Double nipple with tapered male thread, R 4" to R 3", zinc plated malleable cast iron, PN 25

The double nipple joins two female threaded ports with a metal-to-metal seal on the tapered male thread. It is supplied with an across flats size of 120 mm. The article is made of zinc plated malleable cast iron. The version is listed with the R 4" thread and the mating thread R 3".

Benefits

• Tapered male thread R 4" to R 3", sealing metal to metal in the thread itself.
• Nominal pressure PN 25 as per the data sheet.
• Across flats 120 mm gives the open-ended spanner a secure grip during tightening.
• Material zinc plated malleable cast iron decides which medium and which surroundings the part suits.
• A through bore runs from R 4" to R 3" without a step in the hexagon.

Applications

In plant and vessel construction the hexagon is tightened across flats of 120 mm.