ISIFLEX Program / ISIFLEX Couplings Overview
This document is a product catalogue for the ISIFLEX program, detailing various types of couplings offered by Raufoss Water & Gas AS. The catalogue includes technical specifications, dimensions, and assembly instructions for different coupling types.

Technical Information
The ISIFLEX couplings are designed for use with steel and galvanized pipes, providing a tight and tensile connection. They are tested and approved by several European standards organizations, including NBI in Norway and DVGW in Germany. The couplings are made from ductile cast iron with a robust design and are pressure tested to ensure reliability.

Materials and Construction
The couplings are constructed from ductile cast iron with a stable wall thickness and are galvanically coated for corrosion protection. They feature NBR O-rings for water and gas applications, and HTB O-rings for high-temperature gas applications. Bolts are galvanized for sizes 2 1/2” to 4”.

Applications and Working Conditions
ISIFLEX couplings are suitable for cold water and potable water applications from -20˚C to +70˚C, and gas applications from -20˚C to +90˚C with HTB sealing. They can withstand a working pressure of up to 16 bar for water, 5 bar for gas, and 10 bar for air.

Assembly Instructions
For installation on steel/galvanized pipes and PE pipes, the document provides detailed step-by-step instructions, including recommended torque values for tightening. It emphasizes the importance of not rotating the tube or joint body during assembly to avoid damage.

Dimensions and Types
The catalogue lists various types of couplings, including union, repair, reducer, transition, male and female couplings, elbows, and end caps. Each type is detailed with dimensions, weight, and specific application instructions.

Contact Information
The document provides contact details for Raufoss Water & Gas AS and its representatives in various countries, including Germany, France, Denmark, and the UK.