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<title><![CDATA[EC21 Product Catalogs - drilling grade]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/drilling-grade--2643/1/drilling grade.html]]></link><item>
<title><![CDATA[KG430 Crawler Diesel Engine Driven DTH Rock Drilling Rig]]></title><link><![CDATA[https://jcdrill.en.ec21.com/KG430-Crawler-Diesel-Engine-Driven--11438071_12016736.html]]></link><description><![CDATA[drilling
25m
Rotation speed
0-90r/min
Rotation torque
5000N.m(Max)
Lift power
40000N
Feed way
Oil cylinder+roller chain
Feed distance
3000mm
Walk speed
0-2.5Km/h
Grade ability
30°
Ground clearance
4]]></description><pubDate><![CDATA[20241012]]></pubDate></item>
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<title><![CDATA[Float Collar]]></title><link><![CDATA[https://saigaogroup.en.ec21.com/Float-Collar--11811606_11811607.html]]></link><description><![CDATA[Saigao float collar drilling
is supplied with plunger valve in most of the application. A non metallic Valve encased and held in place with a high pressure cement mixture. This design ensure the valv]]></description><pubDate><![CDATA[20230626]]></pubDate></item>
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<title><![CDATA[API China Hot Sale Quick Latch Double Plug Cement Head for Casing]]></title><link><![CDATA[https://zhongshigroup.en.ec21.com/API-China-Hot-Sale-Quick--11790563_11790590.html]]></link><description><![CDATA[Double plugs cementing head is special tool for pumping slurry and releasing plug.It can couple with two plugs simultaneously,and makes the drilling fluid 
fill into casing in turn and quickly.This c]]></description><pubDate><![CDATA[20230516]]></pubDate></item>
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<title><![CDATA[JKS300B Crawler Mounted Versatile Well Drilling Rig]]></title><link><![CDATA[https://jkdrilling.en.ec21.com/JKS300B-Crawler-Mounted-Versatile-Well--10840176_10840200.html]]></link><description><![CDATA[JKS300B Crawler Mounted Versatile Well Drilling Rig
Crawler Mounted Versatile Well Drilling Rig
Truck Mounted Well Drilling Rig
Its smaller size can be adapted to various construction sites.
Rated Dr]]></description><pubDate><![CDATA[20200725]]></pubDate></item>
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<title><![CDATA[ZYJ-1000/135 FLP Underground Water and Gas Drainage Rotary Drilling Rig]]></title><link><![CDATA[https://5676615.en.ec21.com/ZYJ-1000-135-FLP-Underground--6504291_10524145.html]]></link><description><![CDATA[Drilling rig
Description
Unit
Parameters
Nominal pressure
Mpa
12
Nominal torque
N.m
&amp;ge;400
Nominal rotation speed
rpm
&amp;ge;130
Propelling speed without load
Mm/min
I grade cylinder: 3400
I stage: 340]]></description><pubDate><![CDATA[20170829]]></pubDate></item>
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<title><![CDATA[MAXDRILL  Top Hammer Drifting Drill Rod/ Extension Rod]]></title><link><![CDATA[https://maxdrill02.en.ec21.com/MAXDRILL-Top-Hammer-Drifting--8458610_8459053.html]]></link><description><![CDATA[drilling applications. With the longer steel tending to be a larger in diameter,conventional extension steel is characterized by a duplicate thread on each end of the steel.
Male/Female (M/F) rod, sp]]></description><pubDate><![CDATA[20200630]]></pubDate></item>

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