Ceramic Ferrules For Heat Exchanger

Tube inserts and tube ferrules are a metal inserted into the end of a heat exchanger tube to provide protection to the tube mouth ends of a shell tube type heat exchanger.

Ceramic ferrules for heat exchanger. Both in the inlet and outlet ends. These ferrules exhibit excellent mechanical wear resistance corrosion resistance and thermal. Ceramic ferrule for waste heat boilers the waste heat boiler whb is arguably the most fragile part of an sulfur recovery unit sru and is subject to sudden and very costly failure. The need for this tube ferrule arises as all tube failures occur within the first few inches of the heat exchanger tube inlet end.

The requirement for this ferrule arises as all tube failures occur within the first few inches of the heat exchanger tube inlet end. Ceramic ferrules are used at the inlet of the shell tube type heat exchanger to protect the tube inlets from hot gas corrosion and abrasive particle erosion. To protect tube ends from the effects of turbulence 2. Tube inserts and tube ferrules are a metal plastic or polymer inserted into the end of a heat exchanger tube to provide protection to the tube mouth ends of a shell tube type heat exchanger.

The most common failure is the tube to tubesheet joint where temperature can become unacceptably high causing the welds to fracture and the joints to fail. Ns industries is a distributor of american made pressure tubing including boiler tubes condenser tubes heat exchanger tubing boiler pipe ferrules boiler tube plugs. The ferrules can be removed inspected and if necessary sent back to the factory for new ceramic fiber paper and taping before returning to the unit. Reliable oxytron oxide bonded silicon carbide wear resistant and high temperature ferrules are designed to be inserted in heat exchangers.

Ferrule design and installation for insulation of sru tubesheets domenica misale lyttle. Ferrules for heat exchangers description heat exchange ferrules are used. To carry tube side fluid through a ceramic or heat resistant tube sheet coating we also manufacture ferrules of different types as per. The purpose of a tube insert is to either be sacrificial to the effects of inlet end erosion corrosion impingement to induce a fluid to fall on the id of a tube in a falling.

Techno cera ferrules are manufactured using 98 high alumina. Ceramic ferrules for boilers. The sru waste heat exchanger boiler continues to be a significant operational integrity consideration. To bring a hot tube side fluid past the inner face of the tube sheet 3.

The design does not have any metal to metal contact from the ferrule to the tube sheet or the heat exchanger tube. The panel members will present a brief summary of the past integrity issues state of the art solutions and. Tube insert and ferrule are the same products a metal plastic or ceramic tube that is inserted into the end of a heat exchanger tube to provide a specific function. Asme sa 178 asme 214 tube large inventory precision cutting quick delivery.