30173156

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$244.03

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Located in:Xi'an City China

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Model: NOV 30173156 Piston Ring
Material: High strength alloy steel, wear-resistant surface treatment
Fit equipment: NOV Varco TDS-9SA / TDS-11SA top drive rotating link adapter assembly
Function: Dynamic pressure sealing for shot pin actuation piston
Working medium: Anti-wear hydraulic oil
Operating environment: Heavy vibration, onshore & offshore drilling service
Feature: OEM dedicated sealing ring for rotating head shot pin piston
Maintenance: Replace during rotating link overhaul, cannot reuse worn ring