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China MT-YC Series Traveling Block API 8C Compliant Hoisting Equipment Manufacturer, Factory
China MT-YC Series Traveling Block API 8C Compliant Hoisting Equipment Manufacturer, Factory
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China MT-YC Series Traveling Block API 8C Compliant Hoisting Equipment Manufacturer, Factory
China MT-YC Series Traveling Block API 8C Compliant Hoisting Equipment Manufacturer, Factory

China MT-YC Series Traveling Block API 8C Compliant Hoisting Equipment Manufacturer, Factory

The MT-YC series traveling block, produced by MTPM, plays a central role in the hoisting system of drilling rigs. Suspended beneath the crown block, it forms the moving sheave assembly through which the drilling line is reeved, allowing heavy hook loads to be lifted and lowered with stability. Its performance directly affects the efficiency of tripping operations, the safety of tubular handling, and the overall reliability of the drilling process. Designed for oil and gas drilling rig conditions, the MT-YC traveling block offers contractors a dependable lifting solution that integrates strength with operational precision, whether onshore or offshore.

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Product Description

1

Product Specifications

Model MTYG90 MTYG135 MTYG170 MTYC170 MTYC225 MTYC315 MTYC450
Max.hook load (kN) 900 1350 1700 1700 2250 3150 4500
Diameter of wire line (mm) 26 29 29 29 32 35 38
Number of sheaves 3 4 5 5 5 6 6
Overall dimension (mm) Length 2005 3294 3400 2030 2294 2690 3110
Width 616 960 960 1060 1190 1350 1600
Height 498 610 715 620 630 800 840
Weight (KGS) 1250 4350 4590 2410 3788 5500 8300

Inspection: Third party witness and inspection reports available from Bureau Veritas (BV), CCS, ABS, SJS, etc.

2

Compliance and Reliability

This series travelling block is manufactured in accordance with API Spec 8C (Drilling and Production Hoisting Equipment), the internationally recognized benchmark for traveling blocks, hooks, and related devices. It also conforms to the Chinese industry standard SY/T 5527, ensuring compliance with global and domestic requirements.
To increase resistance to wear, the sheave grooves undergo quenching and surface hardening, enabling them to endure prolonged exposure to heavy drilling line contact without premature damage. Every unit is subject to rigorous inspection and load testing to ensure consistent performance.
3

Product Features

  • Built with high strength sheaves and heavy duty bearings for smooth operation under dynamic loads.
  • Interchangeability of sheaves and bearings with crown blocks (when designed for the same hook load) simplifies maintenance.
  • Durable structural design lowers operating costs and improves efficiency for drilling contractors.
  • Engineered alignment and load distribution ensures stable operation during extended drilling campaigns.
  • Field-proven choice for modern drilling applications meeting global standards.
4

Product Details

Traveling Block YC225
Traveling Block YC675
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Frequently Asked Questions

What standards do these traveling blocks comply with?
Our traveling blocks are manufactured in strict accordance with API Spec 8C and Chinese industry standard SY/T 5527.
Can I request a third-party inspection?
Yes, third-party witness and inspection reports are available from recognized bodies such as Bureau Veritas (BV), CCS, ABS, and SJS.
Are the sheaves and bearings interchangeable?
Yes, the sheaves and bearings of the traveling block are designed to be interchangeable with those of the crown block for the same hook load.
How is the wear resistance of the sheaves ensured?
The sheave grooves undergo a quenching and surface hardening process to increase durability and resistance to heavy drilling line contact.
What is the maximum hook load capacity available?
This series offers a wide range of capacities, from 900 kN (MTYG90) up to 4500 kN (MTYC450).
What type of bearings are used in the MT-YC series?
The blocks are equipped with heavy-duty bearings designed to provide smooth operation and handle dynamic loads effectively.

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