Super Duplex 25 Chrome (25CRW & 25CRS) offers high strength and superior corrosion resistance in sweet (CO₂) and moderately sour (H₂S) environments with high chlorides, up to 450°F. With a PREN ≥ 40, it provides enhanced protection against localized corrosion and H₂S, making it ideal for tubing and liners in saltwater and water injection wells. Qualified under MR0175/ISO15156 for H₂S partial pressures ≤ 3.0 psi. VAM TOP® HT is a derivative connection of VAM TOP®. VAM TOP® HT (High Torque) is a Threaded and Coupled (T&C) premium connection which has been designed with the main features of the VAM TOP® product line. VAM TOP® and VAM TOP® HT are interchangeable (except for 4 1/2″ sizes). VAM TOP® HT product lines benefit from the most reliable performances, demonstrated through a large number of qualification tests such as ISO13679 CAL-IV with up to 80% PBYS compression rating.
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