Seria RJ Drilling Oilfield Servicing Blocks Crosby®


RJ Style Drilling Blocks
• Capacities Available: 150, 250 & 350 Tons; (146, 227 & 318 metric tons)
• Double row, pre-adjusted tapered bearings with seals.
• Blocks contain McKissick® Roll-Forged® sheaves with flame hardened grooves
• Grooves are API profile
• Separate lubrication channel to each sheave.
• Easy opening guards for quick string-up (no bolts to pull out and lose).
• Each hook block is fitted with position lock and swivel lock assemblies.
• Additional weights available upon request.
• Manufactured to the requirements of API 8C, including all documentation.
• Each block is individually serialized for full traceability.
• Furnished with Certificate of Conformance.
• Hook is spring loaded with hydraulic snubber.
• Minimum design temperature of -20 degree C (-4 degree F).
• Standard top coat finish is safety orange enamel.
• Other paint colors and systems are available on request.
• Individual parts are primer coated on exposed surfaces.
• Combination hook blocks have interchangeable parts with BJ type McKissick® blocks built up to 1982.
• Contact Crosby Customer Service for details.
• All sizes are RFID EQUIPPED.



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