coal mine individual props

underground individual jacks - details see: https://www.machineto.com/coal-mine-individual-props-10319052

Place of Origin:Henan China (Mainland)	Brand Name:lzzj	Model Number:according to the geological condition	Condition:New
After-sales Service Provided:Engineers available to service machinery overseas

INDIVIDUAL HYDRAULIC PROPS SERIES SPECIFICATIONS
Item	Unit	DW35	DW31	DW28	DW25	DW22	DW20	DW18	DW16	DW14	DW12	DW10	DW08	DW06
Max-height	mm	3500	3150	2800	2500	2240	2000	1800	1600	1400	1200	1000	800	630
Min-height	mm	2700	2350	2000	1700	1440	1240	1110	1005	900	792	685	578	485
Stroke	mm	800	800	800	800	800	760	690	595	500	408	315	222	145
Weight(no oil)	kg	82.8	76.4	70	58	55	49	47	43.6	39.9	36.3	32	26.7	26.5
Valve to canopy distance	mm				527	267	132
Working load	KN				250	300
Working hydraulic	Mpa	19.1	25.5	31.8	31.8	28.2
Initial anchorage force	KN					118-157
Pump pressure	Mpa					15 or 20
Prop rise speed	mm/s					≥60
Prop down speed	mm/s					≥40
Cylinder diameter	mm					Φ100
Base area	cm²	113	113	113		109
Working medium						contain M10 emulsifiers 1-2% emulsion