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Flowserve dura double vra-c mechanical seal 3.5", 316SS


Poster: 621143224@iowa-industrial.com

Flowserve dura double vra-c mechanical seal 3.5", 316SS

ITEM: FLOWSERVE Double Inside RW/SRW DURA SEAL VRA-C Dry Running Mechanical Seal (recommended barrier fluid is humidified nitrogen), drawing indicates for use in Glass-Lined vessels, Shaft Size 3.500", Part Code 165218-BASE, Material Code 7E/E ND -/7 - - G-P3/G-33 - /V(1), No. 19 carbons, Kalrez and Viton O-rings.
NOTE: It appears from the seal's excellent condition that this seal was installed and may have failed immediately after installation, probably due to improper installation or lack of barrier fluid which are, of course, the primary reasons for premature seal failure. This was also not rare on "dry running" seals where improper humidification of the nitrogen is also a big culprit.
CONDITION: USED, metal parts are in SUPERB CONDITION, one carbon face looks almost new and one face is visibly worn, in ORIGINAL FACTORY PACKAGING inc. Original Drawing (#2D-289642), Installation Instructions, Krytox lubricant.
SOURCE: From a major pharmaceutical manufacturer, surplus to their ongoing operations.
SOLD ELSEWHERE FOR APPROX.: $3,000 New
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Flowserve dura double vra-c mechanical seal 3.5 Flowserve dura double vra-c mechanical seal 3.5