I need a 42 inch swing check valve for raw sewage service. Due to piping limitations, I am looking for a short body (such as wafer style) swing check valve for sewage application. Full size check valve won't fit. Any suggestions (make and model)? Does it necessarily have to be swing check ?Standard swing check valves for this size in wafer comfiguration (or short bodies) will be difficult to source, of course, if you pay enough, you will find someone willing to make it for you (dont know about lead times though).Possible options are:Combined check valve (offset butterfly style, with counter-force).Dual disc check valve.Both would probably be available in short body, double flanged.There is a third possibillity: to use a motorized knife-gate on/off valve if you are near a pumping station or an electrical outlet.This will need time to close and will not protect you by power failure. If you are considering this you will have to check consequences of pressure peaks if you are pumping and the pumps closes down suddenly by power failure.

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