2002 Replacement Parts Catalog - cedip

Hang-Off WeightsHang-off weights are estimated capacities with hardened top corners of the hang-off rams. This enablesthe rams to dig into the tool joint and provide superior hang-off capacity while still meetingNACE requirements.For variable bore rams (VBR’s) and FLEXPACKER rams hang-off data, refer to Cameron EngineeringBulletin 859D.Hang-Off Weights(See Cameron Engineering Bulletin 636)Pipe SizePipe Rams3-1/2” 425,000 lb4-1/2” 550,000 lb5” 600,000 lb5-1/2” 600,000 lb6-5/8” 600,000 lbU BOP Shearing Blind RamsCameron shearing blind rams shear the pipe in the hole, then bend the lower section of sheared pipeto allow the rams to close and seal. Shearing blind rams can be used as blind rams during normaldrilling operations.The DS shearing blind ram can cut large diameter tubulars or multiple tubing strings regardless oftheir orientation to the centerline of the ram. A blade seal between the upper and lower faces eliminatesthe need for moving pipe after shearing.Features of shearing blind rams and DS rams include:• Large frontal area on the blade face seal reduces pressure on the rubber and increases servicelife.• Cameron SBRs can cut pipe numerous times without damage to the cutting edge.• The single-piece body incorporates an integrated cutting edge.• CAMRAM TM top seals are standard for all U BOP shearing blind rams through 18-3/4”.• For U and UII BOPs through 18-3/4”, part numbers beginning with 644XXX indicate theCAMRAM lipped-plate design. Other part numbers may use standard elastomer material andreinforced plates. Verify this with your Cameron representative.• H 2 S SBRs are available for critical service applications and include a blade material ofhardened high alloy suitable for H 2 S service.TC1001 47 © 2002 Cooper Cameron, Cameron Division