DKM fitting – Extra light LL version of the metric thread NUT
Connection: Sealing head with backed sleeve nut, light row (LL)
Counter connection: U-shape hole, 60° DIN 3863
Thisis popular metric thread is for large size of the metric fittings over DN50 (2 inch), sometimes it has O-ring seal (NBR, viton, EPDM on request)
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