
800 Series Check Valve for Sale. Dual Check Design: Spring tensioned dual check valve with soft sealing AlBr plates for silent operation. Corrosion Resistant: Nodular cast iron body with NBR or EPDM liner for durability in water and wastewater. Wide Application: Suitable for food, beverage, chemical, petrochemical, shipbuilding, and power plant industries. OEM/ODM Service: Professional R&D team available to manufacture products according to customer requests. Comprehensive Certification: ISO9001, CE, DNV, LR, CCS, FM/UL, and BV certifications available upon request. Flexible Customization: Customizable body material, size (DN50-600), connection, and color based on customer needs. 15 Years Experience: Specializing in flow control for over 15 years with a global customer base in 60+ countries. Reliable Warranty: 12 months warranty covering quality problems, with options for extended periods upon request.