Annular

We offer hydril GK BOP and Shaffer annular BOP equivalent, fully interchangeable as well as 100 % interchangeable spare parts for the following sizes

HYDRIL BOPs EQUIVALENTS

Type GK
7-1/16 x 3M
7-1/16 x 5M
9 x 3M
9 x 5M
11 x 3M
11 x 5M
13-5/8 x 3M
13-5/8 x 5M

7-1/16 X 3M
7-1/16 X 5M
9 X 3M

All the products are manufactured according to the relevant API guidelines.