
Premium Ductile Iron Threaded Ball Check Valve for Industrial Use. Full Customization: Supports full customization including OEM and ODM services for tailored solutions. Dual Installation Flexibility: Can be installed on both horizontal and vertical pipelines with two-way flow capability. Low Water Hammer Pressure: Valve disc closes quickly to minimize water hammer pressure and closing impact force. High Reliability & Long Life: Simple compact structure ensures high reliability and long service life with low fluid resistance. Strict Quality Control: 100% self-inspection by manufacturers and 20% random factory inspection for all castings. Certified Standards: Complies with BS EN1074-3, AWWA C508, and holds CE and UL product certifications. Established Manufacturer: Factory established in 1994 with 30 years of export experience and 6 production lines.