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1)screw diesel air compressor, 2)stable working, high efficiency, silient noise, 3)Commins diesel engine, 4) low price - details see: https://www.machineto.com/21m3-min-14bar-mining-mobile-diesel-screw-air-compressor-price-10210354

HG Series moveable diesel screw air compressor FOR MINING

Screw air compressor technology utilizes two moving asymmetrical profile rotors and is universally acknowledged as being an effective, reliable and durable principle. At the heart of every HG series air compressor is a genuine European designed top of the range Airtec air end.

Compare with Piston air compressor, the screw air compressor has many advantages, such as stable working, high efficiency, lower failure rate and noise. It can use for many kinds of pneumatic engineering equipments and tools.

Features

On the election of diesel engine, two type of engine as following is available.

1.Commins diesel engine made in USA, which has advantaged computer test function, J1939 communicate function and the Euro 3 Emission Standard. The whole diesel engine group is controlled by computer completely and is famous in the world.

2.Commins diesel engine made in DongfengChina, which is a line engine, with the improved turbocharger, this engine has lower oil consumption and high efficiency.

The main parts are adopt upgrade version mainframe which introduce optimize type-line, high –quality SKF over loading bearing. So, our main parts have excellence dependability and durability.(By European corporation headquarters)

HG750-14
compressor	output capacity	m³/h	21
	pressure	bar	14
	drive way	diesel through direct-connection coupling
	volume of lubrication	L	137
	NO. of compression stage		1
engine	manufacture	Cummins
	cooling way	water-cooling with four cycle
	quantity of air cylinder	6
	cylinder diameter	mm	114
	stroke	mm	145
	rated output power	kw	239
	rated rev.	r/min	2200
	no load rev.	r/min	1200
	volume of lubrication	L	24
	volume of cooling water	L	55
	accumulator	6-QW-165*2
group	volume of air reservoir	L	196
	volume of fuel	L	380
	length(pull-road close/open)	mm	4300/5780
	width	mm	2100
	height	mm	2700
	weight	kg	4800
	exhause vovle	1*2" 1*1"