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Simple Structure Down The Hole Hammer Without Foot Valve 3 Months Warranty

1 Set/Sets
MOQ
negotiable
Price
Simple Structure Down The Hole Hammer  Without Foot Valve 3 Months Warranty
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Features
Specifications
Warranty: 3 Months
Applicable Industries: Construction Works , Energy & Mining
Type: Drill Hammer
Machine Type: Drilling Tool
Material: Carbon Steel
Processing Type: Forging
Use: Well Drilling
Length(without Bit): 1545-1880mm
External Diameter: 226-275mm
Drilling Hole Diameter: 254-445mm
Air Pressure: 2.0-3.5Mpa
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dth hammers and bits

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down to hole hammer

Basic Infomation
Place of Origin: Zhejiang, China
Brand Name: Sanrock
Certification: API
Payment & Shipping Terms
Packaging Details: wooden box package or nude package
Supply Ability: 5000 Set/Sets per Month
Product Description

Simple Structure Down The Hole Hammer Without Foot Valve 3 Months Warranty

 

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 high air pressure DTH hammer without foot valve,and it is our newest design.It is also one of the most advanced DTH hammers in the world.

 

It has the following advantages:
1.Out of the trouble of foot valve fracture and expansion and contraction.
2.Lower energy consumption and higher impact frequency.The drilling speed is 15%-30% higher than the one with foot valve.
3.Simple structure,reliable parts,long life span,easy and cheep maintenance.
4Lower air and oil consumption.The oil consumption is about 10%lower than the one with foot valve.

 

 

SPECIFICATION

High Air Pressure DTH Hammer (without foot valve) Technical Data

 

 SR-NUMA series DTH HAMMERS 
DTH hammer type SR-NUMA100A SR-NUMA120A SR-NUMA125A
Bit shank NUMA100 NUMA120 NUMA125
Hole range(mm) Φ254-Φ311 Φ305-Φ445 Φ305-Φ445
Connection thread API 4 1/2"Reg API 5 1/2"Reg API 5 1/2"Reg
API 5 1/2"Reg API 6 5/8"Reg API 6 5/8"Reg
     
Working pressure 2.0-3.5Mpa 2.0-3.5Mpa 2.0-3.5Mpa

 

Simple Structure Down The Hole Hammer  Without Foot Valve 3 Months Warranty 0

 

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Tel : +86-15215717780
Fax : 86-570-5707779993
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