Login    Register
User Information
Username:
Password:
We are a free and open
community, all are welcome.
Click here to Register
Sponsored
Who is online

In total there are 64 users online :: 6 registered, 0 hidden and 58 guests


Most users ever online was 218 on Wed Dec 07, 2016 6:58 pm

Registered users: Bing [Bot], Google [Bot], Google Adsense [Bot], MCRKilljoy, MSNbot Media, Yahoo [Bot] based on users active over the past 5 minutes

The Team
Administrators
Global Moderators
global_moderators.png CS

sprinkler valve help

Post about things you have launched or thought about launching. Also post about various materials used for building cannons. No posts about explosive projectiles!
Sponsored 
  • Author
    Message

sprinkler valve help

Unread postAuthor: Trauts » Thu Feb 27, 2014 11:52 am

I am in the middle of making a 2" piston valve gb cannon. Everything looking good but when I put pressure in the cannon the sprinkler valve lets the air through with no resistence (almost as if it is open). The valve is modded for blowgun triggering, and yes the flow arrows are pointing in the direction of venting.

Wondering if maybe the valve is "normally open", or something like that? Any help would be appreciated!

Also I would attach some pics but I'd have to crop them so small to get them under 1mb that it would be pointless
  • 0


Trauts
Private
Private
 
Posts: 17
Joined: Wed Oct 30, 2013 2:56 pm
Country: Canada (ca)
Reputation: 0

Re: sprinkler valve help

Unread postAuthor: jrrdw » Thu Feb 27, 2014 1:51 pm

Check all the sealing faces in the valve make sure they are clean. What are you using for a air source? Your typical sprinkler valve should seal at around 30 psi.
  • 0

When life gives you lemons...throw them back they suck!
User avatar
jrrdw
Donating Moderator
Donating Moderator
 
Posts: 6538
Joined: Wed Nov 16, 2005 5:11 pm
Location: Maryland
Country: United States (us)
Reputation: 25

Re: sprinkler valve help

Unread postAuthor: Trauts » Thu Feb 27, 2014 7:56 pm

Checked immediately when it didn't work that everything was clean. Air source is a compressor @ 100psi.

I tried covering the opening with my hand in case it needed some back pressure to initiate but that didn't do anything.
  • 0


Trauts
Private
Private
 
Posts: 17
Joined: Wed Oct 30, 2013 2:56 pm
Country: Canada (ca)
Reputation: 0

Re: sprinkler valve help

Unread postAuthor: jackssmirkingrevenge » Fri Feb 28, 2014 7:29 am

Where are you filling from? Sprinkler valves typically need to be "shocked" into sealing.

Have you tried filling through the "trigger" blowgun?
  • 0

User avatar
jackssmirkingrevenge
Donating Member
Donating Member
 
Posts: 24225
Joined: Thu Mar 15, 2007 11:28 pm
Country: Holy See (Vatican City State) (va)
Reputation: 66

Re: sprinkler valve help

Unread postAuthor: Trauts » Fri Feb 28, 2014 1:54 pm

Here's some pics.. Muchos thanks for the help
  • 0

Attachments
2014-02-27 11.30.42.jpg
Filling station with sprinkler valve and trigger. Cap on where the piston housing normally is.
2014-02-27 11.30.50.jpg
Close up of the valve. Mixed way more epoxy than necessary when modding so I just slapped it on top of the housing for extra support.

Trauts
Private
Private
 
Posts: 17
Joined: Wed Oct 30, 2013 2:56 pm
Country: Canada (ca)
Reputation: 0

Re: sprinkler valve help

Unread postAuthor: jrrdw » Fri Feb 28, 2014 3:36 pm

Some times the adapter will be scewed to far in and be touching the diaphram holding it open...
  • 0

When life gives you lemons...throw them back they suck!
User avatar
jrrdw
Donating Moderator
Donating Moderator
 
Posts: 6538
Joined: Wed Nov 16, 2005 5:11 pm
Location: Maryland
Country: United States (us)
Reputation: 25

Re: sprinkler valve help

Unread postAuthor: Trauts » Fri Feb 28, 2014 4:06 pm

I tried to make sure it was only in enough to be just poking through the plastic, but if it is in fact too far I guess it's garbage now lol... I'll try putting air through the blowgun tonight like jsr suggested. That doesn't work it's looking like a ball valve trigger for now
  • 0


Trauts
Private
Private
 
Posts: 17
Joined: Wed Oct 30, 2013 2:56 pm
Country: Canada (ca)
Reputation: 0

Re: sprinkler valve help

Sponsored

Sponsor
 


Re: sprinkler valve help

Unread postAuthor: Trauts » Fri Feb 28, 2014 7:28 pm

Got it working!! For some reason it wasn't equalizing, so I put some pressure into the top half while putting pressure into it like normal. After that it seemed like the diaphragm had been "freed" and now it works great. Thanks again all!
  • 0


Trauts
Private
Private
 
Posts: 17
Joined: Wed Oct 30, 2013 2:56 pm
Country: Canada (ca)
Reputation: 0

Re: sprinkler valve help

Unread postAuthor: jackssmirkingrevenge » Sun Mar 02, 2014 8:57 am

Could it be that some epoxy seeped through when you were filling the solenoid pilot hole and was keeping the diaphragm from sealing?
  • 0

User avatar
jackssmirkingrevenge
Donating Member
Donating Member
 
Posts: 24225
Joined: Thu Mar 15, 2007 11:28 pm
Country: Holy See (Vatican City State) (va)
Reputation: 66

Re: sprinkler valve help

Unread postAuthor: Trauts » Sun Mar 02, 2014 11:07 am

I double checked that it was totally cleaned up, but maybe running air through it cleaned it out. It just seemed like it just didn't want to equalize for some reason
  • 0


Trauts
Private
Private
 
Posts: 17
Joined: Wed Oct 30, 2013 2:56 pm
Country: Canada (ca)
Reputation: 0

Return to Construction Materials/Ammo Discussion

Who is online

Registered users: Bing [Bot], Google [Bot], Google Adsense [Bot], MCRKilljoy, MSNbot Media, Yahoo [Bot]

Reputation System ©'