Parker PGI's Lockscrews compress the packoff seals to prevent casing movement caused by thermal expansion during wellhead production.
Parker PGI’s Lockscrews feature a tapered-nose design which actuates the packoff seals when tightened. Specifically designed for wellhead and tree applications, these lockscrews are machined high quality stems that allow for enhanced sealing and reduced operational torque. Standard Lockscrews are produced from AISI 4140 material and heat treated to meet the requirements of ASTM A193 Grade B-7. Plating is Zinc. Additional materials available upon request.
Markets:
• Chemical
• Petrochemical
• Oil and Gas
Features/Benefits:
• AISI 4140 material
• Heat treated
• Precision Machined
Applications:
• Wellhead Equipment
• Offshore Christmas Trees
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