Sanrock SD4 SD5 SD6 SD8 SD10 SD12 High Air pressure DTH Hammer With Foot Valve

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SR-SD Series High Air Pressure DTH Hammers With Foot Valve 

 

FEATURES

With professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards.It is durable for being produced with advanced craftwork and good material.

 

It is a kind of valveless high air pressure DTH hammer with foot valve.It has the following advantages:

 

The main features are as following:
1.Valveless air distribution.More reliable.

2.Simple design of the piston.Long life span.

3.More efficient energy transfer,faster drilling speed,lower air consumption and lower oil consumption.

4.Fewer internal parts,simple structure,long life span,less failure and easier to maintain because because all  the parts are heat treated.

5.Easy to disassemble because the job sub,the drive chuck and the external cylinder are connected by multiple steps treated.

 

 

SPECIFICATION

High Air Pressure DTH Hammer (with foot valve) Technical Data

 

 SR-SD series DTH HAMMERS 
DTH hammer typeSR-SD4SR-SD5SR-SD6SR-SD8SR-SD10SR-SD12
Bit shankSD4SD5SD6SD8SD10SD12
Hole range(mm)Φ110-Φ135Φ135-Φ155Φ155-Φ190Φ195-Φ254Φ254-Φ311Φ305-Φ445
Connection threadAPI 2 3/8"RegAPI 3 1/2"RegAPI 3 1/2"RegAPI 4 1/2"RegAPI 4 1/2"RegAPI 6 5/8"Reg
    API 6 5/8"Reg 
Working pressure1.2-2.0Mpa1.3-2.3Mpa1.5-2.5Mpa1.5-3.0Mpa2.0-3.5Mpa2.0-3.5Mpa

 

Tips:All 4 to 5 inch impactor joints are subject to an additional charge of $15 for alloy.

 

 

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PACKAGE

 

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Contact with

Damon (manager)

Cell/whatssap/skype: +86 189 0570 9583