
Shuanglin Valve Brass Horizontal Swing Check Valve Threaded Non-Return Valve for Water Systems. Spring-Assisted Swing Design: Ensures rapid positive sealing and effective backflow prevention for horizontal pipelines. Durable Forged Brass Construction: Made from high-quality forged brass with stainless steel spring and PTFE seat for corrosion resistance. Customized Handle Color: Handle color can be customized to meet specific project requirements. Low Pressure Drop: Streamlined flow path minimizes pressure loss for efficient system performance. 100% Air Tightness Testing: Every finished product undergoes 100% air tightness testing before shipment. OEM & ODM Customization: Supports customization of material, size, connection, function, and logo. International Certifications: Certified with ISO9001:2008 and CE for quality and safety assurance.