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Trending ProductsWashover Pipe - Two-Way Shock Sub Type SJ – Gaofeng

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Two-Way Shock Sub Type SJ Model “SJ” Two-Way Shock Sub should be mounted on drill string which is near the bit. It can slow or sorbs the longitudinal bounce and peripheral torque impact of drill bit (drill string) simultaneously. It should realize the best fitting of drill pressure and rotation rate as to reduce the drill cost and improve the drilling efficiency. It can be used for the drill-in or coring of hard layer, gravel layer and soft-hard interlayer. Specifications  Model  O.D. mm...


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Trending ProductsWashover Pipe - Two-Way Shock Sub Type SJ – Gaofeng Detail:

Two-Way Shock Sub Type SJ

Model “SJ” Two-Way Shock Sub should be mounted on drill string which is near the bit. It can slow or sorbs the longitudinal bounce and peripheral torque impact of drill bit (drill string) simultaneously. It should realize the best fitting of drill pressure and rotation rate as to reduce the drill cost and improve the drilling efficiency. It can be used for the drill-in or coring of hard layer, gravel layer and soft-hard interlayer.

Specifications

 Model  O.D.

mm(in)

 I.D.

mm(in)

 Connection   Max working Load kN(lbf) Max working Torgue kN·m(lbf·ft) Max.Drill preessure  kN(lbf)  Max. working stroke

mm(in)

 Rigidity

kN/cm

 Length mm(in)
SJ121 121(4-3/4) 38.1(1-1 /2) NC38 1000(224800) 10(7300) 300(67000) 100(3-15/16) 3.0~5.0 4208(165-5/8)
SJ159 159(6- 1/ 4) 48(1-7/8) NC46 1500(337200) 15(11000) 350(78600) 120(4-3 /4) 5494(216-1/4)
SJ165 165(6-1/2) 48(1-7/8) NC46 1500(337200) 15(11000) 350(78600) 120(4-3/4) 5494(216-1/4)
SJ178 178(7) 57.2(2-1/4) NC50 1500(337000) 15(11000) 350(78600) 120(4-3/4) 5735(225-3/4)
SJ203 203(8) 65(2-1/2) 6 5/8REG 2000(449000) 20(14000) 450(101000) 120(4-3/4) 6080(239-3/8)
SJ229 229(9) 71.4(2-3/4) 7 5/8REG 2000(449000) 20(14000) 540(121000) 140(5-1/2) 6080(239-3/8)
SJ254 254(10) 71.4(2-3/4) 8 5/8REG 2500(562000) 25(18000) 600(134000) 120(4-3/4)
6400(251-15/16)
SJ279 279(11) 76.2(3) 8 5/8REG 3000(674000) 30(22000) 600(134000) 160(6-1/4)
5580(219-11/16)

Product detail pictures:

Trending ProductsWashover Pipe -
 Two-Way Shock Sub Type SJ – Gaofeng detail pictures

Trending ProductsWashover Pipe -
 Two-Way Shock Sub Type SJ – Gaofeng detail pictures

Trending ProductsWashover Pipe -
 Two-Way Shock Sub Type SJ – Gaofeng detail pictures

Trending ProductsWashover Pipe -
 Two-Way Shock Sub Type SJ – Gaofeng detail pictures


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Innovation, quality and reliability are the core values of our company. These principles today more than ever form the basis of our success as an internationally active mid-size company for Trending ProductsWashover Pipe - Two-Way Shock Sub Type SJ – Gaofeng , The product will supply to all over the world, such as: Switzerland , Atlanta , Jamaica , We are seeking the chances to meet all the friends from both at home and abroad for the win-win cooperation. We sincerely hope to have long-term cooperation with all of you on the bases of mutual benefit and common development.
  • Adhering to the business principle of mutual benefits, we have a happy and successful transaction, we think we will be the best business partner.
    5 Stars By Novia from Madagascar - 2015.09.16 11:31
    High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.
    5 Stars By Eden from Ireland - 2015.06.19 10:42
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