SD Series Mining DTH Hammer High Air Pressure DTH Hammer 4 Inch

Model NO.
SD4
Transport Package
Foam Ply-Wooden Cases for Exporting
Specification
65mm / 76mm/ 80mm/90mm
Trademark
Dongfeng
Origin
Xi′ an Shannxi China
HS Code
8431432000
Production Capacity
5000 Per Month
Reference Price
$ 211.50 - 462.60
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Product Description

SD Series Mining DTH Hammer High Air Pressure DTH Hammer 4 Inch
SD Series mining DTH Hammer water well rock drilling 4 Inch high Air pressure DTH Hammer
Application: SD Series high Air pressure DTH Hammer used in earthwork projects, minerals exploratings, well-digging projects and foundation constructions etc.
Feature:
1. Simple design of the Piston, Long life span.
2. More efficient energy transfer, faster drilling speed
3. lower air consumption and lower oil consumption.
4. Fewer internal parts, simple structure, less failure and easier to maintain because all the parts are heat treated.

Hammers 		Bit Shank Connection Thread Suitable bit Working pressure Air consumption
1-3" Middle-low pressure DTH hammers
BR1
BR2
BR3 		RD40 box
RD50 box
API 2 3/8" Reg
¢64-¢76mm
¢70-¢90mm
¢90-¢110mm 		0.7-1.75Mpa
0.7-1.75Mpa
0.7-1.75Mpa 		0.7Mpa 4.5m3/min
1.0Mpa 4m3/min
1.4Mpa 5m3/min
3" hammers DHD3.5
COP32/COP34
M30 		API 2 3/8"Reg ¢90-¢110mm 1.0-1.5Mpa 1.0Mpa 4.5m3/min
1.5Mpa 9m3/min
4" hammers DHD340
COP44
QL40
SD4
M40 		API 2 3/8"Reg ¢105-¢130mm 1.0-2.5Mpa 1.0Mpa 6m3/min
1.8Mpa 10m3/min
2.4Mpa 15m3/min
5" hammers DHD350
COP54
QL50
SD5
M50 		API 2 3/8"Reg/API 3 1/2"Reg ¢130-¢156mm 1.0-2.5Mpa 1.0Mpa 9m3/min
1.8Mpa 15m3/min
2.4Mpa 23m3/min
6" hammers DHD360
COP64
QL60
SD6
M60 		API 3 1/2"Reg ¢152-¢203mm 1.0-2.5Mpa 1.0Mpa 10m3/min
1.8Mpa 20m3/min
2.4Mpa 28.5m3/min
8" hammers DHD380
COP84
QL80
SD8 		API 4 1/2"Reg ¢200-¢279mm 1.0-2.5Mpa 1.0Mpa 15m3/min
1.8Mpa 26m3/min
2.4Mpa 34m3/min
10" hammers SD10
NUMA100 		API 6 5/8"Reg ¢254-¢330mm 1.0-2.5Mpa 1.0Mpa 22m3/min
1.8Mpa 40m3/min
2.4Mpa 55m3/min
12" hammers DHD1120
SD12
NUMA120
NUMA125 		API 6 5/8"Reg ¢305-¢381mm 1.0-2.5Mpa 1.0Mpa 30m3/min
1.8Mpa 56m3/min
2.4Mpa 78m3/min
SD Series Mining DTH Hammer High Air Pressure DTH Hammer 4 Inch SD Series Mining DTH Hammer High Air Pressure DTH Hammer 4 Inch Xi 'an Nenda Machinery & Electrical Industry  Co., Ltd. was established in 2011, is engaged in drilling machinery, pneumatic tools, hydraulic machinery professional manufacturing enterprises. The company is located in Zhenxing North Road, Fengjing Industrial Park, Xi 'an Huyi District, with an area of 20,000 square meters and a 7,000 square meters production plant. The company is equipped with nearly 100 sets of processing, R&D and testing equipment. We design , manufacture and sell the following products: pneumatic rock drill, pneumatic bolt drill, DTH impacter, DTH drill bit, DTH drill pipe, hydraulic jack and various accessories. The company has wealth scientific experience of research and production experience, using high-quality raw materials, advanced production technology and strict testing means, to produce excellent performance, quality products. According to different using scenarios, it can be used separately to drill rock; It can also be used with kinds of drilling wagons, drilling machines to drill rock operations; At the same time, drilling and anchoring can be carried out under various geological conditions.The products are widely used in open pit, underground mines, various large-scale infrastructure projects, as well as various drilling and anchoring projects. SD Series Mining DTH Hammer High Air Pressure DTH Hammer 4 Inch SD Series Mining DTH Hammer High Air Pressure DTH Hammer 4 Inch

SD Series Mining DTH Hammer High Air Pressure DTH Hammer 4 Inch SD Series Mining DTH Hammer High Air Pressure DTH Hammer 4 Inch SD Series Mining DTH Hammer High Air Pressure DTH Hammer 4 Inch SD Series Mining DTH Hammer High Air Pressure DTH Hammer 4 Inch Q: Are you a manufacturer ?                                              
A: Yes, we own 2 plants to manufacture various drilling products, including TH (top hammer ) drilling products, DTH drilling products and self-drilling anchor systems.
Meanwhile ,we are authorized distributors for some products we don't produce by ourselves. So we are a one-stop supplier of full range of rock drilling products.
Q: Do you offer warranty on your products ?
A: Yes, for different products we offer different warranty that cover all manufacturing defeats in materials and workmanship . The longest period of warranty is 2 years after shipping date .
Q: Do you offer OEM service ?
A: Yes , we offer OEM service if you have regular requirement .
Q: What kind of payment terms do you offer and what is your best payment terms ?
A: We offer different payment terms, including T/T , D/A, D/P, L/C and O/A ,etc. . Ordinary , our customers pay 30% first as deposit, then we prepare the goods , the balance should be paid before delivery.
Q: How about trade terms ?
A: EXW, FOB, CIF,  CRF are the trade terms we often use , but others are also available . It's up to our customers.



 

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