Variable ram rubber specifications
BOP Model Variable Ram Rubber (in)
Type Bore (in) Working pressure(psi) 23/8”-3 1/2” 27/8”-5” 31/2”-5” 41/2”-5 1/2” 41/2”-7”
S 7 1/16 5000 √
10000 √
11 5000 √ √
10000 √ √
13 5/8 5000 √ √ √ √
15000 √ √ √
21 1/4 5000 √
U 279(11) 5000 √ √ √
10000 √ √ √
13 5/8 5000 √ √ √ √
10000 √ √ √ √