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All Smith Services stripper elements are manufactured to strict material specifications and a proprietary compound formulation. Every batch of rubber is subject to multiple QA tests and verification prior to molding. The stripper elements are molded under conditions of controlled and documented load weight, temperature, cavity pressure and cure time. Once elements are molded, documentation for the entire batch of stripper elements is reviewed by an independent rubber lab, completing the QA process. Smith Services builds quality and reliability into each stripper element so that "when you are under pressure you are in control.”Stripper elements are passive seals that maintain a constant barrier between the atmosphere and wellbore. The inner diameter of stripper rubbers should always be smaller than the objects (e.g. drill pipe, tool joints) passing through to ensure sealing with zero wellbore pressure. The outer geometry of the passive seal creates higher sealing pressure as wellbore pressure increases. Low-pressure One-piece Combo
- Combination drive bushing and stripper element
- Reduced replacement time and elimination of cap screws
- Available in natural rubber, nitrile, butyl or polyurethane
- Will fit Models 7068, 8068 and DHS 1400 RCDs
High-pressure One-piece Combo
- Combination drive bushing and stripper element
- Reduced replacement time and elimination of cap screws
- Available in natural rubber, nitrile or butyl
- Will fit the RDH® 2500 RCD
Standard Stripper Element
- Secured to drive bushing with cap screws and locking wire
- Available in natural rubber, nitrile, butyl or polyurethane
- Strips tools up to 8 ¾ inch OD
- Available for use on Models 7068, 8068 and DHS 1400 RCDs
Model 7368 One-piece Combo
- Combination drive bushing and stripper element
- Reduced replacement time and elimination of cap screws
- Available in natural rubber, nitrile, butyl or polyurethane
Heavy-duty Stripper Element
- Secured to drive bushing with cap screws and locking wire
- Available in natural rubber, nitrile or high temperature compounds
- Strips tools up to 8 ¾ inch OD
- Available for use on Models 7068, 8068 and DHS 1400 RCDs
Accessories
- Dual element adaptor for HOLD 1500, HOLD 2500 and RDH 2500
- Stabbing mandrels
- Snubbing adaptor
- Logging adaptor
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