Waterproof casings are essential for sealing and protecting pipes that pass through concrete walls in underground or wet environments. This article outlines the types, structures, advantages, and common applications of waterproof casings, as well as installation and maintenance guidelines. Our company offers customizable, durable, and corrosion-resistant casing solutions for a wide range of engineering projects.

Duckbill check valves are flexible, rubber-based, self-operating non-return valves used in drainage and anti-backflow systems. This article introduces their structure, benefits, applications, and technological evolution. With outstanding sealing, corrosion resistance, and low maintenance, they are ideal for stormwater and wastewater control. Our company offers fully customized solutions and global support.

Flexible non-metallic expansion joints are high-performance flexible connectors made from fabric-reinforced composite materials, ideal for use in high-temperature and corrosive environments such as flue gas ducts and industrial piping systems. This article introduces their structure, functions, advantages, applications, and development trends, highlighting their critical role in modern industry. As an experienced manufacturer, we provide tailored solutions with full technical support.

The dismantling joint is a critical pipeline component that enables convenient installation, removal, and compensation for axial movement. Widely used in water treatment, pump stations, and chemical plants, it helps optimize system reliability and maintenance efficiency. This article outlines its structure, core functions, benefits, applications, and development trends. As a trusted manufacturer, we offer standard and custom-designed joints for global projects. Contact us for product information and support.