| 摘要 |
An insulated valve cover (2) for use on a non-cylindrical valve (4). Valve cover (2) comprises a plurality of parts (30, 32, and 34) which may be releasably secured together by encircling straps (62). The valve covers parts (30, 32, and 34) are shaped to fit around a given valve (4). Preferably, the valve cover parts (30, 32, and 34) are made from a high density substantially rigid fiberglass installation.
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