API High-Quality Roller Kelly Bushing for Rotary Table

• After-sales Service: Yes
• Warranty: 1 Year
• Manufacturing Process: Casting
• Surface Treatment: Galvanized
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Model NO.: 27-HDP
• Transport Package: Wooden Case
• Specification: HDS, 27-HDP, 20-HDP, MDS, 20-MDP, 17-MDP, LDS
• Trademark: ZX
• Origin: China

Product Description

Product Description

      Roller kelly bushing is a necessary tool for drilling, by matching with rotary
square to drive kelly pipe. Through the rotation of four rolls, the friction between
rolls and kelly pipes is reduced to extend service life. Change different rollers to
match with different squares and hexagonal kelly pipes and connect with
different rotary tables. Two transmission styles (square and pinconnect) are
available. The product is designed and manufactured according to API Spec
7K "Specification for Drill Equipment".

Applicable Industries: Energy & Mining
Use::Well Drilling
Place of Origin: Shandong, China
Brand Name: Zhao Xin
Material: Alloy
Type:HDS,27-HDP,20-HDP,MDS,20-MDP,    17-MDP,LDS

Product Parameters

Model		HDS	27-HDP	20-HDP	MDS	20-MDP	17-MDP	LDS
Type		HEAVY			MEDIUM			LIGHT
Max.torque	N.m	32365			22555			13729
	ft.lbf	23871			16636			10126
Drive Mode		Square	Pin		Square	Pin		Square
Square	mm	76.2~152.4			63.5~133.35			63.5~133.35
	in	3~6			2^1/2~5^1/4			2^1/2~5^1/4
Hex	mm	76.2~152.4			76.2~107.95			76.2~107.95
	in	3~6			3~4^1/4			3~4^1/4
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
Weight	Kg	700	730	670	420	460	340	400
	lb	1540	1610	1470	924	1012	750	808

Packaging & Shipping