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API Certified Mud Pump Discharge Pulsation Dampener, Diaphragm/Capsule/Bladder & Assembly Parts. API & ISO Certified Quality: Certified by API Q1, 7K, ISO, and approved by major oil companies globally. Customized Material Options: Standard AISI 5140/4135 or customized materials available per specific requirements. Advanced Surface Treatments: Options include Chrome Plating, exclusive Ni-Cr Alloy Spray, and Tungsten Carbide. Long Service Life: Designed to far exceed API standards with enhanced abrasion and corrosion resistance. Full Interchangeability: Products are fully interchangeable with major pump models and available in all sizes. World-Class Manufacturing: Utilizes state-of-art CNC machining, heat treatment, and strict QC procedures.