Description

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Introduction：

The Mining Single Suspension Type Hydraulic Supporting Prop is used for temporary roof support in underground coal mines.

Features

1.Component Layout

Cylinder, piston rod, sealing set, and valve unit are designed as separate, detachable units.

2.High-Quality Seals

Seals are made of polyurethane or composite elastomers commonly used in mining hydraulics.

3.Overload Protection Function

Safety valve releases excess pressure when roof load exceeds rated limit, preventing hydraulic overload.

Company Service

1.Professional Service Team
Dedicated after-sales engineers provide ongoing technical support.

2.Regional Support
Service personnel are assigned by sales region, with local offices in key areas.

3.Technical Assistance
Support is available for product selection, application guidance, and basic design.

4.Operator Training
Theoretical instruction and on-site operation guidance are provided.

5.On-Site Support
Ground operation demonstrations are offered when required.

FAQ

Q1: What information do you need for a detailed quotation?

Please provide the required model, quantity, and any surface treatment or other specific requirements.

Q2: How would you describe your technical background?

We have focused on coal mine support equipment for many years. We were among the first domestic manufacturers to obtain safety certification for five-meter single hydraulic props, have cooperated with Shandong University of Technology on equipment development, and in 2025 participated in the development of a six-meter single hydraulic prop for Dongtai Group.

Q3: Do your products have safety certification?

Yes. Our products have national mining safety certification.

Q4: How do you ensure product quality?

Each product is inspected before leaving the factory, in accordance with relevant quality requirements for mining equipment.

Q5: Do you support customization or drawing modification?

Yes. Products can be adjusted based on customer requirements and actual 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	300	67	34
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	250	65	34.6
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