Assembled Piston with Replaceable HNBR (Hydrogenated Nitrile Butadiene Rubber) - HNBR Assembled Model

Assembled Piston with Replaceable HNBR (Hydrogenated Nitrile Butadiene Rubber) - HNBR Assembled Model. Replaceable Rubber Insert: Reduces operating expense with USA imported NBR or Chinese high quality NBR options. 100% Interchangeable: Compatible with major global brands including Bomco, Weatherford, and Gardner Denver. High Pressure Forging: Forged hub with world top class heat treatment using AISI 5140/4140/4135 materials. Wide Temperature Resistance: Maximum temperature resistance up to 250F (120C) for demanding drilling conditions. Customized Material Options: Customized material available for piston hub and options for NBR or Polyurethane rubber. Long Service Life: Exceeds API standard with a shelf life of over 12 months under proper storage. Versatile Drilling Fluid Compatibility: Perfect for WBM, SBM, Emulsion, and OBM; suitable for Zirconia and Metal liners. Global OEM Expertise: Over 20 years of expertise with API Q1, 7K, and ISO certified qualifications.