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Heavy-Duty MTPM Forged Steel Sheave for Drilling Rig - China Suppliers & Factory for Crown and Traveling Blocks
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 (FAQ)
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What drilling rig models are compatible with this heavy duty sheave?
Our heavy duty sheaves are designed with high interchangeability and are compatible with rig models ranging from 1000 HP to 3000 HP. They are fully compatible with major OEM equipment brands including BOMCO, LS NOV, Honghua, RG, Rongsheng, and EMSCO.
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What material is used to manufacture the sheave, and why is it important?
The sheave is manufactured from 42CrMo forged steel, a high-strength alloy known for excellent toughness and fatigue resistance. This material ensures uniform strength distribution and minimizes material fatigue during continuous drilling operations.
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What is the expected service life of the sheave under normal conditions?
Under normal drilling conditions, the sheave is designed for a service life of 8 to 10 years. Periodic bearing and groove maintenance is recommended to achieve and maintain this service life.
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Does the sheave comply with API 8C standards, and is third-party inspection available?
Yes, the sheave is produced in full compliance with API 8C standards. Third-party witness and inspection reports are available from recognized certification bodies including Bureau Veritas (BV), CCS, ABS, and SJS.
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How does the sealed bearing housing protect the sheave in harsh field environments?
The sheave features a tapered roller bearing with double-sealed protection, along with a sealed bearing housing that effectively prevents contamination from drilling mud and dust. This design ensures smooth rotation under heavy loads even in demanding field conditions.
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What temperature range can the sheave operate in, and what surface protection does it have?
The sheave is rated for operation in temperatures ranging from -40°C to 120°C, making it suitable for both arctic and high-temperature environments. The surface coating system provides durable corrosion protection, maintaining structural integrity and color stability even after prolonged field exposure.