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HD45A High Air Pressure DTH Hammer Without Footvalve For Hard Ground Drilling

Categories Down The Hole Hammer
Brand Name: SOLLROC
Model Number: HD45A
Certification: SGS
Place of Origin: China
MOQ: 1 piece
Price: negotiable
Payment Terms: T/T,
Supply Ability: 10000 pieces/month
Delivery Time: 18 working days
Packaging Details: Cartons + ply wood case (no plastic)
Application: Quarrying, construction
Usage: geothermal drilling
Product name: HD45A hammer
Rock formation: Granite, limestone, quartz, etc
Advantage: Best quality
Color: Black or as request
Rock hardness: Granite, limestone, quartz, etc
Use: Well Drilling,Ore Mining,Coal Mining,Coal/Ore Mining,quarry
Size: 4 inch
Air pressure: High
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HD45A High Air Pressure DTH Hammer Without Footvalve For Hard Ground Drilling


HD45A High Air Pressure DTH Hammer without Footvalve for Hard Ground Drilling


Product description
Sollroc drilling makes and supplies the finest and most efficient Down-the-Hole (DTH) hammers and bits for the mining, construction and water well industries. Sollroc drilling DTH hammers transmit intensive impact energy with low energy loss. This results in good rock breakage, high penetration rates and high productivity. The equipment is designed to give optimal hole quality, reliability, and long service life, as well as the best blasting results and low total operation cost.


Product Advantages:
1. Its ultra high performance features,
2. Hammer connect with drill bits no longer require Foot Valves.
3. The elimination of foot valve associated with the drill bit offers various technical and economical advantages.


DTH Hammer specification:

HD45A hammer

shankHD45A
Length(less bit)1011mm
External diameter92mm/99mm (optional)
Top sub threadAPI 2 3/8”REG
Weight(less bit)39kg
Hole range110mm-130mm
Working pressure1.0-2. 5Mpa(145-362.5psi)
Impact rate at 1.7Mpa30Hz
Recommended rotation speed22-35rpm

other size hammer specification


Hammers
Bit ShankConnection ThreadSuitable bitWorking pressureAir 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
0.7Mpa4.5m3/min
1.0Mpa4m3/min
1.4Mpa5m3/min
3" hammersDHD3.5
COP32/COP34
M30
API 2 3/8"Reg¢90-¢110mm1.0-1.5Mpa1.0Mpa4.5m3/min
1.5Mpa9m3/min
4" hammersDHD340
COP44
QL40
SD4
M40
API 2 3/8"Reg¢105-¢130mm1.0-2.5Mpa1.0Mpa6m3/min
1.8Mpa10m3/min
2.4Mpa15m3/min
5" hammersDHD350
COP54
QL50
SD5
M50
API 2 3/8"Reg/API 3 1/2"Reg¢130-¢156mm1.0-2.5Mpa1.0Mpa9m3/min
1.8Mpa15m3/min
2.4Mpa23m3/min
6" hammersDHD360
COP64
QL60
SD6
M60
API 3 1/2"Reg¢152-¢203mm1.0-2.5Mpa1.0Mpa10m3/min
1.8Mpa20m3/min
2.4Mpa28.5m3/min
8" hammersDHD380
COP84
QL80
SD8
API 4 1/2"Reg¢200-¢279mm1.0-2.5Mpa1.0Mpa15m3/min
1.8Mpa26m3/min
2.4Mpa34m3/min
10" hammersSD10
NUMA100
API 6 5/8"Reg¢254-¢330mm1.0-2.5Mpa1.0Mpa22m3/min
1.8Mpa40m3/min
2.4Mpa55m3/min
12" hammersDHD1120
SD12
NUMA120
NUMA125
API 6 5/8"Reg¢305-¢381mm1.0-2.5Mpa1.0Mpa30m3/min
1.8Mpa56m3/min
2.4Mpa78m3/min


Face shape Features

Concave face is suitable for all-round rock formation, especially for medium hard and homogeneous rock formations,excellent control over hole deviation.

Convex face is suitable for medium hard rock formation.Non abrasive rock formations. High peneration rate.

Flat face is suitable for hard and abrasive rock formation.High peneration rates and resistance to steel wash.


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