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XI'AN TIPTOP MACHINERY CO.,LTD
ICP Remarked Supplier
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Crown Blocks

Crown Blocks

Country/Region china
Company XI'AN TIPTOP MACHINERY CO.,LTD
Categories Hot Rolled Wire Rod
Update 2019-08-10 04:57:42
ICP License Issued by the Chinese Ministry
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PRODUCT OVERVIEW

Crown Blocks

The crown blocks complies with API Spec 4F, and conforms to the SY/T5527 standard. The crown block consists of crown basement, fast-line sheave, dead-line sheave, main sheave, sand-line sheave, drilling line protector and sheaves for hydraulic and air winch, bumper wood for the Crown-O-Matic and guardrail. It’s designed with closed type and open type. The traveling system is divided into 7×6, 6×5, 5×4, and 4×3, which fit to 7/8”~1 1/2” drilling lines. The sheave groove conforms to the requirements of API RP 9B. The sheave groove surface is processed with a quenching treatment. The bearing adopts centralized lubrication for convenient operation.


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