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Wholesales High Quality and Competitive Price SS316 Material Rhz Check Valve. High Pressure Capacity: Maximum pressure up to 420 bar / 6000 PSI for demanding hydraulic systems. Diverse Thread Options: Available in NPT, SAE, BSP, ORFS, and Metric threads to fit global standards. Premium Material Options: Constructed from Carbon Steel or Stainless Steel with White Zinc coating. OEM and ODM Services: Full customization available including logo labeling and blueprint manufacturing. ISO Certified Quality: Manufactured under ISO9001:2000 with 100% leakage and functionality testing.