DY770,DY776,DY780 Metric & inch

Products Mode: DY770,DY776,DY780
metal bellow seal: metal bellow seals
Two common kinds of metal bellows are pressed and formed metal bellows and welded metal bellows. The pressed metal bellows are made from the tubes elongated and pressed through hydraulic presses and molds,but the welded metal bellows consist of thin metal sheets, welded one by one from the outside diameter.

Working Conditions of metal bellow mechanical seals DY770,DY776 and DY780
Mediums:Oil,light hydrocarbon,aromatic hydrocarbon, organic solvents,weak acids, alkali,Ammonia,etc.Temperature:-75oC~200oC
Pressure: ≤2.0Mpa  Speed: ≤ 23m/Sec
Combined Materials: Stationary Ring(SiC/TC)  Rotary Ring(Carbon/SiC/TC)  Secondary Seal(NBR/EPDM/Viton) 

metal Bellow (Hastelloy-C/Alloy 20/AM350)  Metal Part (Hastelloy-C/Stainless Steel 304, 316)