SELECTING SEAT MATERIAL FOR BUTTERFLY VALVE
SELECTING SEAT MATERIAL FOR BUTTERFLY VALVE
(OP)
I AM IN SEARCH OF A COMPATIBILITY CHART FOR PROPYLENE GLYCOL (DOWFROST HD) WHEN SELECTING SEAT MATERIALS FOR BUTTERFLY VALVES. SPECIFICALLY: EPDM, NBR, PTFE, SINCE THESE ARE THE MOST COMMON AND LEAST EXPENSIVE.
THANKS.
THANKS.





RE: SELECTING SEAT MATERIAL FOR BUTTERFLY VALVE
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One is on Flowserve.com. Download Durco technical bulletin DVATB0004 from the Literature section.
RE: SELECTING SEAT MATERIAL FOR BUTTERFLY VALVE
http://www.parker.com/o-ring/fcg/fcg.asp
http://www.bray.com/apps/braymat/braymat.cfm
EPDM is recommended for PG.
RE: SELECTING SEAT MATERIAL FOR BUTTERFLY VALVE
Thanks,
RE: SELECTING SEAT MATERIAL FOR BUTTERFLY VALVE
http://www.nibco.com/assets/ChemGuide.pdf
RE: SELECTING SEAT MATERIAL FOR BUTTERFLY VALVE
go to www.flowserve.com
There's a box on the left hand side which says "Literature."
Scroll down until you get to document.
Patricia Lougheed
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RE: SELECTING SEAT MATERIAL FOR BUTTERFLY VALVE
SOURCE
AST, MECHANICAL SEAL MATERIAL SELECTION GUIDE
NBR:NO
EPDM:NO
VITON:YES
SOURCE
CHEMICAL RESISTANCE GUIDE FOR ELASTOMERS II
NBR:YES UP TO 250ºF
EPDM:YES UP TO 70ºF
VITON:YES UP TO 140ºF
SOURCE
NIBCO CHEMICAL RESISTANCE GUIDE FOR VALVES AND FITTINGS
NBR:YES UP TO 180ºF
EPDM:YES UP TO 70ºF
VITON:YES UP TO 140ºF
SOURCE
CAT PUMPS, CHEMICAL COMPATABILITY GUIDE
NBR:YES
EPDM:N/A
VITON:YES
SOURCE
MCNALLY INSTITUE, O-RING SELECTION
NBR:YES
EPDM:N/A
VITON: N/A
SOURCE
GEORG FISCHER, CHEMICAL RESISTANCE
NBR:YES UP TO 68ºF
EPDM:YES UP TO 104ºF
VITON: YES UP TO 104ºF
SOURCE
COLE-PARMER, CHEMICAL COMPATABILITY
NBR:YES
EPDM:YES
VITON: YES
SOURCE
BRAY CONTROLS, MATERIAL SELECTION GUIDE
NBR:YES
EPDM:YES, PREFERED
VITON: YES
SOURCE
PARKER SEALS, FLUID COMPATIBILITY GUIDE
NBR:NO
EPDM:YES
VITON: NO
SOURCE
VIKING, TECHINICAL DATA, FIREFIGHTER ELIMINATOR C
NBR:YES
EPDM:YES
VITON: YES
WHICH WOULD YOU SELECT. I WOULD RATHER GO WITH EPDM OR NBR INSTEAD OF VITON DUE TO THE COST.
RE: SELECTING SEAT MATERIAL FOR BUTTERFLY VALVE