Hart Industries
Products
   3000 lb. Threaded FNPT Unions
   3000 lb. Threaded MNPT Unions
   3000 lb. Socketweld Pipe Unions
   3000 lb. Socketweld Tube Unions
   3000 lb. Buttweld Pipe Unions
   Copper Sweat Tube Unions
   6000 lb. Threaded Pipe Unions
   6000 lb. Socketweld Tube Unions
   6000 lb. Buttweld Pipe Unions
   Orifice Unions
   Dielectric Insulated Unions
   Steam Unions
   Handlebar, Lug-Nut Unions 

   O-Ring Information

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HART O-Rings

Viton

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EPDM

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Teflon

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