GLASS – TO – KOVAR
Direct Seals: kovar several glasses (7040, 7052, 7056).
Graded seals: kovar to 7070, 7720, 7740 (Pyrex).
Temperature range: -270°C to 425°C.
Kovar may undergo a phase change below -80°C although kovar has a transformation point below -195°C.
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GLASS – TO – COPPER
Not available at this moment. Direct Seals: OFHC copper to any glass from 0080 to 7740 (pyrex). Temperature range: -270°C, to temperature just below the softening point of the glass used. |
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GLASS – TO – STAINLESS STEEL
Direct Seals: Stainless Steel 304 to any glass from 0080 to 7740 (Pyrex) Temperature range: -270°C to 450°C Seals with other types of stainless steels are available on request. |
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STAINLESS STEEL BELLOWS TO PYREX 7740 There are several standard options including PYREX glass on one end and standard cuff, heavy cuff or flange at other end or PYREX glass on both ends. Standard bellows are available in two different flex lengths. Bellows with special diameters, flex lengths, glass types, and flanges are available as custom order items.
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