Dw31.5 Tunnel Adjustable Mining Acrow Props Outer Injection Single Hydraulic Support Prop

• After-sales Service: Video or Technical Support
• Warranty: 1 Year
• Model: Dw31.5
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: DW31.5
• Max Height: 3150mm
• Min Height: 2350mm
• Working Stroke: 800mm
• Net Weight: 76.4kg
• Rated Resistance: 25.5MPa
• Transport Package: Carton Box, Plastic Bags, Wooden Cases or as Your
• Trademark: zhongmei
• Origin: China
• Production Capacity: 1000 Boxes Per Month
• Package Size: 70.00cm * 70.00cm * 70.00cm
• Package Gross Weight: 59.000kg

Product Description

Tunnel Adjustable Acrow Props Outer Injection Single Hydraulic Support Prop

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Product Description

Introduction of Dw31.5 Tunnel Adjustable Mining Acrow Props Outer Injection Single Hydraulic Support Prop

Outer Injection Adjustable Mining Props Dw35 Single Hydraulic Prop increasingly widely used in the production of its traditional wooden pillars supporting metal friction compared with high recovery, supporting safe and reliable, working resistance constant, setting load is high, the use of flexible benefits. Outer single hydraulic prop can be used alone or in combination with metal hinged roof beams supporting the use, can be used in coal seam dip is less than 25. Stope roof gently inclined to pay, but also for mechanized coal face end support or temporary support available.zmwm02

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Product Parameters

 

Technology Parameters of Dw31.5 Tunnel Adjustable Mining Acrow Props Outer Injection Single Hydraulic Support Prop

Type	Unit	DW35	DW31.5	DW28	DW25	DW22	DW20	DW18	DW16	DW14	DW12	DW10	DW08	DW06
Max Height	mm	3500	3150	2800	2500	2200	2000	1800	1600	1400	1200	1000	800	600
Min Height	mm	2700	2350	2000	1700	1440	1240	1110	1005	900	792	685	578	485
Working Stroke	mm	800	800	800	800	800	760	690	595	500	408	315	222	145
Net Weight	kg	82.8	76.4	70	58	55	49	47	43.6	39.9	36.3	32	26.7	26.5
Rated Resistance	kN	150	200	250		300
Rated Fluid Pressure	Mpa	19.1	25.5	31.8		38.2
First Sustaining Load	kN	118--157
Pump Station Pressure	Mpa	15or20
Column Lifting Speed	mm/s	≥60
Column Descending Speed	mm/s	≥40
Diameter of Oil Cylinder	mm	100
Base Area	cm2	113			109
Service Substance		Coal 10 (M10)Emulsifier(or MDT10emulsifier)1-2% Emulsion

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