Description Pneumatic inflatable rubber mandrel is usually called culvert rubber balloon. It is a kind of cylinder bag that can expand, shrink, used to form concrete component of cavity. It is easy to be used, convenient and durable, is soft and can fold, curly, contraction when it is deflate, it have the enough strength to withstand the...

Introduction Rubber pipe plugs is also called inflatable rubber test balloon in market. It is mainly made of rubber materials. Some types is equipped with strong canvas material to make it bear higher pressure. Our rubber pipe plugs include multi size type and single size type, it is mainly used for testing or repairing pipeline in all kinds of...