .77 | .68 |
DIMENSIONAL AND ENGINEERING DATA ON SHAFFER TYPE LWS HYDRAULIC DOUBLE BLOWOUT PREVENTERS
| Size | Max. Service Pressure Rating PSI | Test PSI | Vertical Bore | Approx. Weight Lbs. | Max. Ram Size | Height | Width | Length | Center To | Door Open To | Closing Ratio | Opening Ratio | U.S. Gals. Fluid | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Studded Flange | Bolted Flange | Front | Rear | Change Rams | Open Rams | To Close Rams | To Close Rams | ||||||||||
| 6″ | 3,000 | 6,000 | 7¼” | 2400 | 5 9/16″ | 26 3/4″ | 36 5/8 | 21 1/2 | 58 | 9 5/16 | 12 1/8 | 21 | 34 | 4.44 to 1 | 1.2 to 1 | 1.01 | .85 |
| 6″ | 5,000 | 10,000 | 7 1/16″ | 2800 | 5 9/16″ | 26 3/4″ | 39 1/2 | 21 1/2 | 58 | 9 5/16 | 12 1/8 | 21 | 34 | 4.44 to 1 | 1.2 to 1 | 1.01 | .85 |
| 6″ | 3,000 | 6,000 | 9 | 3900 | 7″ | 29 1/2″ | 41 5/8 | 25 3/4 | 79 1/2 | 11 1/2 | 14 5/8 | 23 | 46 | 5.56 to 1 | 1.89 to 1 | 2.75 | 2.3 |
| 6″ | 5,000 | 10,000 | 9 | 3900 | 7″ | 29 1/2″ | 45 1/2 | 25 3/4 | 79 1/2 | 11 1/2 | 14 5/8 | 23 | 46 | 5.56 to 1 | 1.89 to 1 | 2.75 | 2.3 |
| 10″ | 3,000 | 6,000 | 11″ | 4400 | 8 5/8″ | 29 1/2″ | 41 1/2 | 26 1/4 | 72 5/8 | 11 7/16 | 14 11/14 | 21 | 42 | 4.44 to 1 | 1.78 to 1 | 1.56 | 1.3 |
| 10″ | 5,000 | 10,000 | 11 | 7000 | 8 5/8 | 33″ | 50 1/2 | 28 3/4 | 89 1/4 | 12 3/4 | 16 | 32 | 46 | 5.5 to 1 | 1.5 to 1 | 3.25 | 2.7 |
| 12″ | 3,000 | 6,000 | 13⅝ | 6300 | 10 3/4 | 34 1/2″ | 47 3/8 | 31 7/8 | 92 3/4 | 13 5/8 | 18 1/4 | 27 | 53 | 5.56 to 1 | 1.89 to 1 | 3.55 | 2.9 |
| 13⅝” | 5,000 | 10,000 | 13⅝” | 9700 | 10 3/8″ | 36″ | 49 5/8 | 33 5/8 | 92 3/4 | 14 3/4 | 18 7/8 | 41 | 54 | 5.5 to 1 | 1.5 to 1 | 3.55 | 2.9 |
| 16″ | 3,000 | 6,000 | 16¾” | 8500 | 13 | 35″ | 51 | 33 | 106 1/2 | 16 1/2 | 20 1/8 | 32 | 50 | 5.6 to 1 | 1.89 to 1 | 3.6 | 3.2 |
