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China MTPM Heavy-Duty Forged Steel Sheaves - Reliable Suppliers and Factory for Drilling Rig Applications
Product Specifications
| Product Name | Heavy Duty Sheave |
| Application | Used in Crown Block, Traveling Blocks and Hook Blocks, Mast and Derrick |
| Sheave OD | 1524 mm (60 inches) |
| Groove Diameter | 32 mm |
| Maximum Rope Diameter | 26 mm |
| Bearing Type | Tapered roller bearing with double-sealed protection |
| This flexibility allows our products to be adapted to rig models from 1000 HP to 3000 HP. | |
| Material | 42CrMo Forged Steel |
| Temperature Rating | -40°C to 120°C |
| Service Life | 8–10 years under normal drilling conditions, with periodic bearing and groove maintenance as required. |
| Standard | Produced under API 8C |
| Third-Party Inspection Available | Bureau Veritas (BV), CCS, ABS, SJS, etc. |
Product Features
- Each MTPM sheave is produced to sustain the mechanical stress of continuous drilling operations.
- The forged steel sheave body minimizes material fatigue while ensuring uniform strength distribution across the equipment.
- The optimized groove geometry provides steady rope guidance, reducing friction and extending wireline service life.
- Precision machined sheave holes allow smooth rotation under heavy load, while the sealed bearing housing effectively prevents contamination from mud and dust.
- The surface coating system delivers durable corrosion protection, retaining its structural integrity and color stability even after prolonged field exposure.
As a source manufacturer, we supply sheaves fully compatible with major OEM equipment from BOMCO, LS NOV, Honghua, RG and other well-known drilling equipment brands. Customers can expect high interchangeability, strict compliance with API 8C requirements, and production traceability from raw material to final inspection.
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Contact for more details about the Sheave which is used for HONGHUA, RG, RONGSHENG, EMSCO, LSNOV.
All product names, trademarks, and part numbers are used for identification purposes only and are the property of their respective owners. We are an authorized and recognized supplier. If you are looking for specific mud pump safety valve part numbers, please contact our sales team for detailed references or technical support.
Frequently Asked Questions (FAQ)
Q
What is the standard size of your heavy duty sheave and what drilling rigs is it compatible with?
Our heavy duty sheave has an outer diameter of 1524 mm (60 inches) with a groove diameter of 32 mm, supporting a maximum rope diameter of 26 mm. It is designed to be compatible with drilling rigs ranging from 1000 HP to 3000 HP, including major OEM brands such as BOMCO, LS NOV, Honghua, RG, RONGSHENG, and EMSCO.
Q
What material is used in the manufacturing of the sheave, and why is it preferred?
The sheave is manufactured from 42CrMo forged steel, a high-strength alloy known for excellent toughness, fatigue resistance, and load-bearing capacity. This material ensures uniform strength distribution and minimizes material fatigue during continuous heavy-duty drilling operations.
Q
Does the sheave comply with API 8C standards, and is third-party inspection available?
Yes, all our sheaves are produced in strict compliance with API 8C standards. Third-party witness and inspection reports are available from internationally recognized certification bodies including Bureau Veritas (BV), CCS, ABS, and SJS, ensuring full traceability and quality assurance.
Q
What is the expected service life of the sheave, and what maintenance is required?
Under normal drilling conditions, the sheave is designed for a service life of 8 to 10 years. Periodic bearing inspection and groove maintenance are recommended to ensure optimal performance and longevity throughout its operational lifespan.
Q
What bearing type is used, and how is it protected against harsh drilling environments?
The sheave uses tapered roller bearings with double-sealed protection. The sealed bearing housing is engineered to effectively prevent contamination from drilling mud, dust, and other harsh environmental factors commonly encountered in oilfield operations.
Q
Can your sheaves be used as direct replacements for OEM parts from brands like Honghua or NOV?
Yes. As a source manufacturer, we produce sheaves with high interchangeability, fully compatible with major OEM equipment from BOMCO, LS NOV, Honghua, RG, RONGSHENG, EMSCO, and other well-known drilling equipment brands. Each product is traceable from raw material sourcing to final inspection. Please contact our sales team for specific part number references or technical consultation.