DK-LOK DX-B brass twin-ferrule union cross

Swagelok SS-1VS8 316 stainless steel integral bonnet needle valve with black phenolic knob, 1/2 inch Swagelok tube fitting

DK-LOK DX-B Union Cross (Brass)

The DK-LOK DX-B is a brass union cross twin-ferrule tube fitting with four tube ports arranged in a cross, joining four tube lines of the same outside diameter. The ‘-B’ designation indicates brass construction. It delivers a reusable double-ferrule seal on every port.

Key Features

Brass four-port union cross for four same-size tube ends
Twin (double) ferrule compression seal on each port
Brass body for general-purpose and lower-corrosion service
Available in fractional and metric tube OD sizes
Reusable, predictable swaging make-up
Leak-tight under vibration, vacuum, and impulse conditions

Technical Specifications

Brand: DK-LOK
Part Code: DX-B
Type: Union Cross (Tube-to-Tube)
Fitting Type: Union Cross
Ferrule Design: Twin / double ferrule
Body Material: Brass
Ports: 4 (cross configuration)
Tube OD Range: 1/16 in. to 2 in. (fractional); 2 mm to 38 mm (metric)
Design Standard: Twin-ferrule fitting, tested to ASTM F1387
Working Pressure: Rated by tube size and wall thickness per the DK-LOK catalog. Call for quote.