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China, Chinese High-Quality Intermediate Connecting Rod for 3nb Mud Pump1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Mud Circulating SystemHigh-Quality PistonIntermediate Piston
Shandong Rongye Machinery Co., Ltd.
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Product DescriptionIntermediate rod 3NB-350/500/800/1000/1300/1600 The intermediate rod is a crucial connecting component used in some mud pump designs, situated between the crosshead in the power end and the primary piston rod that extends into the fluid end. Its primary function is to effectively lengthen the distance between the crosshead and the piston, which can be necessary for specific pump frame designs or to accommodate different stroke lengths. Like the piston rod, it is subjected to significant alternating tensile and compressive forces as it transmits the full pumping load from the crosshead to the piston rod. It is manufactured from high-strength alloy steel and is heat-treated to withstand these cyclic stresses without fatigue failure. Both ends of the intermediate rod are typically precision threaded to allow for a secure connection to the crosshead adapter on one end and the piston rod on the other. Proper installation is critical, requiring the use of correct tightening torques and often thread-locking compounds to prevent loosening under vibration. The alignment of the entire assembly—crosshead, intermediate rod, and piston rod—must be perfectly straight to avoid imposing bending stresses on any of the components, which would lead to premature failure. In pumps that utilize them, the intermediate rod is a vital part of the load path. Its failure can result in a complete loss of pump function and potentially significant damage to the power and fluid ends. Inspection for thread integrity, straightness, and signs of fatigue is an important part of routine maintenance. Product Description
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