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China MTPM Heavy-Duty Forged Steel Sheaves - Reliable Suppliers, 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 | Bureau Veritas (BV), CCS, ABS, SJS etc. |
Product Features
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Each MTPM sheave is produced to sustain the mechanical stress of continuous drilling operations.
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The forged steel sheave body minimizes material fatigue while ensuring uniform strength distribution across the equipment.
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The optimized groove geometry provides steady rope guidance, reducing friction and extending wireline service life.
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Precision machined sheave holes allow smooth rotation under heavy load, while the sealed bearing housing effectively prevents contamination from mud and dust.
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The surface coating system delivers durable corrosion protection, retaining its structural integrity and color stability even after prolonged field exposure.
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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 us for more details about the Sheave used for HONGHUA, RG, RONGSHENG, EMSCO, LSNOV.
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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
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What is the standard compliance for this heavy duty sheave?
The heavy duty sheave is produced in full compliance with API 8C standards. Third-party witness and inspection reports are available from recognized bodies including Bureau Veritas (BV), CCS, ABS, and SJS.
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What rig horsepower range is this sheave compatible with?
Our heavy duty sheaves are designed to be adaptable across a wide range of rig models, from 1000 HP to 3000 HP, making them suitable for both mid-range and large-scale drilling operations.
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Which drilling equipment brands is this sheave compatible with?
The sheave is fully compatible with major OEM equipment from BOMCO, LS NOV, Honghua, RG, RONGSHENG, EMSCO, and other well-known drilling equipment brands, ensuring high interchangeability with existing rig systems.
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What is the expected service life of the sheave?
Under normal drilling conditions, the sheave is rated for a service life of 8 to 10 years. Periodic bearing and groove maintenance is recommended to achieve and maintain optimal performance throughout its lifespan.
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What material is used in the sheave, and why is it important?
The sheave body is manufactured from 42CrMo forged steel, a high-strength alloy steel known for excellent fatigue resistance and toughness. This material ensures uniform strength distribution and long-term structural reliability under continuous heavy-load drilling conditions.
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How does the bearing design protect against contamination in harsh drilling environments?
The sheave uses a tapered roller bearing with double-sealed protection. The sealed bearing housing is specifically engineered to prevent contamination from drilling mud, dust, and other abrasive particles commonly present in oilfield environments, ensuring reliable and smooth rotation under heavy load.