Steel & Iron Unions

Steel unions and union fittings for hydraulic lines: DIN to male metric connectors (D8400-ED Series), DIN bulkhead unions (D2700-LN Series), MJIC unions (2403 Series) and other union styles. A union joins two lines and can be taken apart without turning the pipe or tube. Bulkhead unions pass through a panel or tank wall and lock with a nut.

Each listing groups the stocked part numbers for one style. Choose size and thread on the product page.

Ships from SupplyTie Fittings & Hydraulics: free freight on all orders, $100 order minimum.