DW22-300/100X Mining Single Hydraulic Prop

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Introduction of DW22-300/100X Mining Single Hydraulic Prop

1. Large work schedule and low cost of safety management:

Each specification can replace 2-4 specifications of traditional piston type single props, which reduces the frequency of different types of unit pillars due to the change of working face height and the displacement of the roadway by the top plate and the bottom plate, which reduces the labor intensity of workers. And additional spare quantities for the pillars.

2. High support strength, good safety and stability:

The pillars have no bearing welds, and the pillars adopt the suspension technology principle. The suspension force generated by the high pressure liquid directly acts on the top cover end, reaching four-fifths of the working resistance, and the column is only one-fifth of the force, which greatly enhances the support stability and carrying capacity.

3. the leak is easy to find, safe and reliable:

Due to the structural improvement of the single hydraulic prop, Avoid the detachment of the top of the pillar. Once the hydraulic props are leaked, they can be directly inspected by the naked eye at the downhole site. The pillars can be replaced at any time. The tighter the sealing surface is, the less likely it is to leak.

4. long service life, easy operation and maintenance:

The overall structure is simple, the service life is long, the operation is convenient, the maintenance is easy, and the pillar uplifting and maintenance rate can be greatly reduced.

Parameter of DW22-300/100X Mining Single Hydraulic Prop

Model project	Max height （mm）	Min height （mm）	workingstroke（mm）	Rated working resistance KN	weight （Kg）	Rated working pressureMPa	Pump station pressure MPa	Initial support KN	Bore diameter（mm）	Work liquid
DW06-300/100X	630	400	230	300	21	28.3 34	15-20	108.5-144.7	100	Emulsion containing 1% to 2% M10 emulsified oil
DW08-300/100X	800	490	310		24
DW10-300/100X	1000	595	405		27.5
DW12-300/100X	1200	700	500		31.5
DW14-300/100X	1400	810	590		34.5
DW16-300/100X	1600	920	680		38
DW18-300/100X	1800	1035	765		42
DW20-300/100X	2000	1150	850		46.5
DW22-300/100X	2240	1280	960		51
DW25-250/100X	2500	1430	1070	250	56
DW28-250/100X	2800	1600	1200		62
DW31.5-200/100X	3150	1780	1370	200	69	27.6
DW35-200/100X	3500	1960	1540		75

Pictures of DW22-300/100X Mining Single Hydraulic Prop