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ISO 9001:2000 Certified Reverse Circulation Hammer with 2 Inch to 12 Inch Range and High Pressure Air Operation

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                                                                                                                                                                                                                                                                                                                Re531 Reverse Circulation Hammers, Construction Reverse Circulation Hammers, Re531 DTH Hammers And Bits
                              

Specification:	2 Inch To 12 Inch	Trademark:	Super Diamond
Origin:	China	HS Code:	8207199000
Supply Ability:	10000	Customization:	Available
Certification:	ISO 9001:2000	Transport Package:	Ply-Wooden Cases For Exporting

Specification:	2 Inch To 12 Inch
Trademark:	Super Diamond
Origin:	China
HS Code:	8207199000
Supply Ability:	10000
Customization:	Available
Certification:	ISO 9001:2000
Transport Package:	Ply-Wooden Cases For Exporting

ISO 9001:2000 Certified Reverse Circulation Hammer with 2 Inch to 12 Inch Range and High Pressure Air Operation

Construction Re531 Reverse Circulation Hammers - Easy Operation Flame Retardant

Advantages: R.C. Drilling, referred to as "Centre Sample Recovery" or "Dual Wall Drilling", employs a Dual Wall Pipe where the drilling medium (normally high pressure air) is passed between the outer and inner tubes down to the face of drilling bit where it is returned up the centre tube along with the sample cut by the drill bit.

No contamination: The R.C. System collects samples through recovery holes in the drill bit face immediately as cuttings are formed, preventing sample loss and contamination during travel through the hammer.
Higher Production: In broken and fractured ground conditions, the R.C. system often outperforms conventional hammers in penetration rates.
Dry Sample: Even in water-bearing strata, dry samples can often be collected as cuttings are captured immediately through the drill bit face.
Higher Sample Recovery: With samples collected through the bit face and proper bit-to-chuck matching, recovery rates up to 98% are achievable with minimal sample bypass.

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