hot dip galvanized nipples and fittings weifang manufacturer

  The interior and exterior surfaces of nipples are free from defect with a smooth welded seam, and are thoroughly and evenly coated with zinc with hot dip galvanizing process, so that metal-to-metal contact and galvanic protection against corrosion are provided, the nipples with short length are electric plated and the longer length ones adopt the clear post-galvanizing coating to provide further protection against corrosion.

  Nipples are produced in normal trade sizes from 1/2" to 6", the lengths of the nipples including close nipples,1-1/2", 2", 2-1/2",3",3-1/2",4" 5",6",8",10",12" or according to customer's request.

  The nipples are used to connect the rigid steel conduit to extend the length of the conduit.

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