Grey Subs -Black Nut, Hammer Unions | Parveen Industries Pvt. Ltd.

Fig 1003. Green Subs – Black Nut

These unions have a ball seat incorporating a primary ‘O’ ring seal with a metal secondary seal which assures perfect sealing in misalignment position. Degree of misalignment upto 2” size is 4 and beyond 2” size it is 7 1 /2 . This union is ideally suited for use on high pressure lines. Available in 10000 PSI with end threaded or butt- welded for welding.

Fig 1004. Red Nut – Grey Subs

These union use lip type seal ring end here faces of male and female sub are perfectly square. These are available in 5″ & 6″ butt weld sizes.

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