Can the inlet filter of a reciprocating compressor be installed horizontally?

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This post was last edited by Dongdong de Feng001 on 2025-11-27 at 08:32. The reciprocating compressor’s inlet filter is of the Y-type and is installed vertically. The medium being processed is acidic gas; more precisely, the acidic gas undergoes water washing in a water scrubber → then passes through a gas-liquid separator (equipped with a defoamer) → followed by another gas-liquid separator → a hydrocyclone (whose effect is limited) → and finally the Y-type filter before entering the compressor. Question 1: During winter operation, it was observed that there was visible water inside the Y-type filter. Upon drainage testing, the volume of water collected was approximately 1200 ml per hour during nighttime when temperatures were low, and around 800 ml per hour during daytime when temperatures were higher. If this accumulated water within the filter is not drained, could it potentially cause damage to the compressor? Question 2: Can a Y-type filter be installed horizontally? We earnestly invite everyone to engage in active discussions – points will be awarded generously