Dwb 28 Mining Support Tunnel Light Single Hydraulic Steel Acrow Prop Selling Mining Support Tools

• Customization: Available
• After-sales Service: Online Video Services
• Warranty: 1
• Model NO.: DWB series
• Standard: GB
• Model: Dwb28-30/100
• Max Height (mm): 2800
• Working Stroke(mm): 570/820
• Rated Resistance(Kn): 30
• Rated Working Pressure(MPa): 3.8
• Setting Pressure(Kn): 30
• Weight(Kg): 22.5
• Transport Package: Export Standrad Package
• Origin: Jining City, Shandong Province, China
• Production Capacity: 1000 Sets Per Month
• Package Size: 70.00cm * 70.00cm * 70.00cm
• Package Gross Weight: 59.000kg

Product Description

 CE Certification DN20 DN24 Acrow Props Coal Mining Hydraulic Props

Product Description

Introduction of Dwb 28 Mining Support Tunnel Light Single Hydraulic Steel Acrow Prop Selling Mining Support Tools

Single hydraulic props are divided into external liquid supply type (referred to as external injection type) and internal liquid supply type (referred to as internal injection type) according to their different liquid supply methods. According to different working strokes, the struts are divided into single telescopic (single stroke) struts and double telescopic (double stroke) struts. According to the different materials used, the pillars are divided into steel pillars and light alloy pillars.zmwm20
 

Certifications

Product Parameters

Parameters of Dwb 28 Mining Support Tunnel Light Single Hydraulic Steel Acrow Prop Selling Mining Support Tools

Model	DN06	DN08	DN10	DN12	DN14	DN16	DN18	DN20	DN22
Max Height mm	650	800	1000	1200	1400	1600	1800	2000	2240
Min Height mm	510	590	700	850	1000	1100	1200	1390	1540
Working Limit mm	140±10	210±10	300±10	350±20	400±20	500±20	600±20	610	700
Rated Working Resistance kN	250							300
Rated Working Pressure MPa	49							46.3
Cylinder Inner Dia mm	80							90
Initial Support kN	49				68.7-78.5
Base Area cm2	120
Max. Torque On Handle N.m	<200
Increase Height per Handle Shake mm	≥12				≥20
Down Prop Seed mm/s	>20				>30
Working Medium	5# hydraulic oil
	5#Hydraulic oil
Weight kg	23	26	29	34	38	41	45	55	60

 

Detailed Photos

Photos of Dwb 28 Mining Support Tunnel Light Single Hydraulic Steel Acrow Prop Selling Mining Support Tools

 

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