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More information on the company's website: http://www.elkam.ru/
Rod pumping ShN 16,19,22,25,29
The rods are of circular section metal rod, the ends of which are planted head terminating thread. Company ELKAM delivers post manufactured according to API Standard - 11B, a diameter of 16, 19, 22 and 25 mm class of K, C, D and D spec. We have also developed a unique product - Sucker rod SHNK - 29, Class D, with coupling diameter 54 mm, which allows you to use it with the tubing 73, in contrast to the standard 29th rods, and produce at a depth of over 2,500 meters.