DN20 DN24 Coal Mining Double Telescopic Suspension Single Prop Hydraulic Cylinder Mine Support

• Core Components: Pump
• Max Height mm: 650
• Rated Working Pressure MPa: 49
• Applicable Industries: Construction Works/Energy/Miming
• Base Area Cm2: 120
• Transport Package: Steel Pallet or Customized
• Model NO.: YBT
• Origin: China
• HS Code: 730890000
• Production Capacity: 10000 Sets/ Year

Product Description

Solution	Category	Malfunction	cause of issue
Check the pumping station; Open the shut-off valve; Clean the injection valve nozzle; Clean the filter	Lifting column failure	The movable post does not protrude from the cylinder body or protrudes very slowly when supporting	No pressure or low pressure in the pumping station; The shut-off valve is closed; The injection valve nozzle is blocked by dirt; Clogged pipeline filter
Re-hang the return spring orreplace with a new spring; Replace damaged parts	Back column failure	Slow or no drop of the moving column	The return spring is dropped or damaged; The cylinder has a partial depression; Damage to the surface of the live post
Replace the Y-ring, replace the cylinder; Replace the O-ring; Replace with new valve or clean one-way valve, unload valve pad	Seal failure	1. Liquid leakage from the handle; 2. Liquid leakage from the base; 3. Liquid leakage from the φ42 hole on the column head; 4. Leakage from check valve or unloading port	The Y-ring is damaged, the oil cylinder is deformed or the coating falls off; The base φ100×3.1 O-ring is damaged; φ42×3.5 O-ring is damaged; Check valve, unloading valve is damaged

Temporary supports for hardrock mining
As well as long-term support solutions, Decent also manufactures temporary support units for hard rock mining. This product, the Rocbolt, is a hydraulically set anchoring device. When inserted into rock and pressurised to 30MPa, it expands to create a locking effect.

Rocbolt is ideal for temporary tunnel supports and stope hangingwall support.

FAQ

Q1:What do you do?
A: We design and manufacture formwork and scaffolding products used for pouring concrete structures in the field of housing, multi-story structure, high-rise buildings, towers, sports stadiums, bridges, hydropower stations, industrial structures, etc.

Q2:What can you do for us?
A: We offer our suggestions, drawings of formwork layout, and quotations to the owners, design institutes, or contractors of the construction projects.
B: We sell our products to contractors, building companies, material suppliers, or trading companies.
C: We support our worldwide peer companies with our outstanding formwork or scaffolding products.
D: We provide remote or on-site instruction to the builders.

Q3:How long does it take to make a brief design and quotation after we offer the structural drawing?
A: In general, it takes 5~7 days based on specific requirements of the construction project.