In this brochure, Jianzhi brand threaded pipe fittings in malleable cast iron conform to the international IOS49 and the European EN 10242 standards. The connecting threads conform the international ISO 7-1 and to the European EN 10226. The material used is highly quality blackheart malleable cast iron
in accordance with the requirements of EN 1562: EN-GJMB-350-10 (ISO5922). These products are primarily used in installations connected to water, gas, oil and other fluid systems. The main function of these fittings is to connect pipes or to change the
direction of fluid flow.