Introduction
A steel single hydraulic acrow prop jack is a hydraulic support pillar for underground roof holding.
Features
1.High-load Bearing Column
One-piece column made of high-strength structural steel; working resistance 200–300 kN.
2.Stable Bottom Structure
Square base plate structure. Thickened steel base with integrated welding.
3.Integrated Actuation Control
The operating handle and hydraulic control valve are integrated in one structure
Applications
1.Provides roof holding along coal mining faces.
2.Serves as temporary roof support during roadway excavation.
3.Used in underground maintenance for short-term roof holding.
4.Supports roof sections during position transfer or relocation.
5.Applied in narrow or irregular underground spaces for local roof holding.
Company Strengths
1.Regional Service Coverage
Sales areas are matched with local teams and fixed service points.
2.Dedicated Support Team
The company maintains a specialized after-sales team focused on mining support equipment.
3.Integrated Support Process
Product selection, technical guidance, and on-site coordination are handled within one service system.
FAQ
Q1: Do your products have certification?
Yes. The steel single hydraulic acrow prop jacks are supplied with national safety certification per relevant standards.
Q2: What documentation is provided with an order?
Shipment includes quality inspection reports, product specifications, and export packing list or certificates as required for customs clearance.
Q3: Can you support customization and technical drawing modifications?
Yes. We can adjust design and technical parameters based on the mine's actual conditions and your specified requirements.
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| Model project |
Max height (mm) |
min height (mm) |
Working stroke (mm) |
Rated working resistance (KN) |
weight (Kg) |
Rated working pressure (Mpa) |
Pump station pressure (Mpa) |
Initial support (KN) |
Bore diameter (mm) |
Woek liquid |
| DW06-300/100 | 630 | 485 | 145 | 300 | 25.1 | 38.2 | 15～ 20 |
118～157 | 100 | Emulsioncontaining 1% to2% M10emulsified oil |
| DW08-300/100 | 800 | 578 | 222 | 26.2 | ||||||
| DW10-300/100 | 1000 | 685 | 315 | 32 | ||||||
| DW12-300/100 | 1200 | 792 | 408 | 36.3 | ||||||
| DW14-300/100 | 1400 | 900 | 500 | 40 | ||||||
| DW16-300/100 | 1600 | 1005 | 595 | 43.5 | ||||||
| DW18-300/100 | 1800 | 1110 | 690 | 47 | ||||||
| DW20-300/100 | 2000 | 1240 | 760 | 48 | ||||||
| DW22-300/100 | 2240 | 1440 | 800 | 55 | ||||||
| DW25-250/100 | 2500 | 1700 | 800 | 250 | 58 | 31.8 | ||||
| DW28-250/100 | 2800 | 2000 | 800 | 70 | ||||||
| DW31.5-200/100 | 3150 | 2350 | 800 | 200 | 76.4 | 22.5 | ||||
| DW35-150/100 | 3500 | 2700 | 800 | 150 | 82.8 | 19.1 | ||||
| DW38-180/110 | 3800 | 2700 | 1100 | 180 | 96.5 | 19.1 | 10～ 20 |
95～190 | 110 | Emulsioncontaining 1% to2% M10emulsified oil |
| DW40-180/110 | 4000 | 2900 | 1100 | 101.5 | ||||||
| DW42-180/110 | 4200 | 3100 | 1100 | 103 | ||||||
| DW45-180/110 | 4500 | 3400 | 1100 | 111 |
