API Surface Oilfield Drilling Jar
Goldenman Petroleum Equipment Co., Limited- After-sales Service：24,7
- Warranty：1year
- Manufacturing Process：Forging
- Surface Treatment：Oxidation
- Operation Pressure：None
- Material：Alloy
Base Info
- Model NO.：DJ
- Product Name：API Surface Oilfield Drilling Jar
- Color：Blue
- Transport Package：Export Package
- Trademark：GOLDENMAN
- Production Capacity：150000
Description
DJ70B(7") Parameter O.D. mm (in) 121(4 3/4) 178 (7) Max.Jarring force MN (tf) 0.4(41 +- 5) 0.8 (80 +- 5) Max.Tension Load MN (tf) 1.2(122) 1.5 (153) Sealing Pressure Mpa (kgf/cm2) 20(196) 20(196) Stroke mm (in) 1500 (59) 1220 (48) I.D. mm (in) 32(1 1/4) 51(2) Thread Connection NC38 (3 1/2 IF) NC50 (4 1/2 IF) Closed Length mm (in) 3155 (124.2) 3090 (121.8)