Introduction
The Underground Mining Tunnel Hydraulic Supporting Prop is used for temporary roof support in underground mining tunnels.
1. High-Strength Material
2.Hydraulic Pressure Control
System pressure is controlled through the valve circuit to maintain continuous support pressure within the rated stroke.
3.Suspension Design
The top cap is connected to the prop body through a pin-linked suspended structure, rather than a fixed rigid joint.
After-sales Service
1.Regional Service Support
Dedicated after-sales staff are assigned by sales region.
2.Selection Assistance
Support is provided for product selection based on site conditions.
3.Operation Guidance
Basic operation training and pre-use demonstration are available.
FAQ
Q: What do you need for a detailed quotation?
Product model, quantity, and surface treatment requirements.
Q: How about your technical level?
We specialize in coal mine support products and have experience with certified five-meter and six-meter single hydraulic props.
Q: Do you have a safety certificate for your products?
Yes. Our products are nationally safety certified.
Q: How do you guarantee product quality?
All products are inspected before delivery.
Q: Can you provide customization or modification drawings?
Yes. Modifications are available based on mine conditions.
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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 |
| DW45--250/110X | 4500 | 2520 | 1980 | 250 | 109 | 28.2 | 15～ 20 |
132.3～ 176.4 |
110 | Emulsioncontaining 1% to2% M10emulsified oil |
| DW42--250/110X | 4200 | 2360 | 1840 | 101 | ||||||
| DW40--250/110X | 4000 | 2250 | 1750 | 95 | ||||||
| DW38--250/110X | 3800 | 2140 | 1660 | 89 | ||||||
| DW35--300/110X | 3500 | 1980 | 1520 | 300 | 75.5 | 34 | ||||
| DW31.5--300/110X | 3150 | 1800 | 1350 | 67 | ||||||
| DW28--350/110X | 2800 | 1620 | 1180 | 350 | 61.1 | 39.7 | ||||
| DW25--350/110X | 2500 | 1450 | 1050 | 57.5 | ||||||
| DW22--350/110X | 2240 | 1300 | 940 | 52.5 | ||||||
| DW20--350/110X | 2000 | 1170 | 830 | 48 | ||||||
| DW18--350/110X | 1800 | 1055 | 745 | 44.5 | ||||||
| DW16--350/110X | 1600 | 940 | 660 | 41 | ||||||
| DW14--350/110X | 1400 | 830 | 570 | 37.5 | ||||||
| DW12--350/110X | 1200 | 720 | 480 | 33 | ||||||
| DW10--350/110X | 1000 | 615 | 385 | 29.5 | ||||||
| DW08--350/110X | 800 | 510 | 290 | 25.5 | ||||||
| DW06-350/110X | 630 | 420 | 210 | 23 | ||||||
| DW35-350/110XH | 3500 | 1980 | 1520 | 208.6 | ||||||
| DW31.5-350/110XH | 3150 | 1800 | 1350 | 190 | ||||||
| DW35--250/100X | 3500 | 1980 | 1520 | 250 | 71 | 34.6 | 108.5～144.7 | 100 | ||
| DW31.5--250/100X | 3150 | 1800 | 1350 | 65 | ||||||
| DW28--300/100X | 2800 | 1620 | 1180 | 300 | 59 | 41.5 | ||||
| DW25--300/100X | 2500 | 1450 | 1050 | 54 | ||||||
| DW22--300/100X | 2240 | 1300 | 940 | 49.5 | ||||||
| DW20--300/100X | 2000 | 1170 | 830 | 45 | ||||||
| DW18--300/100X | 1800 | 1055 | 745 | 41.5 | ||||||
| DW16--300/100X | 1600 | 940 | 660 | 38 | ||||||
| DW14--300/100X | 1400 | 830 | 570 | 34 | ||||||
| DW12--300/100X | 1200 | 720 | 480 | 30.5 | ||||||
| DW10--300/100X | 1000 | 615 | 385 | 27.5 | ||||||
| DW08--300/100X | 800 | 510 | 290 | 24 | ||||||
| DW06-300/100X | 630 | 420 | 210 | 21 |
