API 681 standard liquid ring vacuum pump
Posted on Fri, 04 Dec 2020 05:59:14 +0000
API 681 liquid ring vacuum pumps for petroleum, chemical and gas industries 1. Range 1. 1 This standard includes the design of vacuum pumps and compressors and the design of their systems.More applications. 1.2 The key to system design lies in the correct operation of vacuum pump and compressor....
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