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27-HDP Kelly Roller Bushing

Модель продукта:

047

Product summary：

This bushing is an essential tool for oil drilling. It is matched with the turntable square shoe to drive the square drill rod. The product reduces the friction with the square drill rod through the rotation of four rollers and prolongs its life. For square and hexagonal square drill rods of different specifications, it can be matched with it by replacing the rollers and connected with various turntables. There are two forms of four-way rotation and pin rotation.

Category:

Kelly Bushings Series

keywords:

Силовые зажимы для бурильной трубы | Силовые зажимы двойного назначения

Product message

Product Details

This core is an essential tool for oil drilling. It matches the square tile of the rotary table and drives the square drill rod. The product reduces the friction with the square drill rod through the rotation of four rollers and prolongs its life. For square and hexagonal square drill rods of different specifications, they can be matched with them by replacing rollers and connected with various rotary tables. There are two forms of four-way rotation and pin rotation. Designed and manufactured according to API Spec 7K "Drilling Equipment Specification".

Technical specifications for kelly roller core filling

Model HDS 27-HDP 20-HDP MDS 20-MDP 17-MDP LDS
Type Heavy duty Medium Lightweight
Maximum torque N.m 32365 22555 13729
ft.lbf 23871 16636 10126
Drive mode Sifang Pin Sifang pin Sifang
Square drill pipe mm 76.2～152.4 63.5～133.35 63.5～133.35
in 3～6 21/2～51/4 21/2～51/4
Six square drill pipe mm 76.2～152.4 76.2～107.95 76.2～107.95
in 3～6 3～41/4 3～41/4
Appearance size mm 630×630×740 630×630×780 493×493×696 510×510×720 458×458×700 508×508×700
in 24.8×24.8×29.1 24.8×24.8×30.7 19.4×19.4×27.4 20×20×28.3 18×18×27.5 20×20×27.5
Quality Kg 700 730 670 420 460 340 400
lb 1540 1610 1470 924 1012 750 808

 

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