Type- Carbon steel/Stainless steel;DIN2440 / BS 1387;welded and seamless
DIN 2982 STANDARD STEEL PIPE NIPPLES
Material: for running nipples,seamless or welded steel tubes according to DIN2441.
For barrel nipples, seamless or welded steel tubes DIN2440,
Thread: running nipples, DIN259; barrel Nipples, DIN 2999.
Finish: black, galvanized and hot-dipped
BS EN10241 STANDARD STEEL PIPE NIPPLES
Material: seamless or welded steel tubes according to BS 1387.
Thread: ISO 7/1 or BS 21.
Finish: black, galvanized and hot-dipped
Long screw pipe nipples
* Double longscrews cannot be supplier in these lengths.
Longscrews should only be used as complete assemblies because component parts of longscrews made by the same or different manufacturers,are not necessarily interchangeable.
Note:
1, The longscrew parallel thread shall to be of such size,that the socket and backnut shall run on the longscrew,hand-tight,without perceptible shake.
2, The socket on the longscrew shall abut the 5 degree angle of the backnut.
3, Longscrews shall be made only from heavy tube.