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Penguin manufactures Sucker rod couplings, Sub couplings and Polished rod couplings in varying sizes of 5/8, 3/4, 7/8, 1-1/8 inches dia. meeting or exceeding the requirements of API Spec 11B. Couplings and Sub couplings are available in alloy steel AISI 4130/8630 grades and are effectively heat treated to meet or exceed mechanical properties as specified in API 11B. All couplings are precision CNC machined to maintain the perpendicularity of coupling face to coupling axis to ensure proper friction sealing while making up with sucker rods.

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Reference Id:#842339
Phone Number:86050-09444
Website URL:Click To Visit
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