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High air pressure DTH hammer

Product name:DHD35N High air pressure DTH hammer
Hammer Length without bit:899mm
Top sub thread:API23/8"REG PIN
Outside diameter:82(mm)
Weight::25kg
Bit diameter:90-110(mm)
Working Pressure:12-24(Bar)
Air consumption:8-12(M³/min)
Bit shank:DHD3.5

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DTH hammer tools

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Product Details

Description

Generally, the High air pressure DTH hammer is about 0.7-1.2MPa, which is suitable for drilling in hard rock and extremely hard rock formations. The characteristics of high pressure DTH hammer are high drilling speed and high drilling quality, but the noise and vibration are very high, so it is necessary to control the noise and vibration. The High Air Pressure DTH Hammers we provide include DHD/QL/MISSION series, The DHD/QL/MISSION series is a valve less type hammers designed for high performance at low operating air pressure. All critical internal components are heat treated under strict control to maximize tool longevity.
we produces various type of High air pressure DTH hammer which can be compatible with DHD, QL, HP and SD shank of DTH bits and performs very well. The high air pressure DTH hammers are available with or without bottom valve,The high air pressure DTH hammer designed by our company without bottom valve is one of the most advanced designs High DTH pressure hammers transmit intense impact energy with low energy loss. This results in good rock breakage, high penetration and high productivity.

Performance

1. DHD/QL/MISSION series is a valve less type hammers designed for high performance at low operating air pressure.
2. Suitable bits have a strong robust design without foot valve to withstand heavy duty application.
3. DHD/QL/MISSION series hammers maximizes energy output and reduces service requirements.
4. Wear sleeve is not reversible.
5.All critical internal components are heat treated under strict control to maximize tool longevity.

Applications

High air pressure DTH hammers are used toUnderground Mining, Water well, Mining, Quarry etc.

Specification

QL40	Product data:
	Hammer Length without bit:			995(mm)
	Top sub thread:			API 2 3/8"REG PIN
	Outside diameter:			99(mm)
	Weight:			39(KG)
	Bit diameter:			115-140(mm)
	Working Pressure:			12-24(Bar)
	Air consumption:			8-14(M³/min)
	Bit shank:			QL40

	It em Description	Part Number	Item Description	Part Number
	1、Top Sub	QL40-01	8、Piston	QL40-08
	2、O-Ring	QL40-02	9、Bit Retainer Sleeve	QL40-09
	3、Cap	QL40-03	10、Driver Sub	QL40-10
	4、Check Valve	QL40-04	11、Outer Sleeve	QL40-11
	5、Spring	QL40-05
	6、Air Distributor	QL40-06
	7、Inner Cylinder	QL40-07
QL50	Product data:
	Hammer Length without bit:			990(mm)
	Top sub thread:			API 2 3/8" REG PIN
	Outside diameter:			126(mm)
	Weight:			73(KG)
	Bit diameter:			135-155(mm)
	Working Pressure:			12-24(Bar)
	Air consumption:			9-19(M³/min)
	Bit shank			QL50

	Item Description	Part Number	ltem Description	Part Number
	1、Top Sub	QL50-01	8、Piston	QL50-08
	2、O-Ring	QL50-02	9、Bit Retainer Sleeve	QL50-09
	3、Cap	QL50-03	10、Driver Sub	QL50-10
	4、Check Valve	QL50-04	11、Outer Sleeve	QL50-11
	5、Spring	QL50-05
	6、Air Distributor	QL50-06
	7、Inner Cylinder	QL50-07
QL60	Product data:
	Hammer Length without bit:			1080(mm)
	Top sub thread:			API31/2"REG PIN
	Outside diameter:			148(mm)
	Weight:			93(KG)
	Bit diameter:			165-203(mm)
	Working Pressure:			12-24(Bar)
	Air consumption:			11-26(M³/min)
	Bit shank:			QL60
	Item Description	Part Number	Item Description	Part Number
	1、Top Sub	QL60-01	8、Piston	QL60-08
	2、O-Ring	QL60-02	9、Bit Retainer Sleeve	QL60-09
	3、Cap	QL60-03	10、Driver Sub	QL60-10
	4、Check Valve	QL60-04	11、Outer Sleeve	QL60-11
	5、Spring	QL60-05
	6、Air Distributor	QL60-06
	7、Inner Cylinder	QL60-07
QL80	Product data:
	Hammer Length without bit:			1220(mm)
	Top sub thread:			API 4 1/2" REG PIN
	Outside diameter:			180(mm)
	Weight:			177(KG)
	Bit diameter:			195-254(mm)
	Working Pressure:			12-24(Bar)
	Air consumption:			15-34(M³/min)
	Bit shank:			QL80

	Item Description	Part Number	Item Description	Part Number
	1、Top Sub	QL80-01	8、Piston	QL80-08
	2、O-Ring	QL80-02	9、Bit Retainer Sleeve	QL80-09
	3、Cap	QL80-03	10、Driver Sub	QL80-10
	4、Check Valve	QL80-04	11、Outer Sleeve	QL80-11
	5、Spring	QL80-05
	6、Air Distributor	QL80-06
	7、Inner Cylinder	QL80-07
HP40N	Product data:
	Hammer Length without bit:			885(mm)
	Top sub thread:			API 2 3/8"REG PIN
	Outside diameter:			100(mm)
	Weight:			35.5(KG)
	Bit diameter:			115-140(mm)
	Working Pressure:			12-24(Bar)
	Air consumption:			8-14(M³/min)
	Bit shank:			HP4

	Item Description	Part Number	Item Description	Part Number
	1、Top Sub	HP40N-01	8、Piston	HP40N-08
	2、O-Ring	HP40N-02	9、Jump Ring	HP40N-09
	3、Cap	HP40N-03	10、Guide Sleeve	HP40N-10
	4、Check Valve	HP40N-04	11、Bit Retainer Ring	HP40N-11
	5、Spring	HP40N-05	12、Driver Sub	HP40N-12
	6、Air Distributor	HP40N-06	13、Outer Sleeve	HP40N-13
	7、Inner Cylinder	HP40N-07
HP50N	Product data:
	Hammer Length without bit:			970(mm)
	Top sub thread:			API 2 3/8"REG PIN
	Outside diameter:			126(mm)
	Weight:			61.5(KG)
	Bit diameter:			138-165(mm)
	Working Pressure:			12-24(Bar)
	Air consumption:			12-22(M³/min)
	Bit shank:			HP5
	Item Description	Part Number	Item Description	Part Number
	1、Top Sub	HP50N-01	8、Piston	HP50N-08
	2、O-Ring	HP50N-02	9、Guide Sleeve	HP50N-09
	3、Cap	HP50N-03	10、Jump Ring	HP50N-10
	4、Check Valve	HP50N-04	11、Bit Retainer Ring	HP50N-11
	5、Spring	HP50N-05	12、Driver Sub	HP50N-12
	6、Air Distributor	HP50N-06	13、Outer Sleeve	HP50N-13
	7、Inner Cylinder	HP50N-07
DHD35N(35A)	Product data:
	Hammer Length without bit:			899(mm)
	Top sub thread:			API 2 3/8"REG PIN
	Outside diameter:			82(mm)
	Weight:			25(KG)
	Bit diameter:			90-110(mm)
	Working Pressure:			12-24(Bar)
	Air consumption:			8-12(M³/min)
	Bit shank:			DHD3.5

	Item Description	Part Number	Item Description	Part Number
	1、Top Sub	DHD35N-01	8、Piston	DHD35N-08
	2、O-Ring	DHD35N-02	9、Guide Sleeve	DHD35N-09
	3、Cap	DHD35N-03	10、Bit Retainer Ring	DHD35N-10
	4、Check Valve	DHD35N-04	11、O-Ring	DHD35N-11
	5、Spring	DHD35N-05	12、Driver Sub	DHD35N-12
	6、Air Distributor	DHD35N-06	13、Outer Sleeve	DHD35N-13
	7、Inner Cylinder	DHD35N-07

DHD40N(45A)	Product data:
	Hammer Length without bit:			1030(mm)
	Top sub thread:			API 2 3/8"REG PIN
	Outside diameter:			99(mm)
	Weight:			38(KG)
	Bit diameter:			115-140(mm)
	Working Pressure:			12-24(Bar)
	Air consumption:			8-14(M³/min)
	Bit shank			DHD340A、COP44
	Item Description	Part Number	Item Description	Part Number
	1、Top Sub	DHD40N-01	8、Piston	DHD40N-08
	2、O-Ring	DHD40N-02	9、Guide Sleeve	DHD40N-09
	3、Cap	DHD40N-03	10、Bit Retainer Ring	DHD40N-10
	4、Check Valve	DHD40N-04	11、O-Ring	DHD40N-11
	5、Spring	DHD40N-05	12、Driver Sub	DHD40N-12
	6、Air Distributor	DHD40N-06	13、Outer Sleeve	DHD40N-13
	7、Inner Cylinder	DHD40N-07
DHD50N(55A)	Product data:
	Hammer Length without bit:			1187(mm)
	Top sub thread:			API 2 3/8"REG PIN
	Outside diameter:			126(mm)
	Weight:			66(KG)
	Bit diameter:			138-165(mm)
	Working Pressure:			12-24(Bar)
	Air consumption:			9-19(M³/min)
	Bit shank:			DHD350R、COP54

	Item Description	Part Number	Item Description	Part Number
	1、Top Sub	DHD50N-01	8、Piston	DHD50N-08
	2、O-Ring	DHD50N-02	9、Guide Sleeve	DHD50N-09
	3、Cap	DHD50N-03	10、Bit Retainer Ring	DHD50N-10
	4、Check Valve	DHD50N-04	11、O-Ring	DHD50N-11
	5、Spring	DHD50N-05	12、Driver Sub	DHD50N-12
	6、Air Distributor	DHD50N-06	13、Outer Sleeve	DHD50N-13
	7、Inner Cylinder	DHD50N-07

DHD60N(65A)	Product data:
	Hammer Length without bit:			1240(mm)
	Top sub thread:			API 3 1/2"REG PIN
	Outside diameter:			148(mm)
	Weight:			110(KG)
	Bit diameter:			165-203(mm)
	Working Pressure:			12-24(Bar)
	Air consumption:			12-22(M³/min)
	Bit shank			DHD360、COP64
	Item Description	Part Number	Item Description	Part Number
	1、Top Sub	DHD60N-01	8、Piston	DHD60N-08
	2、O-Ring	DHD60N-02	9、Guide Sleeve	DHD60N-09
	3、Cap	DHD60N-03	10、Bit Retainer Ring	DHD60N-10
	4、Check Valve	DHD60N-04	11、O-Ring	DHD60N-11
	5、Spring	DHD60N-05	12、Driver Sub	DHD60N-12
	5、Spring	DHD60N-05		DHD60N-12
	6、Air Distributor	DHD60N-06	13、Outer Sleeve	DHD60N-13
	7、Inner Cylinder	DHD60N-07
DHD80N(85A)	Product data:
	Hammer Length without bit:			1359(mm)
	Top sub thread:			API4 1/2"REG PIN
	Outside diameter:			180(mm)
	Weight:			175(KG)
	Bit diameter:			195-254(mm)
	Working Pressure:			12-24(Bar)
	Air consumption:			15-28(M³/min)
	Bit shank			DHD380、COP84
	Item Description	Part Number	Item Description	Part Number
	1、Top Sub	DHD80N-01	8、Piston	DHD80N-08
	2、O-Ring	DHD80N-02	9、Guide Sleeve	DHD80N-09
	3、Cap	DHD80N-03	10、Bit Retainer Ring	DHD80N-10
	4、Check Valve	DHD80N-04	11、O-Ring	DHD80N-11
	5、Spring	DHD80N-05	12、Driver Sub	DHD80N-12
	6、Air Distributor	DHD80N-06	13、Outer Sleeve	DHD80N-13
	7、Inner Cylinder	DHD80N-07

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QUALITY INSPECTION PROCESS

Product quality is one of the core links in the development and growth of Yanggu Henglong Engineering Co., Ltd. Our company has strict internal and external inspection processes to ensure the quality of our products. Our inspection process for our products is as follows.

DTH hammer tools