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Line Concrete Pump For Tunnel

Line concrete pumps are particularly well-suited for tunnel construction due to their ability to deliver concrete through long, flexible hoses that can navigate the confined and complex pathways typical of tunnels. These pumps are designed to handle the specific challenges of tunneling projects, including long distances, limited space, and the need for precision placement. Concrete pump,also called trailer mounted concrete pump or concrete trailer pump, is the kind of small concrete pump mounted on the moveable trailer to to convey concrete to hard to access flexibly.

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Product Introduction

Line Concrete Pump For Tunnel is a diesel-powered line concrete pump designed for conveying concrete in tunnel construction. It handles concrete with up to 40 mm aggregate size, providing stable long-distance pumping, high-pressure delivery, and continuous operation for tunnel lining, slope reinforcement, and underground civil engineering projects.

Line Concrete Pump for Tunnel

Product specifications

MODEL: HBT50-13-90RS
Max theoretic output					50m³/h
Max concrete pumping pressure					7-13Mpa
High and low valtage switchover					Yes
Hydraulic system					Double pump & double circuit opening
Main oil pump discharge					260ml/r(kawasaki)
Hydraulic system pressure					32Mpa
Power supply					Diesel motor
Voltage					/
Motor power					90KW
Motor speed					/
Distribution valve type					S pipe valve
Concrete conveying cylinder bore/stroke					Ф200/1650mm
Oil cylinder bore/stroke					Ф125/1650mm
Max aggregate size					40mm
Hopper Volume					0.6m³
Feeding height					1450mm
Max delivery vertical distance					120m
Max delivery horizontal distance					360m
Concrete slump					160-230mm
Hydraulic oil tank volume					420L
The radiator cooling type					Air cooling system
Hydraulic pump type					Ram pump
Outer dimensions(LWH)					5000×2000×2500mm
Total weight					4500 kg

Key Features

50 m³/h theoretical output enables continuous concrete delivery, improving construction efficiency on tunnel projects.
7–13 MPa pumping pressure with high/low pressure switching adapts to different pumping distances and working conditions.
Double-pump double-circuit hydraulic system improves hydraulic stability and reduces downtime during continuous operation.
Diesel-powered 90 kW engine allows independent operation on remote construction sites without external power supply.

Typical Applications

Tunnel Construction - Pumps concrete for tunnel lining, secondary lining, and invert concrete placement over long distances.

Hydropower Projects - Delivers structural concrete inside underground caverns, diversion tunnels, and powerhouse construction.

Mining Engineering - Transfers concrete for underground roadway support and reinforcement operations.

Slope Protection Projects - Pumps concrete for shotcrete preparation, retaining walls, and slope stabilization works.

OEM & Customization

Customization Category	Available Options
Machine Configuration	Pumping capacity, diesel engine brand, hydraulic pump brand, pumping pressure, remote control system, lubrication system, hopper size
Power System	Diesel engine configuration, emission standard options (subject to destination market)
Hydraulic Components	Kawasaki or equivalent hydraulic pump, hydraulic valve brands, oil cooling system configuration
Pipeline Configuration	Pipe diameter, pipeline length, elbows, reducers, quick couplings
Control System	PLC configuration, wired remote control, wireless remote control, fault diagnosis display
Appearance	Customer logo, machine color, warning labels, multilingual nameplates
Accessories	Concrete pipes, rubber hoses, cleaning balls, sponge balls, clamps, seals, spare wear parts, tool kit

Manufacturing & Quality Assurance

Manufacturing Process

Raw material inspection
Steel plate CNC cutting
Frame welding and structural assembly
Stress relief and dimensional inspection
Hydraulic system installation
Concrete cylinder assembly
S valve installation and alignment
Electrical and control system integration
Surface preparation and powder coating
Complete machine assembly

Quality Inspection

Weld quality inspection
Hydraulic pressure testing
Pumping pressure verification
Hydraulic leakage inspection
Hopper and pipeline sealing inspection
Electrical system function testing
Continuous trial pumping test
Noise and vibration inspection
Final dimensional inspection
Factory performance inspection before shipment

FAQ

Q1. How does the high/low pressure switching function work?

A. The operator can switch between high-pressure and high-flow modes to match different pumping distances and concrete delivery requirements.

Q2. What safety features are included?

A. The machine includes hydraulic pressure protection, emergency stop controls, air-cooled hydraulic system, overload protection, and safety warning labels.

Q3. What certificates can be provided?

A. CE certification and other export-related documentation can be provided according to the destination market and customer requirements.

Q4. How is the machine packaged and shipped?

A. The machine is protected with moisture-proof wrapping, fixed in a reinforced steel frame, and shipped mainly by ocean freight. Railway and truck transportation are also available where applicable.

Q5. What is the production lead time?

A. Standard production is completed within 15–35 working days, depending on machine configuration and order quantity.

Q6. Are spare parts available after purchase?

A. Yes. Wear parts, hydraulic seals, concrete cylinders, S valve components, delivery pipes, clamps, and other spare parts are available for long-term supply.

Q7. What technical support is provided?

A. We provide remote technical support, troubleshooting assistance, spare parts recommendations, maintenance guidance, and after-sales service throughout the equipment lifecycle.

Q8. What warranty is offered?

A. The machine is covered by a 12-month warranty from the date of shipment. The warranty covers manufacturing defects under normal operating conditions, excluding consumable wear parts.

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