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Industrial Flanges
HL Fittings & Flanges boast the unprecedented array of Flanges while keeping balance with Worldwide Industry norms and Quality with Durability Products.
Slip-On Flanges
Slip-On Flanges slide over the pipe and are welded both internally and externally to provide sufficient strength and prevent leakage. They are preferr...
Blind Flanges
Blind Flanges are manufactured without a center bore and are used to seal or block off the end of a piping system, valve, or pressure vessel nozzle. T...
Weld Neck Flanges
Weld Neck Flanges are characterized by a long tapered hub that goes transitionally to the pipe wall thickness. They are preferred for severe, high-pre...
Threaded Flanges
Threaded Flanges (also known as Screwed Flanges) are bored out to match the pipe outer diameter and have NPT threads inside. They can be attached to p...
Lap Joint Flanges
Lap Joint Flanges are used in conjunction with a lap joint stub end. The flange itself is not welded to the pipe, meaning it can easily rotate to alig...
Socket Weld Flanges
Socket Weld Flanges feature a recess socket in the hub to fit the pipe end, which is then fillet-welded from the outside. Because the pipe sits inside...
Flat Flanges
Flat Flanges (Plate Flanges) are slip-on type flat discs without a hub. They are used in low pressure, low temperature, and non-critical piping applic...
Custom Flanges
We specialize in manufacturing custom flanges designed to proprietary blueprints or specific project standards. These include customized dimensions, o...