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http://indianaquariumhobbyist.com/community/ :: View topic - Solenoid specs
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Solenoid specs
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Ishankanti
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PostPosted: Fri Jul 24, 2015 12:10 am Post subject: Solenoid specs Reply with quote

 Hi  mates
 
 I  am  currently  upgrading  to  pressurized  system.
 In  search  of  solenoid  i  stumbled  upon  a  site  which  had  a  vast  collection  of  solenoids  at  a  very  competitive  price.(This  site  has  CO2  cylinders  and  regulators  too).Please  have  a  look  at  the  link.
 And  these  are  the  questions  I  have:
 
 1.What  is  the  thread  size  of  the  output  of  the  regulator  to  which  the  solenoid  connects  ?
 2.what  are  the  other  specs  to  look  for  in  a  solenoid  ?
 3.Is  there  any  suitable  candidate  among  the  huge  collection  listed  on  this  link??
 
 https://www.industrybuying.com/online-supplies/plumbing/valves/pneumatic-solenoid-valves/2375/?q=pneumatic%20solenoid%20valves
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Madan
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PostPosted: Fri Jul 24, 2015 9:43 am Post subject: Re: Solenoid specs Reply with quote

 1.  The  thread  size  of  the  output  of  the  regulator  varies  with  the  make  of  the  regulator,  there  is  no  one  standard  size.
 
 2.  The  solenoid  should  be  a  2  port  valve.  That  means  there  is  no  exhaust  port.
 in  other  words  the  solenoid  should  be  2/2  way  solenoid.  Also  ensure  at  power  off  the  solenoid  is  100%  shut  off.
 Many  Indian  manufacturers  do  not  make  100%  shut  off.  The  solenoid  should  be  a  Normally  closed  (NC)  solenoid.
 Port  size  1/8  inch.
 What  I  mean  by  exhaust  port  is  the  valve  will  vent  the  CO2  to  atmosphere  when  power  is  off.  It  would  be  mentioned  as  a  3/2  way  solenoid.
 You  could  blank  the  exhaust  port,  but  sometimes  that  does  not  allow  the  solenoid  to  close  fully.
 
 3.  I  saw  one  there  but  the  voltage  was  not  mentioned.  You  will  need  a  220  V  50Hz  Single  phase  AC  solenoid  valve.
 (I  think  it  was  the  first  one).
 
 There  is  no  requirement  for  the  solenoid  to  be  directly  connected  to  the  regulator.  
 You  can  lead  a  hose  from  the  regulator  to  solenoid  then  to  a  needle  valve.  This  eliminates  your  problem  No.1
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Preeths
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PostPosted: Fri Jul 24, 2015 9:09 pm Post subject: Re: Solenoid specs Reply with quote

 If  you  don't  mind  a  manual  shutoff  valve,  see  this  thread:
 
 http://indianaquariumhobbyist.com/community/modules.php?name=Forums&file=viewtopic&t=38324
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Ishankanti
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PostPosted: Sat Jul 25, 2015 1:04 pm Post subject: Re: Solenoid specs Reply with quote

 Thanks  Madan  and  Preeths.
 
 Madan  that  is  the  info  I  was  looking  for.
 So  now  I  need  to  choose  a  2/2  way  1/8  inch  solenoid  rated  at  230  v  50  hz  right??
 
 I  thought  the  industrial  grade  CO2  cylinders  should  have  a  standard  output  thread  size.
 
 And  what  other  accessories  I  need  ?like  washers  etc.
 
 What's  the  size  of  input  thread  of  the  CO2  regulator  we  attach  to  fire  extinguisher  type  cylinder?
 
 Preeths  as  I  would  mostly  be  away  during  weekdays,my  parents  will  operate  the  CO2  setup.they  are  already  scolding  me  for  the  red  colored  monster(cylinder)
 
 So  I  would  prefer  solenoid  for  now.
 
 Thanks  again
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DRJALLI
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PostPosted: Sat Jul 25, 2015 1:11 pm Post subject: Re: Solenoid specs Reply with quote

 Hi  all,  our  admin  has  given  a  valuable  advice.  Here  is  some  information  regarding  solenoid.
 1.  They  r  available  in  very  wide  rrange  of  varieties,  in  terms  of  sizes.  Ac  or  dc  normally  closed  or  open.  We  need  solenoid  running  on  ac  current  which  is  normally  closed.
 2.  They  may  be  pneumatic  or  hydraulic.  We  need  pneumatic  ones.
 3.  While  buying  solenoids,  ull  ve  to  see  what  type  of  pressure  regulating  valve  u  ve,  whether  it's  single  or  Double  stage.  If  it's  single  stage  then  attach  it  in  between  cylinder  n  regulator.  If  it's  a  double  stage  then  attach  it  after  regulator.  
 4.  Solenoid  come  with  specific  pressure  ranges,  they  work  perfectly  only  within  this  range  without  any  leakage.  So  if  u  r  attaching  it  directly  to  the  cylinder,  then  it  has  to  withstand  the  huge  pressure  plus  r  also  very  costly  Or  ull  ve  to  go  for  hydraulic  ones.  So  better  to  ve  Double  stage  regulator  with  a  low  cost  solenoid.
 5.  If  all  these  things  r  taken  care  of,  solenoid  r  not  leaky.
 6.  I  ve  janatics  make  solenoid  which  is  100%  leak  proof  n  doesn't  make  any  noise  it's  Indian  made.  Using  2kg  co2  cylinder  since  3  yrs,   still  plenty  of  Gas  in  it.
 7.  It's  always  better  to  protect  your  Aquarium  power  supply  with  a  power  stabilizer,  at  least  with  power  surge/cut  off  protectors.
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PostPosted: Sat Jul 25, 2015 1:19 pm Post subject: Re: Solenoid specs Reply with quote

 One  more  thing  try  not  to  mix  Indian  make  co2  equipments  with  imported  ones,  else  chances  r  ull  end  up  with  leaky  system  because  of  incompatibility  in  sizes.
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Ishankanti
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PostPosted: Sat Jul 25, 2015 1:45 pm Post subject: Re: Solenoid specs Reply with quote

 Thanks  DRJALLI.
 
 Mine  is  single  stage  regulator  of  Indian  make.(deluxe  brand)
 
 How  to  connect  Solenoid  between  cylinder  and  regulator?
 
 Also  what  bps  do  you  maintain?
 What  is  the  duration  of  your  photo  period?
 And  how  much  your  solenoid  cost?
 
 Can  you  post  a  PIC  of  your  regulator  and  solenoid  setup?
 
 Thanks  again
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DRJALLI
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PostPosted: Sat Jul 25, 2015 2:02 pm Post subject: Re: Solenoid specs Reply with quote

 I'll  give  u  all  possible  details  with  pics  in  the  evening  or  before
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Preeths
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PostPosted: Sat Jul 25, 2015 2:16 pm Post subject: Re: Solenoid specs Reply with quote

                                                   
DRJALLI  wrote  (View  Post):                

 3.  While  buying  solenoids,  ull  ve  to  see  what  type  of  pressure  regulating  valve  u  ve,  whether  it's  single  or  Double  stage.  If  it's  single  stage  then  attach  it  in  between  cylinder  n  regulator.  If  it's  a  double  stage  then  attach  it  after  regulator.  
                 

 
 The  order  is  always  Cylinder  ->  regulator  ->  Solenoid.  Never  connect  the  solenoid  directly  to  the  cylinder
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PostPosted: Sat Jul 25, 2015 11:29 pm Post subject: Re: Solenoid specs Reply with quote

 HI  ishankanti,  as  preeths  said,  connect  solenoid  to  regulator.
 bps  varies  depending  up  on  tank  size,  best  thing  is  to  buy  one  co2  drop  checker  which  comes  with  colour  indication.  It  ll  take  few  days  to  finely  adjust  the  co2  injection.
 .  I  follow  photo  period  of  9  hours  with  one  hour  break  in  between.
 I  don't  exactly  remember  the  cost  of  solenoid  but  definitely  it  was  under  thousand  rupees.
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PostPosted: Sat Jul 25, 2015 11:56 pm Post subject: Re: Solenoid specs Reply with quote

 Unable  to  upload  pic  here..  Sad   Sad
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PostPosted: Sun Jul 26, 2015 12:06 am Post subject: Re: Solenoid specs Reply with quote

 Plz  somebody  tell  me  how  to  attach  a  pic.  I  tried  but  it  says  'failed  due  to  low  on  memory'
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Ishankanti
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PostPosted: Sun Jul 26, 2015 9:51 am Post subject: Re: Solenoid specs Reply with quote

                                                   
DRJALLI  wrote  (View  Post):                

 Plz  somebody  tell  me  how  to  attach  a  pic.  I  tried  but  it  says  'failed  due  to  low  on  memory'
                 

 
 There  must  be  some  size  restrictions.
 Try  to  compress  the  image  below  500  kb  .I  don't  know  the  exact  limit  though.
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PostPosted: Tue Jul 28, 2015 11:53 pm Post subject: Re: Solenoid specs Reply with quote

 
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PostPosted: Wed Jul 29, 2015 12:24 am Post subject: Re: Solenoid specs Reply with quote

 Thanks  DRJALLI
 Is  there  any  connector  between  the  solenoid  and  regulator?
 And  how  much  the  regulator  cost?
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