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DN Inner Cylinder Hydraulic Prop Pipe for Coal Mining Supporting

US$ 30 - 140 MOQ: 10 Pieces

Key Specifications

Place of Origin:

Shandong, China

Material:

Carbon Steel

Processing Type:

Forging

Jining Bafang Mining Machinery Co., Ltd.

Payment & Shipping

Payment Methods:

Port of Shipment:

qingdao

Delivery Detail:

Delivery time depends on order quantity.

Place of Origin Shandong, China

Material Carbon Steel

Processing Type Forging

Use Coal Mining

Easy operation DN handle type inner injecting single hydraulic prop

Description

Inner injection hydraulic prop is suitable for the coal seam dip angle is less than 25-

35 degrees of coal seam working face .

Applicance

Single Hydraulic prop is a kind of new environmental protection supporting equipment ,

it can be matched with metal articulated roof beam used in high-grade conventional and

blasting face supporting roof and the fully mechanized working face support end ,also can do

some column or other temporary support .

Feature

Inside pure type hydraulic prop with pump and oil , when supporting roll the handle crane

then the Column quickly up,down the column without discharge working liquid ,can better

protect working environment ,simple and easy to use,flexible management, .there are mainly

90mm diameter cylinder ,from 0.6-3.15m , a total of 12 specification.

Parameter

Model	Max. Height mm	Mini. Height mm	Working stroke mm	Working resistance KN	Working hydraulic pressure Mpa	Oil cylinder Dia. mm	Base area mm2	Weight KG
DN31-160/90	3150	2450	700	160	25	90	120	78
DN28-200/90	2800	2100	700	200	31	90	120	74
DN25-250/90	2500	1800	700	245	39	90	120	68
DN22-300/90	2240	1540	700	294	46.3	90	120	60
DN20-300/90	2000	1360	640	294	46.3	90	120	55
DN18-250/80	1800	1250	550	245	49	80	120	45
DN16-250/80	1600	1100	500	245	49	80	120	41
DN14-250/80	1400	1000	400	245	49	80	120	38
DN12-250/80	1200	870	330	245	49	80	120	34
DN10-250/80	1000	720	280	245	49	80	120	29
DN08-250/80	800	590	210	245	49	80	120	26
DN06-250/80	600	510	140	245	49