This manual covers Baoshuo socket joint steel-plastic fittings — the double-socket coupling, socket-to-flange adapter, spigot-to-flange adapter, elbow, tee and cross. These fittings form rigid, pressure-tight joints for UPVC and PVC-M pipelines. A steel sleeve with rubber sealing rings compresses onto the plain (spigot) pipe ends. Suitable for UPVC and PVC-M piping systems.
Changzhou Baoshuo Pipe Fittings Co., Ltd.
ISO-certified manufacturer of pipe repair clamps, connectors, and expansion joints.
Products
Quick Links
Contact
© 2026 Changzhou Baoshuo Pipe Fittings Co., Ltd.. All rights reserved.