Bild 206-Series Hammer Union Markets Steel Refining, Steel Melting, Hydraulic Fracturing: Low Pressure Systems Jump to Section Product Options Related Products Product Options Part Number Size Material HU206100 1" Forged Steel HU206150 1-1/2" Forged Steel HU206200 2" Forged Steel HU206250 2-1/2" Forged Steel HU206300 3" Forged Steel HU206400 4" Forged Steel HU206600 6" Forged Steel HU206800 8" Forged Steel Related Products Bild Dixon Complete Assembly Frac Fitting Bild Dixon Male Frac Fitting with Nut Bild Dixon One-Piece Hammer Union Nut Bild Dixon Two-Piece Hammer Union Nut Bild Forged Steel Gate Valve Bild 200-Series Hammer Union Bild One-Piece Flange x Hammer Union 45° Elbow Adapter Bild One-Piece Flange Adapters