Extension Rod
Shaanxi Rongle Petroleum Machinery Co.,Ltd is one of the best China extension rod manufacturers and suppliers,Website:, and also a professional company and factory, welcome to import quality extension rod products from us.The intermediate rod is the critical part for the power end outlet of the mud pump. The larger end connects the crosshead and the smaller one connects the piston rod through the clamp. Its excircle is sealed by the two-lip seal abd O ring in the stuffing box. The blank of the intermediate rod is 45 steel forging. The excircle went through hard chromium plating treatment. The roughness is Ra0.4.
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