China PVC-M Pipe Manufacturer, Supplier, Factory

The sealing principle of the GT type interface of GT type ductile iron pipe is similar to that of the T type interface. As the internal pressure of the pipeline increases, the tighter the contact surface between the rubber ring sealing sleeve and the socket, the better the sealing effect.

A butterfly valve is a structurally simple and compact fluid control valve. Its core components include a valve body, a rotatable disc-shaped "butterfly" plate, a stem that drives the disc, and a sealing seat. The valve operates through a 90-degree rotational motion: when opening, the disc rotates from a position perpendicular to the pipeline axis (closed state) to parallel with it (fully open), allowing unobstructed flow; when closing, the disc rotates 90 degrees back to block the flow path, with its edge pressing tightly against the seat to form a sealed ring, thereby stopping fluid flow.

Selecting the right piping material is crucial for long-term performance, cost efficiency, and safety in water supply, drainage, and industrial applications. This article explores the differences between UPVC and HDPE pipes, their key properties, applications, installation methods, and maintenance requirements to help businesses and engineers make informed decisions.

PVC-M pipe, fully termed Modified Polyvinyl Chloride Pipe for Impact Resistance, represents an advanced evolution of traditional PVC-U (unplasticized polyvinyl chloride) piping. Its core breakthrough lies in polymer toughening technology, which introduces elastomer particles (such as chlorinated polyethylene CPE or acrylic copolymer ACR) into the PVC matrix to form a "sea-island" composite structure. This modification enhances impact strength by 3-5 times and increases elongation at break by over 50% compared to PVC-U, fundamentally addressing the inherent brittleness and susceptibility to sudden fracture in conventional PVC-U pipes.

The All Socket Tee redefines piping nodal integrity through structural continuity, eliminating inherent weak interfaces of mechanical joints. It thus operates as a critical safety and efficiency enabler in zero-failure-tolerance scenarios—from toxic gas containment and pulsating pump lines to biopharmaceutical purification systems.

The contact pressure generated by the compression deformation of the rubber ring acts as a self-sealing, and the hard rubber part of the rubber ring acts as a fixed centering function. The interface can be deflected to adapt to a certain foundation settlement and achieve long-distance steering installation.