TEE AS (Kvina Offshore Service AS) are specialists in the manufacturing of Drain Lock™ expansion plugs.

The plugs are used in connection with maintenance work and also tightening of deck drains and pipes.

We have developed the expansion plug Drain Lock™, which has proven to be both reliable and durable for several years.

We supply Drain Lock™, pipe stopper, sea chest plugs and inflatable both in Norway and worldwide.