Union, based on the introduced technologies from foreign countries, including threading, welding ends and H2S service unions. sizes ranging from 1" to 6"and WP rating ranging from 1000psi to 20000psi.Unions with different pressure ratings will be painted in different colors.
Seal rings, are made of quality rubble compound with greatly enhance load-bearing capacity and sealing performance and protect connectors from erosion.
Fast Installation, wing nuts and right ACME will insure quick installation or disassemble without special tools.
Highly Interchangeable, all unions can be interchanged with products in international market, seal rings, marks of size and pressure in wing nuts are also high interchangeable products.