john crane type 670 metal bellow seal
Materials of Construction
Bellows Type 670: Alloy C-276 (UNS N10276) Type 675: Titanium (UNS R52400)
Type 676: AM350 (UNS S35500) Type 680: Alloy 20 (UNS N08020)
Type GL1B: Alloy 625 (UNS N06625)
End-Fittings Type 670: Alloy C-276 (UNS N10276) Type 675: Titanium (UNS R50400)
Type 676: 316L Stainless Steel (UNS S31603) Type 680: Alloy 20 (UNS N08020)
Type GL1B: CrNiMo Steel (Duplex SS)
Faces Carbon, Tungsten Carbide, Silicon Carbide
Static Seals Fluorocarbon, EPR, PTFE-Encapsulated Fluorocarbon, Perfluoroelastomer, Nitrile
Generally pump seals
Single spring mechanical seal
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