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DHD380 Well Drilling Product Application Rocking Drilling Korea Large DTH Bit DTH Hammer

HIGH AIR PRESSURE DTH hammer
DHD SERIES 
DHD3.5/DHD340/DHD350/DHD360/DHD380
QL40/QL50/QL60/QL80
MISSION40/MISSION50/MISSION60/MISSION80
DESIGN HIGHLIGHTS
1. DHD/QL/MISSION series is a valve less type hammers designed for high performance at low operating air pressure.
2. Suitable bits have a strong robust design without foot valve to withstand heavy duty application.
3. DHD/QL/MISSION series hammers maximizes energy output and reduces service requirements.
4. Wear sleeve is not reversible.
5.All critical internal components are heat treated under strict control to maximize tool longevity.
EXCLUSIVE FEATURES
1.A built-in choke facility allows the driller to adjust the volume of air through the hammer to optimize cuttings evacuation.
2.Unique internal mounting of liner eliminates the need for seating ring.
3.Fewer internal components minimize service requirements.
4.Multi-start threads on backhead and chuck ensure easy coupling / uncoupling of hammer.
5.Excellent for all types of drilling applications typically for water well drilling and geothermal applications.
APPLICATIONS
Water Well     Mining   Construction   Quarry


Item Description

Weight (KG)

Part Number

1.Top Sub

34

HD85A-01

2.“O”-Ring of Top Sub

0.015

HD85A-02

3.Check Valve

1.2

HD85A-03

4.Spring

0.1

HD85A-04

5.Air Distributor

6.00

HD85A-05

6.Internal Cylinder

6.5

HD85A-06

7.Piston

42.5

HD85A-07

8.External Cylinder

60

HD85A-08

9.Guided Sleeve

5.3

HD85A-09

10.“O”Ring of Stop Ring

0.1

HD85A-10

11.Stop Ring

1.2

HD85A-11

12.Driver Chuck

17.5

HD85A-12

13.Drill Bit


HD85A-13




Product data


Length(Without bit)

1358mm

Weight(Without bit)

175.0Kg

Bits shank

Cop84/DHD380/HD85

External diameter

Φ180mm

Bits diameter

Φ195-Φ254mm

Connection Thread

API 4 1/2"Reg

Working Pressure

1.0-3.0Mpa

Impace rate at.1.7Mpa

22Hz

Recommended rotation speed

15-25r/min

Air consumption

1.8Mpa  26m^3/min

2.4Mpa  34m^3/min


Business Type:

Manufacturer, Exporter

Brands:

KUANGBAO

Price:

Consultation

Packing details:

Plastic/Wooden case

Delivery time:

7 days after get payment

Payment method:

T/T , Western Union, money gram, L/C at sight

Usage:

Foundation piling. Quarry, mining, soil nailing, water well drilling, tunneling and etc.

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