OEM Oil 1''~3'' NPT Di Thread End Check Valve 1''~4''

OEM Oil 1''~3'' NPT Di Thread End Check Valve 1''~4''. Anti-Backflow Performance: Ensures one-way flow to prevent backflow pollution and equipment damage in high-pressure environments. NPT Thread Connection: Features American standard taper pipe thread (NPT) for secure pipeline system integration. Cast Iron Material: Constructed from durable cast iron suitable for ordinary temperature and pressure applications. Swing Structure Design: Utilizes automatic opening and closing valve disc mechanism for efficient flow control. ANSI Standard Compliance: Meets American National Standards Institute specifications for industrial reliability. Full Customization Capability: Offers design, casting, processing, assembly, and trademark customization services. Material Certification: Provides dedicated material reports with corresponding furnace numbers for each product. Technical Support: Dedicated team of 7 engineers available to provide professional answers and assembly drawings.