Jay, Would bronze valves be a good choice? Why don't we see any bronze valves on pubs ? How do bronze and stainless get along together? I know, I ask alot of questions. Brian > -----Original Message----- > From: owner-personal_submersibles@psubs.org > [mailto:owner-personal_submersibles@psubs.org] On Behalf Of Jay K. > Jeffries > Sent: Saturday, January 03, 2009 6:58 PM > To: personal_submersibles@psubs.org > Subject: RE: [PSUBS-MAILIST] Soft ballast venting valve > > Brian, > Stick with the bronze valves as your suggested modified farm valves will > only be trouble. > R/Jay > > Respectfully, > Jay K. Jeffries > Andros Is., Bahamas > > As scarce as the truth is, the supply has always been in excess of the > demand. > -Josh Billings > > > > > _____________________________________________ > From: owner-personal_submersibles@psubs.org > [mailto:owner-personal_submersibles@psubs.org] On Behalf Of Brian Cox > Sent: Saturday, January 03, 2009 9:49 PM > To: personal_submersibles@psubs.org > Subject: RE: [PSUBS-MAILIST] Soft ballast venting valve > > > Thanks Jay, > Lined SS valves ? These butterfly valves that we > use here on the farm are usally a cast iron body with a metal disk ( the > "butterfly") in the middle for the shut off device. There is rubber > around the disk as well as rubber around the perimeter of the mating > opening of the cast iron valve body. It would be easy enough to replace > the metal disk with stainless and maybe I could epoxy the cast body. or > possibly find a bronze one. > > Brian > > > -----Original Message----- > From: owner-personal_submersibles@psubs.org > [mailto:owner-personal_submersibles@psubs.org] On Behalf Of Jay K. > Jeffries > Sent: Saturday, January 03, 2009 5:49 PM > To: personal_submersibles@psubs.org > Subject: RE: [PSUBS-MAILIST] Soft ballast venting valve > > Brian, > Ball valves typical get tight from not operating the valve on at > least a scheduled basis. Care has to be given that sand and/or calcite > deposits occur in the valve which can damage the sealing surfaces or > scratch the ball. Butterfly valves may be an option as they have a > limited capability to throttle flow where ball valves tend to be all or > nothing (100% flow or 0%). Butterfly valves can also be affected by sand > and calcite deposits. Butterfly valves are available in SS but are very > pricey when found. Another option to contain costs is to use SS lined > valves vs. a complete body of SS. > R/Jay > > Respectfully, > Jay K. Jeffries > Andros Is., Bahamas > > As scarce as the truth is, the supply has always been in excess of > the demand. > -Josh Billings > > > > > _____________________________________________ > From: owner-personal_submersibles@psubs.org > [mailto:owner-personal_submersibles@psubs.org] On Behalf Of Brian Cox > Sent: Saturday, January 03, 2009 8:39 PM > To: Personal_Submersibles@Psubs. Org > Subject: [PSUBS-MAILIST] Soft ballast venting valve > > > Happy New Year All, > Does anybody have a suggestion for a ballast venting valve for a > soft tank ( my ferro structure ) that is around 1 1/2" diameter or maybe > 2" , I will most likely use a stainless ball valve but I'm worried that > eventually it is going to sieze up on me. It seems like those ball valves > get awfully hard to turn after a while. The butterfly valves that I've > seen ( for farm irrigation ) seem to turn easier , but I haven't seen them > in stainless. > Thanks > Brian, Ventura, CA >
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