Hydraulic Ram Wireline BOP Size: 2 1/2"- 6 3/8" Pressure: 3000-15000PSI Ends: Flange,Thread, Union 4130/4135 Forging Double Ram BOP Blowout Preventers are designed to give positive protection against blowouts when operating with wire line in well services work, by providing a positive seal around wire line. This BOP's are available basically in two types: Hydraulically Operated and Manually Operated, with configurations as desired. An equalizer valve allows the operator to equalize the pressure with lubricator pressure. Blowout Preventers are available in sizes ranging from 2-1/2" ID through 6-3/8" ID and 3000 PSI through 15,000 PSI working pressure. Contact factory for details on pump, fittings, hoses and other accessories.