Flexible Rubber Joints
Changmao describes rubber-bodied, flanged flexible joints for pipe and pump or valve connections.
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Changmao Valve Group
The catalogue includes circular and rectangular duct compensators in metal and non-metal constructions; select the actual arrangement by duct geometry and movement.
Describe the duct shape, dimensions, gas conditions, required movements and installation space. Request the offered metallic or non-metallic compensator arrangement and connection drawing, with temperature, movement and support requirements established for the actual ventilation system. Request the current catalogue or drawing for this item, and confirm the offered configuration and supporting documents with the company before specifying an order.
Changmao Valve Group · Zhengzhou, Henan
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Source reviewed: 2026-11-12. This directory summary organises the supplier’s published product information.
Back to company product centerChangmao describes rubber-bodied, flanged flexible joints for pipe and pump or valve connections.
View product →The supplier describes telescopic expansion-joint assemblies separately from its rubber joints and bellows products.
View product →This family combines stainless steel bellows with flanges or pipe ends; the catalogue distinguishes several pressure-balanced and connection arrangements.
View product →Changmao own description distinguishes flanged and clamped duckbill outlets for one-way drainage and sewage applications.
View product →Changmao lists several flange constructions and material choices; individual size, facing and standard must follow the selected flange rather than a range-wide assumption.
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