1、Strong connection, high pressure resistance, tightness and repeatable installation, the installation and maintenance are simple and convenient, and the work is safe and reliable. 2、No welding is needed, which is good for fire prevention, crack prevention, high‑altitude operation and can eliminate the disadvantages caused by inadvertent welding. 3、The surface of the connector is finely ground by a special process, slick and delicate, the interior is clean and bright, and the tolerance control is accurate. 4、Selected high‑quality stainless steel 316 materials, all inspection indicators meet the standards. 5、Break the traditional installation method, double ferrule type installation, environmental protection, reusable, simple and convenient operation, and can be removed freely. 1 x Double Ferrule Bulkhead Connector Condition: 100% Brand NewItem Type: Double Ferrule Bulkhead ConnectorMaterial: 316 Stainless SteelPurpose: Suitable for occasion when water pipes, gas pipes and oil pipes need to be worn through the wall when connectingThread Specification  Other TitlesExternal Thread Size Internal Thread Size  Error Ф1/2 DN15  20.3mm / 0.8in  19.5mm / 0.8in  0.3mm / 0.011in