BL ‘MSP’ type Annular Blowout
preventer / Diverter has been developed to fit for low pressure drilling
service with simple and reliable structure design. Piston and Packing Units are
the only two moving parts which can reduce the wearing area thus can shorten
the maintenance and downtime. Two sizes of ‘MSP’ type Annular BOPs are available in BL - 21 1/
