140mm Water Well Drilling Rig Crawler Type Pneumatic 400 Meter

Product Details:

Place of Origin:	Hebei China
Brand Name:	Shitan
Certification:	ISO 9001
Model Number:	ST-400

Payment & Shipping Terms:

Minimum Order Quantity:	1 set
Price:	35000 USD-45000 USD
Packaging Details:	Wooden box
Delivery Time:	5 days
Payment Terms:	T/T, Western Union
Supply Ability:	2000 sets/month

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Detailed Product Description

Product Name:	High Drilling Speed Large Water Well Drilling Rig ,ST 400 Pneumatic Borewell Machine	Drilling Depth:	400m
Drilling Diameter:	Φ140-Φ350mm	Dimension:	5900x2100x2850mm
Feeding Type:	Hydraulic	One Push Length:	6M
Length Of Drill Pipe:	1.5m, 2.0m, 3.0m,6.0m	Drilling Pipe Diameter:	Φ89, Φ102mm, Φ108mm
Weight:	9.8T
Highlight:	crawler pneumatic water well drilling rig , 400 meter water well drilling rig , 400m small water well drilling rigs

140mm Water Well Drilling Rig Crawler Type Pneumatic 400 Meter

Product Specifications

Attribute	Value
Product Name	High Drilling Speed Large Water Well Drilling Rig, ST 400 Pneumatic Borewell Machine
Drilling Depth	400m
Drilling Diameter	Φ140-Φ350mm
Dimension	5900x2100x2850mm
Feeding Type	Hydraulic
One Push Length	6M
Length of Drill Pipe	1.5m, 2.0m, 3.0m, 6.0m
Drilling Pipe Diameter	Φ89, Φ102mm, Φ108mm
Weight	9.8T

Product Overview

The ST 400 Pneumatic Borewell Machine is a full hydraulic drilling rig primarily used for drilling wells, irrigation wells, ground source heating pump wells, and other boreholes. It is particularly effective for mountain and rock formation well projects. This deep water well drilling rig features full hydraulic control and top drive rotation for high drilling efficiency.

Technical Specifications

Max Drilling Depth	400 Meters
Drilling Diameter	105-325 mm
Air Pressure	1.2-3.5mpa
Rod Length	3 meter
Rod Diameter	89-102-114mm
Main Shaft Pressure	5T
Lifting Force	25T
Power Head Stroke	6.6M
Max Rotary Torque	12000Nm
Max Rotary Speed	100r/rmin
Secondary Winch Lifting Force	3T
Jacks Stroke	1.5m
Moving Speed	2.5km/h
Uphill Angle	21° Slope
Weight of the Rig	8.8T
The Engine	92KW / 6 cylinder
Overall Dimensions	390016002350mm
Working Condition	Loose layer and bedrock
Drilling Method	Hydraulic rotary, down-the-hole impactor

Key Features

Hydraulic automatic feeding mechanism improves drilling efficiency and reduces labor intensity
Ball clip holding mechanism or hydraulic chuck allows rod changes without stopping operation
Hole bottom pressure gauge for monitoring conditions within the borehole
Compact structure with concentrated handle, small footprint, and light weight for easy mobility
Suitable for operation in both plains and mountainous areas

Product Advantages

Full hydraulic control with adjustable speed, torque, and pressure for various working conditions
Top-drive slewing propulsion lift for easy drill pipe connection/disconnection
Supports multiple drilling methods including down-the-hole, reverse circulation, and core drilling
High efficiency with fast drilling speed and short auxiliary time
Cost-effective operation with lower cost per meter
Tracked walking system for muddy field movement and high outriggers for easy loading
Positive and negative axial pressure adjustment for optimal impact efficiency
High-quality components including high-strength low-carbon alloy steel frame
Powerful 65KW Quanchai diesel engine
Strong lifting capacity with 3.4m long stroke and 15 ton double cylinder lift

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