National Oilwell Varco Traveling Blocks From Dreco™, National™, and Ideco™ include the largest sizes in the drilling industry.

Description

• National Oilwell Varco designs and produces the highest quality and field proven traveling blocks from proven brand names, including Ideco, Dreco, and National. 
  
• NOV Traveling Blocks are available in multiple weight sizes and load ratings to fit your drilling operation's requirements. 
  
• Dreco Traveling Blocks include the largest sizes used in the drilling industry. Dreco API sheaves, with hardened grooves, are independently mounted on tapered roller bearings.  Additionally, Dreco traveling blocks can be furnished unitized with a hook to provide a short, compact design.
  
• National Type H traveling blocks are offered with five sheave sizes and five load ratings.  The sheaves are independently mounted on double-row tapered bearings which minimize friction.  Flame-hardened rope grooves in the sheaves are machined in accordance with API recommendations and each sheave is a one-piece steel casting assuring longer sheave life and elimination of rim cracks.
  

Features/Benefits

• Heavy steel fabricated main frame
  
• Heavy wireline guards
  
• Steel sheaves with flame hardened API wireline grooves
  
• Tapered roller bearings in sheaves
  
• Oil quenched and tempered alloy steel pin with individual grease passages to each center pin bearing
  
• High strength steel becket
  
• Designed to API Standard 8A
  

DRECO Traveling Block Series Specifications