http://support.asepco.com/activekb en-us http://support.asepco.com/activekb ActiveKB NX activekb@asepco.com Tue, 07 Sep 2010 08:25:39 CDT 20 http://support.asepco.com/activekb/questions/70/ http://support.asepco.com/activekb/questions/70/ There are many different ways for a diaphragm to fail from mis-handling to aging to chemical incompatibility. The majority of diaphragm failures are related to aging or chemical incompatibility. ... Mark Embury Wed, 12 Aug 2009 22:39:12 CDT http://support.asepco.com/activekb/questions/112/ http://support.asepco.com/activekb/questions/112/ The Formula is:Q = C * √ΔPQ = desired flowC = valve flow rate (from table below)ΔP = psiExample:For a 3" valve C = 170 gpm at 1 psiLet's say that you want to know what the flow r ... Mark Embury Thu, 13 Aug 2009 07:51:42 CDT http://support.asepco.com/activekb/questions/27/ http://support.asepco.com/activekb/questions/27/ ASEPCO valve flow rates by size at 1 psi pressure drop: 0.5" 02.8 gallons per minute (gpm) 10.6 liters per minute (lpm) 1.0" 15.8 gallons per minute (gpm) 60 liters per ... Mark Embury Wed, 14 Nov 2007 09:21:04 CST http://support.asepco.com/activekb/questions/18/ http://support.asepco.com/activekb/questions/18/ ASEPCO Radial Diaphragm Valves are designed for a working pressure of 250 PSI in all sizes. You have asked for a temperature rating 300° F. As far as the effect of temperature on 316L s ... Mark Embury Fri, 18 May 2007 08:39:55 CDT http://support.asepco.com/activekb/questions/8/ http://support.asepco.com/activekb/questions/8/ A "dead leg" is a sump, or area of entrapment, in a vessel or a piping system where contamination can occur. Dead legs take longer to flush out during CIP, extending rinsing cycles, creating "co ... Mark Embury Mon, 17 Nov 2008 10:58:10 CST http://support.asepco.com/activekb/questions/50/ http://support.asepco.com/activekb/questions/50/ We believe that Teflon has sealing issues due to "cold flow" in the material that makes it a poor sealing material for our valves.We do offer diaphragms that have a surface treatment that gives ... Mark Embury Mon, 23 Jul 2007 16:19:58 CDT http://support.asepco.com/activekb/questions/62/ http://support.asepco.com/activekb/questions/62/ The recommended torque specification for the Hygienic clamps used to assemble actuator/diaphragm assemblies to our valves is 25 in/lb. Mark Embury Thu, 28 Jun 2007 17:30:40 CDT http://support.asepco.com/activekb/questions/57/ http://support.asepco.com/activekb/questions/57/ We have found that the majority of the time a user is having sealing issues is due to incorrect diaphragm installation. Attached are instructions that come with each diaphragm, make sure they h ... Mark Embury Wed, 22 Aug 2007 00:14:25 CDT http://support.asepco.com/activekb/questions/23/ http://support.asepco.com/activekb/questions/23/ ASEPCO diaphragm valves offer the "behind-the-seat flowpath" when the valve is closed. It permits CIP/SIP flushing after each sample to clean the valve, making it ready for your next sample. ... Mark Embury Fri, 18 May 2007 08:40:19 CDT http://support.asepco.com/activekb/questions/25/ http://support.asepco.com/activekb/questions/25/ The basic formula for conversion from microinch to micron (micrometer): 1 microinch = 0.0254 micrometer 1 micron = 39.4 microinches (microinch is used in the US; micrometer is used ... Mark Embury Mon, 07 May 2007 15:11:23 CDT