What is the difference between np3 and np2 hume pipe

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Forgot Password. Type your email id here mandatory! Change Password Type your new password here mandatory! Retype your new password here mandatory! Permeability Test and 3. Three Edge Bearing Test to produce 0. NOTE: 1. The tolerances on Pipes shall be as per clause 8. The length in which the pipes are to be supplied shall be as per the mutual agreement between the purchaser and the supplier.

However, the recommended length above mm Nominal Diameter is 2. Curing of the pipes shall be done as per the Clause 7. The following information shall be shall be clearly marked on the each Finished Pipe. Size of Pipe, b. Class of Pipe, and c.

Name of manufacture. The supplier shall guarantee the Pipes and Collars for a period of 12 months from the date of receipt of the materials by the consignee.