Low Air Pressure DTH Hammers-Zhengzhou Kaishan Mechanical & Electrical Equipment Co., Ltd.

Applications

The DTH hammers are widely used in open-pit mining, underground mining, anchoring.quarrying, construction, etc.

Features of Low Air Pressure DTH Hammers

1 The operating air pressure are between 0.7Mpa and 1.75Mpa
2 Valveless hammers.
3 Simple structure, easy to assemble and to disassemble, long life span.
4 Higher impact frequency and faster drilling speed.
5 Lower air consumption and lower oil consumption. A hole can be drilled on the check valve to provide more efficient cuttings discharge.
6 Especially suitable for quarrying.

KLD-76A

Item Description	Part Number
1.Top Sub	KLD76A-01
2. Cap	KLD76A-02
3. Check Valve	KLD76A-03
4. Spring	KLD76A-04
5. Shim	KLD76A-05
6. Rubber Ring	KLD76A-06
7. Valve Cap	KLD76A-07
8. Valve	KLD76A-08
9. Air Distributor	KLD76A-09
10.Inner Cylinder	KLD76A-10
11. Piston	KLD76A-11
12. Guide Sleeve	KLD76A-12
13. Driver Sub	KLD76A-13
14. Outer Sleeve	KLD76A-14

Hammer Length Without Bit	811mm
Top Sub Thread	F48X10PIN
Outside Diameter	66mm
Weight	13.5kg
Bit Diameter	76mm
Working Pressure	58-145psi (4-10bar)
Air Consumption	214-357cfm (6-10m3/min)
Bit Shank	CIR70

KLD-90A

Item Description	Part Number
1.Top Sub	KLD90A-01
2. Cap	KLD90A-02
3. Check Valve	KLD90A-03
4. Spring	KLD90A-04
5. Shim	KLD90A-05
6. Rubber Ring	KLD90A-06
7. Valve Cap	KLD90A-07
8. Valve	KLD90A-08
9. Air Distributor	KLD90A-09
10.Inner Cylinder	KLD90A-10
11. Piston	KLD90A-11
12. Guide Sleeve	KLD90A-12
13. Driver Sub	KLD90A-13
14. Outer Sleeve	KLD90A-14

Hammer Length Without Bit	855mm
Top Sub Thread	F48X10PIN
Outside Diameter	80mm
Weight	22kg
Bit Diameter	90-120mm
Working Pressure	73-145psi (5-10bar)
Air Consumption	245-420cfm (7-12m3/min)
Bit Shank	CIR90

KLD-110B

Item Description	Part Number
1.Top Sub	KLD110B-01
2. Cap	KLD110B-02
3. Check Valve	KLD110B-03
4. Spring	KLD110B-04
5. Shim	KLD110B-05
6. Rubber Ring	KLD110B-06
7. Valve Cap	KLD110B-07
8. Valve	KLD110B-08
9. Air Distributor	KLD110B-09
10.Inner Cylinder	KLD110B-10
11. Piston	KLD110B-11
12. Guide Sleeve	KLD110B-12
13. Driver Sub	KLD110B-13
14. Outer Sleeve	KLD110B-14

Hammer Length Without Bit	871mm
Top Sub Thread	API 23/8”REG BOX
Outside Diameter	98mm
Weight	33kg
Bit Diameter	110-150mm
Working Pressure	73-145psi (5-10bar)
Air Consumption	245-420cfm (7-12m3/min)
Bit Shank	CIR110

KLD-130B

Item Description	Part Number
1.Top Sub	KLD130B-01
2. Cap	KLD130B-02
3. Check Valve	KLD130B-03
4. Spring	KLD130B-04
5. Shim	KLD130B-05
6. Rubber Ring	KLD130B-06
7. Valve Cap	KLD130B-07
8. Valve	KLD130B-08
9. Air Distributor	KLD130B-09
10.Inner Cylinder	KLD130B-10
11. Piston	KLD130B-11
12. Guide Sleeve	KLD130B-12
13. Driver Sub	KLD130B-13
14. Outer Sleeve	KLD130B-14

Hammer Length Without Bit	890mm
Top Sub Thread	API 23/8”REG BOX
Outside Diameter	112mm
Weight	48.5kg
Bit Diameter	130-175mm
Working Pressure	73-145psi (5-10bar)
Air Consumption	245-420cfm (7-12m3/min)
Bit Shank	CIR110/CIR130

KLD-150A

Item Description	Part Number
1.Top Sub	KLD150A-01
2. Cap	KLD150A-02
3. Check Valve	KLD150A-03
4. Spring	KLD150A-04
5. Shim	KLD150A-05
6. Rubber Ring	KLD150A-06
7. Valve Cap	KLD150A-07
8. Valve	KLD150A-08
9. Air Distributor	KLD150A-09
10.Inner Cylinder	KLD150A-10
11. Piston	KLD150A-11
12. Guide Sleeve	KLD150A-12
13. Driver Sub	KLD150A-13
14. Outer Sleeve	KLD150A-14

Hammer Length Without Bit	904mm
Top Sub Thread	F70X10 BOX
Outside Diameter	136mm
Weight	70kg
Bit Diameter	150-200mm
Working Pressure	73-145psi (5-10bar)
Air Consumption	350-560cfm (10-16m3/min)
Bit Shank	CIR150

KLD-170A

Item Description	Part Number
1.Top Sub	KLD170A-01
2. Cap	KLD170A-02
3. Check Valve	KLD170A-03
4. Spring	KLD170A-04
5. Shim	KLD170A-05
6. Rubber Ring	KLD170A-06
7. Valve Cap	KLD170A-07
8. Valve	KLD170A-08
9. Air Distributor	KLD170A-09
10.Inner Cylinder	KLD170A-10
11. Piston	KLD170A-11
12. Guide Sleeve	KLD170A-12
13. Driver Sub	KLD170A-13
14. Outer Sleeve	KLD170A-14

Hammer Length Without Bit	1030mm
Top Sub Thread	F100X28 PIN
Outside Diameter	156mm
Weight	96kg
Bit Diameter	170-250mm
Working Pressure	73-145psi (5-10bar)
Air Consumption	420-630cfm (12-18m3/min)
Bit Shank	CIR170

KLD-200A

Item Description	Part Number
1.Top Sub	KLD200A-01
2. Cap	KLD200A-02
3. Check Valve	KLD200A-03
4. Spring	KLD200A-04
5. Shim	KLD200A-05
6. Rubber Ring	KLD200A-06
7. Valve Cap	KLD200A-07
8. Valve	KLD200A-08
9. Air Distributor	KLD200A-09
10.Inner Cylinder	KLD200A-10
11. Piston	KLD200A-11
12. Guide Sleeve	KLD200A-12
13. Driver Sub	KLD200A-13
14. Outer Sleeve	KLD200A-14

Hammer Length Without Bit	1058mm
Top Sub Thread	F100X28 PIN
Outside Diameter	182mm
Weight	130kg
Bit Diameter	200-250mm
Working Pressure	73-145psi (5-10bar)
Air Consumption	560-700cfm (16-20m3/min)
Bit Shank	CIR200

KMD-M3''

Item Description	Part Number
1. Top Sub	KMDM3-01
2. О-Ring	KMDM3-02
3. Cap	KMDM3-03
4. Check Valve	KMDM3-04
5. Spring	KMDM3-05
6.Air Distributor	KMDM3-06
7. Inner Cylinder	KMDM3-07
8. Piston	KMDM3-08
9. Jump Ring	KMDM3-09
10. Guide Sleeve	KMDM3-10
11. O-Ring	KMDM3-11
12. Driver Sub	KMDM3-12
13. Bit Retainer Ring	KMDM3-13
14. Driver Sub	KMDM3-14
15. Outer Sleeve	KMDM3-15

Hammer Length Without Bit	870mm
Top Sub Thread	F48X10PIN
Outside Diameter	80mm
Weight	24kg
Bit Diameter	90-120mm
Working Pressure	145-189psi (10-13bar)
Air Consumption	280-350cfm (8-10m3/min)
Bit Shank	CIR90/M3

KMD-M4''

Item Description	Part Number
1. Top Sub	KMDM4-01
2. О-Ring	KMDM4-02
3. Cap	KMDM4-03
4. Check Valve	KMDM4-04
5. Spring	KMDM4-05
6.Air Distributor	KMDM4-06
7. Inner Cylinder	KMDM4-07
8. Piston	KMDM4-08
9. Guide Sleeve	KMDM4-09
10. O-Ring	KMDM4-10
11. Driver Sub	KMDM4-11
12. Bit Retainer Ring	KMDM4-12
13. Driver Sub	KMDM4-13
14. Outer Sleeve	KMDM4-14

Hammer Length Without Bit	848mm
Top Sub Thread	API 23/8” REG BOX
Outside Diameter	104mm
Weight	34kg
Bit Diameter	115-150mm
Working Pressure	145-189psi (10-13bar)
Air Consumption	280-420cfm (8-12m3/min)
Bit Shank	CIR110/M4