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http://indianaquariumhobbyist.com/community/ :: View topic - CO2 regulator output pressure issue
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CO2 regulator output pressure issue

 
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Linelogic
Regular Poster on IAH
Regular Poster on IAH



Joined: Aug 31, 2008
Posts: 495
Location: Bangalore

Status: Offline
PostPosted: Fri Dec 09, 2011 8:41 pm Post subject: CO2 regulator output pressure issue Reply with quote

 Hi,
      I  have  a  pressurized  CO2  setup  which  has  been  running  well  from  the  past  2  years.  CO2  regulator  is  Eagle.
 
 After  every  refill  I  used  to  setup  the  output  pressure  at  2kgs/cm2  by  turning  the  regulator  knob,  and  leave  it  at  that  until  the  next  refill.  Never  touch  the  knob  again  until  the  next  refill.   I  have  a  CO2  stop  valve  (  Ball  Valve  )  after  the  regulator,  which  I  use  to  switch  off  the  supply  to  the  tank  at  night.
 
    From  the  past  few  days  ,  I  see  that  the  input  pressure  is  dropping  since  the  CO2  is  getting  over.  I  turn  off  the  ball  valve  at  night,  and  the  output  reading  at  that  time  reads  2kgs/cm2.   Surprisingly,  in  the  mornings  when  I  see,  the  output  pressure  has  shot  up  to  8-10  kgs/cm2.  It  slowly  starts  reducing  after  I  let  the  CO2  into  the  tank  by  turning  ON  the  ball  valve.
 I've  been  noticing  the  shoot  up  of  the  output  pressure  only  from  the  past  4-5  days,  since  the  time  the  input  pressure  started  dropping.
      Is  this  normal  ?!  Is  a  high  input  pressure  required  to  restore  the  output  pressure  or  pressure  plates  to  it's  normal  value/position  ?!
 
 This  morning  I  decided  to  experiment,  and  totally  loosened  the  regulator  knob  (  i.e.  Tried  to  shut  down  the  output  ).  Then  turned  ON  the  ball  valve.  But  the  pressure  only  dropped  from  8  kgs/cm2  to  2  kgs/cm2  and  it's  been  at  that  value  since  morning.  i.e.  the  CO2  supply  never  shut  down  even  after  removing  the  regulator  knob.
      Has  the  output  pressure  control  plates  in  the  regular  got  stuck  or  is  it  gone?!
 
 Can  anyone  throw  some  light  on  this  ?!  (  Or  the  exact  working  of  a  CO2  regulator  which  can  explain  this  phenomenon  I  am  seeing  ?!  )
 
 Regards
 Prabhu
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