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  • What is the best method for cleaning flat face couplers prior to connecting? Is it wiping or spraying? If spraying, what type of spray product is best?
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To clean flat face couplings, we recommend wiping the face of the male and female couplings with a clean rag. Compressed air also can be used to blow debris from this surfaces. We do not recommend using a spray cleaner (i.e. brake cleaner) as it is not always compatible with the valve seals. If a spray cleaner is used, avoid spraying directly on the valve seal and wipe excess cleaner off immediately. In corrosive or harsh environments, using a silicone based corrosion inhibitor/lubricant (such as fluid film or LPS-2) can help protect from corrosion.