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PTFE connecting bellows used for glass and metal distribution systems

PTFE connecting bellows are used to eliminate horizontal thermal expansion and vibrations. PTFE connecting bellows - one-way universal glass distribution systems connecting components.

When split swivel-ring flanges are used, steel rings should be bottomed to ensure even sealing.

DN D L Lmin Lmax d1 d2 Operational pressure Temperature °C
 15  15  75  70  79  30  50  4  120
 25  25  75  70  79  42  68  4  120
 40  40  95  90  100  62  88  4  120
 50  50  95  90  100  74  102  4  120
 80  80  100  95  105  110  138  3  120
 100  100  110  105  115  130  158  2  120
 150  150  110  105  115  182  212  2  120
 200  200  110  105  115  232  268  1  120
 300  300  110  105  115  332  370  1  120