Male thread according to DIN 3853 spec. Bore: form W according to DIN 3861 spec. (instead of the cutting ring, there is a welding nipple possible)

Instead of the dimensions of cutting ring unions we can fabricate the dimensions of twin ferrule unions. They can be delivered with the original parts (nut, two clamp rings) of different manufactures.

Welding nipple with crowned end, suitable for cutting ring connection according to ISO 8434-1 (DIN 2353) spec. or welding nipple according to DIN 19207 spec. or welding nipple according to DIN 16284 spec.

American NPT pipe thread ANSI / ASME B1.20.1 - 1983

Form of weld ends according to DIN 2559 spec.; up to 2mm wall thickness butt weld joint (mark 1), or until 16mm wall thickness welding ends in V-form (mark 22), or to clients specification.

Form of weld ends according to DIN 3239 spec. part 2