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Delval large diameter resilient seated butterfly valve 51-53 series
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Delval resilient seated butterfly valve 50, 52 series
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Delval series 4 Triple Offset butterfly valve
Delval series 4 Triple Offset butterfly valve DESCRIPTION: Default firesafe design and NACE ve..
Delval series 44-49 High Performance Double Offset butterfly valve
Delval series 44-49 High Performance Double Offset butterfly valve DESCRIPTION: Fire safe desi..
Delval series 55 double flange double offset resilient seat butterfly valve
Delval series 55 double flange double offset resilient seat butterfly valve    ..
Delval SPECIAL APPLICATION resilient seat butterfly valve 5C-5D series
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Delval teflon lined butterfly valve
Delval teflon lined butterfly valve PFA is superior to PTFE in terms of flexibility, particularly..