Report copyright - NAF-Triball ball valves Fk 25.622(6)GB · 4 Nut ASTM A492 Typ 304 5 Washer ASTM A167 Typ 304 6* Box packing + O-ring PTFE resp. Viton 7 Stem ASTM A276 Typ 316 8* Bearing washer PTFE
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