Double Acting Hydraulic Drilling Jar Type Qysz/API 7-1

• Customization: Available
• After-sales Service: 7X24
• Warranty: 12months
• Model NO.: API 7-1
• Manufacturing Process: CNC Milling
• Surface Treatment: Spray-Paint
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Use: Well Drilling
• Transport Package: Stand Export Package
• Specification: 80-244 mm
• Trademark: LFM
• Origin: China
• Production Capacity: 3000sets/Year

Product Description

Product Description
QYSZIII New Double Acting Hydraulic Drilling Jar is a new hydraulic drilling jar with locking mechanism developed on the basis of the structure of QYSZII double-acting hydraulic drilling jar. Besides the advantages of QYSZII type, it also has the following advantages.

Features

1. The mechanical locking mechanism prevents unnecessary wear of the internal parts during the working process, and improves the workinglife.

2. The mechanical locking mechanism is functional safety and reliability, which is made by special process. The frictionresistance is small,and the lockingforce is linear stability.

3. The locking mechanism can avoid the failurejarring caused by misoperation when connect simple root to the drill string or contact the hole bottom.

Product Parameters

Model		QYSZIII 108	QYSZIII 121	QYSZIII 165	QYSZIII 203	QYSZIII 241
OD  in(mm)		109	122	167	206	244
ID  in(mm)		38	50.8	57(70)	76	76
Working temperature ºC		150
Tensile strength (KN)		1350	1950	3750	6230	8500
Torsional strength (KN·m)		16	25	70	135	165
Unlocking Force (KN)	Up jarring	160±25	180±25	420±25	425±25	425±25
	Down jarring	70±25	80±25	180±25	205±25	205±25
Maximum release force (KN)	Up jarring	250	350	700	1000	1250
	Down jarring	120	180	350	500	650
total stroke in(mm)		20  7/8	25
		530	630

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FAQ

Q1: What's your packing?
A:  Regular packing.

Q2: What's your delivery?
A:  Normally, about 30-45 days.

Q3:  What are the shipping methods?
A: Ocean shipment to the port near from you; Air shipment to the shipment near from your company; Door to door service by  international express.

Q4:  What about the payment options?
 A: In general, we accept T/T. 

Q5:  When can I get the price?
A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in  your  email so that we will detail with your inquiry priority.