DW series Hydraulic prop

The series of DW outer-injected single hydraulic prop can be used fro supporting the roof of mining coal face independently.

  The series of DW outer-injected single hydraulic prop can be used fro supporting the roof of mining coal face independently or associated with slide bar or link bar. It is suitable for gently inclined seamw ith a gradient less than25 degree. If safety measures are taken, it is also for coal face with gradient up to 25-35degree. Besides, it can be used as an end support in a fully mechanized mining coal face.

	DW06	DW08	DW10	DW12		DW14	DW16	DW18		DW20		DW22	DW25	DW28		DW31.5	DW35
Work resistance kN	400													350		300	250
Rated oil pressure Mpa	42.1													36.8		31.6	26.3
Setting loading force kN	142.5-190.0
Pump pressure Mpa	15-20
Max. height mm	630	800	1000	1200		1400	1600	1800		2000		2240	2500	2800		3150	3500
Min. height mm	485	785	685	792		900	1005	1110		1240		1440	1700	2000	2350		2700
Stroke mm	145	222	315		408	500	595		690	760	800
Cylinder Dia.mm	110
Areas of base plate cm2	172
Working liquid	M10 or MTD emulsion including 1-2% emulsifiler
Weight  kg	38	40	47	50		54	59	62		66		73	79	91		96	103

DW series Hydraulic prop