Jar Intensifier Type YJQ
Model “YJQ” Hydraulic Accelerator can be used with Model YSJ Hydraulic Jar and Model CSJ Super Jar. It can be mounted above Top Jar ( It is recommended that 1~3 pieces of drill collar can be connected ) as to obtain more up-jarring. It has the advantages of compact structure, reliable sealing and high strength.
Specifications
| Model | O.D.mm(in) | I.D.mm(in) | Undraw full stroke pullimg loadkN(lbf) | Max. Strokemm(in) | Connection |
Max working LoadkN(lbf) | Tensie Yield Strength kN(lbf) | Max.Working Torgue kN· m(lbf·ft) | Torsional Yield Strength kN·m(lbf·ft) | Lengthmm(in) |
| GJ73 | 73(2-7/8) | 20(13/16) | 90～120(20000~27000) | 218(8 9/16) | 2 3/8 TBG | 300(67000) | 500(112000) | 3(2200) | 4.5(3320) | 2620(103-1/8) |
| GJ80 | 80(3-1/8) | 25.4(1) | 110～150(25000~34000) | 218(8 9/16) | 2 3/8 REG | 350(78000) | 600(135000) | 3(2200) | 6(4400) | 2845(112) |
| GJ89 | 89(3-1/2) | 28(1-1/8) | 130～180(29000~41000) | 218(8 9/16) | NC26 | 450(100000) | 700(157000) | 3.5(2600) | 7(5200) | 2760(108-11/16) |
| YJQ95 | 95(3-3/4) | 28(1-1/8) | 150～200(34000~45000) | 218(8 9/16) | NC26 | 600(135000) | 1000(225000) | 4(2950) | 8(5900) | 2760(108-11/16) |
| YJQ108 | 108(4-1/4) | 31.8(1-1/4) | 200～250(45000~54000) | 335(13 3/16) | NC31 | 600(135000) | 1000(225000) | 4(2950) | 8(5900) | 3878(152-11/16) |
| YJQ44 | 114(4-1/2) | 38.1(1-1/2) | 250～300(54000~67000) | 216(8 1/2) | NC31 | 800(180000) | 1350(303000) | 10(7400) | 20(14800) | 3422(134-3/4) |
| YJQ46Ⅱ | 121(4-3/4) | 38.1(1-1/2) | 300～350(67000~79000) | 234(9 1/5) | NC38 | 1100(247000) | 1700(380000) | 15(11000) | 27(20000) | 3254(128-1/8) |
| YJQ62 | 159(6-1/4) | 57.2(2-1/4) | 600~700(135000~157000) | 337(13 ¼) | NC50 | 1600(360000) | 3600(800000) | 25(18000) | 65(48000) | 4375(172-1/4) |
| YJQ168 | 168(6-5/8) | 57.2(2-1/4) | 600～700(135000~157000) | 338(13 1/4) | NC50 | 1600(360000) | 3600(800000) | 25(18000) | 75(55000) | 4375(172-1/4) |
| YJQ70Ⅱ | 178(7) | 60.3(2-3/8) | 700～800(157000~180000) | 320(12 3/5) | NC50 | 2400(540000) | 4400(990000) | 30(22000) | 80(59000) | 4019(158-1/4) |
| YJQ76 | 197(7-3/4) | 76.2(3) | 900~1000(202000~225000) | 341(13 7/16) | 6 5/8REG | 2650(600000) | 4000(900000) | 30(22000) | 100(74000) | 4238(166-7/8) |
| YJQ80 | 203(8) | 76.2(3) | 900~1000(202000~225000) | 341(13 7/16) | 6 5/8REG | 2800(630000) | 4900(1100000) | 35(26000) | 145(100000) | 4238(166-7/8) |
| YJQ90 | 229(9) | 76.2(3) | 1100~1200(247000~270000) | 330(13) | 7 5/8REG | 3000(670000) | 8000(1800000) | 35(26000) | 160(118000) | 4180(164.57) |
| YJQ241 | 241(9-1/2) | 76.2(3) | 1100~1250(247000~281000) | 330(13) | 7 5/8REG | 3500(780000) | 9850(2200000) | 40(29500) | 180(130000) | 4180(164-9/16) |