Spray Polished Rod

Spray Polished Rod Function of Polish Rod Polish rod is a kind of special sucker rod connected with sucker rod and beam hanger. It is at the top of sucker rod, need to bear the most strength,so with bigger diameter and higher steel grade than sucker rod, and the surface is very smooth. We also provide: API AISI 4140 Polished Rod, 3/4" Polished Rod. Main function: Combined with packing set in packing box to seal wellhead and prevent oil、gas、water disclosure. Interim connector between sucker rod and mule head hanger. Finishing indicator diagram test. Complete various wellhead operation, such as pump striking, regulating pump setting. CHEMICAL COMPOSITION Sucker rod manufacturer: Found Petroleum Equipment Type specification table: Nominal value Rod body diameter   D  +0.127-0.254（+0.005-0.010） mm（in) Length  Lmm士 50mm  （Lft 士 2in) Thread  nominal diameter   mm（in） mm    (in） Outer thread  shoulder outer diameter Suitable sucker rod size   mm (in) 29 28. 6 (11/8） 2438, 3353, 4877, 6707, 7315, 7925 (8, 11. 16. 22. 24 , 26) 24 （15/16） PR 一 16 (5/8) 27 （1 1/16） PR 一 19 (3/4) 29 28. 6 （11/8）rod-upset on one end 2438, 3353, 4877, 6707 , 7315, 7925                                                 (8. 11, 16. 22 , 24 , 26) 24 (15/16 ) SR 31.8+0.127-0.254        (1.250+0.005-0.010) 16 (5/8) 27 (1 1/16 ) SR 38.1+0.127-0.254        (1.500+0.005-0.010) 19 (3/4) 32 31.8（1 1/4） 3353, 4877， ,6707，7315, 7925 , 9144, * (11, 16, 22 . 24.  26, 30. 36) 30 (1 3/16 ) PR 一 22(7/8) 32 31.8（1 1/4）rod-upset on one end 3353, 4877， ,6707，7315, 7925 , 9144, * (11, 16, 22 . 24.  26, 30. 36) 30 (1 3/16 ) SR 41.3+0.127-0.254        (1.625+0.005-0.010) 22(7/8) 38 38. 1 (1 1/2） 4877, 6707，7315, 79....

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