... Lifting cylinder trip:3300mm The main technique parameters:Ring the bop ware number:FH18-35t/5000PsiOn, under special appropriation sluice ... 70TStandard of BYJ18-21/35 belt to press operation device, bop system static sealing pressure for 35Mpa/5000Psi, dynamic seals ... wellhead pressure in 5-14Mpa, can use spherical rubber core annular bop sealed clique, promoted tubing, and through setting up3,When ...