Applications
1.Can be used in Zone 1 and Zone 2 and group II A, II B and II C explosive atmosphere and Zone 21 and Zone 22 flammable dust atmosphere;
2. Indoor or outdoor;
3. Can be used in the chemical, petroleum refining, petroleum exploitation, offshore platform, tankers, military industry and other dangerous places for connecting steel pipes, bulkhead unions to make boxes or bridge and steel pipes.

Features
1. The product is made of high-quality carbon steel, and surface is coated with zinc, or it can be made of stainless steel or nickel plated brass; 2. Thread specification can be made-to-order.

Main Technical Parameters and Outline Dimensions