blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px
#715FFA solid !important; padding-left:1ex !important; background-color:white
!important; } There is or was a PEX to Poly adaptor however it would be subject
to the listing of the replacement PEX material used.
Sent fr
blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px
#715FFA solid !important; padding-left:1ex !important; background-color:white
!important; } There are UV issues with exposed CPVC in Direct sunlight. Check
manufacture limitations.
Sent from Yahoo Mail for iPhone
On
blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px
#715FFA solid !important; padding-left:1ex !important; background-color:white
!important; } REHAU Had a complete line of fittings for installation of PEX
fire sprinkler systems imbedded in concrete which is used in the U
blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px
#715FFA solid !important; padding-left:1ex !important; background-color:white
!important; } It's air . . . often referred to to as short ring cycle. Fill
system slowly with any down stream aux drains open. Vent high po
blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px
#715FFA solid !important; padding-left:1ex !important; background-color:white
!important; } Only smooth flat ceiling for sidewalls. Depending on the distance
between soffit pendent fire sprinklers in the soffit would be b
blockquote, div.yahoo_quoted { margin-left: 0 !important; border-left:1px
#715FFA solid !important; padding-left:1ex !important; background-color:white
!important; } blockquote, div.yahoo_quoted {margin-left:0
!important;border-left:1px #715FFA solid !important;padding-left:1ex
!important;bac
The line can be larger the Standard only refers to a minimum size.
8.17.4.3.1 A trip test connection not less than 1 in (25 mm) in diameter . . .
Mike Cabral
Sent from my iPhone
> On Feb 16, 2015, at 12:12 PM, rongreenman . wrote:
>
> Does it matter. The orifice size has to be the
no winners there. I don't read the standard
as preventing the removal of a drop with the head made in. But not doing it
might just be "Best Practice".
Mike Cabral
Sent from my iPhone
> On Feb 6, 2015, at 6:49 PM,
> wrote:
>
> Like shipping, unpacking and in
That's an old one. 3/4 - one head 1"- two heads 1-1/4"- 3 heads 1-1/2"-5 heads
2"- 7 heads. From memory. In the old textile mills in New England FM had a
program where the 3/4" was replaced with 1". Removed the 1x3/4x1/2 tee
replaced it with 1x1x1/2 and replaced the 3/4" length of pipe keeping
Confusing question under heading single interlock. If you have a dry pipe
system, Pre-Action system single interlock or double interlock you will need
supervisory air of some kind air compressor is most common however, N2 cylinder
can be used. Any system 20 heads or more requires some type of su
The cost of one vs: two sets of contacts is in my view a minor price
difference. There are few installations that require two contacts however,
having a spare set of contact is never a bad idea should you need it.
1) You might see an occasion that both contacts are needed, one single pole
doubl
Well there is your empirical evidence. 99.93%. Smiley Face. Never have seen DI
installed in the air for FP Service in my 40+ years.
Water treatment/Sewer treatment used DI most of the time in the 70's large
diameter which required shop fabrication. A great deal of this was cut grooved.
Mike C
Supervisory air is a necessary component for single interlock. No supervisory
air and it's not even a dry pipe system. We are not getting required
information regarding this installation.
This might be a Supertex system using HAD's. From what I recall from the thread
there was no releasing pan
Is there a releasing control panel? Should be. Check the settings on the panel
the position of the dip switches or program setting will inform you of system
set up.
Sent from my iPhone
> On Jun 30, 2014, at 8:12 AM, wrote:
>
> Ok, So what would be the tell-tale difference?
>
> Craig L. Prah
channel shaped gasket which is responsive to pressure the pressure in the pipe
puts force on the inside of the gasket forcing the gasket toward the sealing
service.
Regards,
Mike Cabral
Sent from my iPhone
> On Jun 10, 2014, at 8:56 PM, "Douglas Hicks" wrote:
>
> What i
If it's 13R it can't be PEX it needs to be rated at 175 psi. I only know of
orange color listed CPVC.
Industrial CPVC is light gray still Post Chlorinated Polyvinyl Chloride however
not listed for fire service. If your looking at an installation with gray CPVC
installed there is going to be a
The color of the pipe is not a requirement of the listing agency's for fire
protection. It's is the markings on the pipe. . . It's the information
provided that is important. Rehau & Uponor have their standard white PEX tube
listed by both UL & NSF.
The Pressure rating for UL is 130psi @ 120
Tyco Vizor Electronic Accelerator is only listed for Tyco DPV and a few
discontinued Central Sprinkler and Star Sprinkler DPV's. Not that it would not
operate as intended on on other valves the product is only listed for those
valves shown on the Tyco Data Sheet TFP1105.
Mike Cabral
nsion issue from the equation. The PEX pipe can
also be tested with air to 200 psi below 120 degrees F for up to 48 hours.
This information pertains to PEX Cross Linked PE and I'm not 100% sure that
Standard PE pipe has the same properties as PEX pipe.
Regards,
Mike Cabral
Sent from my iP
The PE pipe will expand and you will see a pressure drop as a result. Take a
look at some of the PEX mfg sites and you will find data regarding testing
methods.
Sent from my iPhone
> On Apr 15, 2014, at 8:39 AM, Aaron Peck wrote:
>
> No, I got that.
>
> The plumber is telling me that it's n
This sounds like a site specific issue.
Not likely that it's a product issue. My first thought was the lube used at
installation. Most common elastomer used is EPDM which does not play well with
hydrocarbons. Usually see some swelling initially not sure what happens long
term.
Trust the manu
The dust pans were made by Automatic Sprinkler Corp of America and were used in
conjunction with Heat Actuated Devices on Supertex systems. An old rate of
rise/fixed temp system that did not need power to operate. Small copper tube
went from the HAD to a Mercery Check . . . through a release c
I would start with items that you can reach easily. The piping from the
compressor to the system use soap type solution. The pressure relief valve on
the trim is a low cost valve (cheep) cover it with a ballon and rubber band you
will see it fill if leaking. Or just replace it. Same with the ins
That's my understanding as well. Concern for lodgment of components having an
impact on the flow of water was one of the main issues along with maintaining
min-max amount of recess. It was more of an issue with link sprinklers however,
the seal still needs to clear the waterway.
Mike
Sent fro
AF and DRY for residential, in my view.
>
>> On Feb 2, 2014, at 9:19 PM, Mike Cabral wrote:
>>
>> Don't know about compatibility with CPVC that would need to be checked out
>> with the manufacture. However, you still need to screw the head into a
>> fitting a
put rovers on Mars but we can't keep NaCl2 in
>> pipe? How about CPVC?
>>
>>> On Feb 2, 2014, at 5:56 PM, Mike Cabral wrote:
>>>
>>> As I recall Calcium Chloride is very hard to contain. It will weep out of
>>> perfect threaded connection, pac
As I recall Calcium Chloride is very hard to contain. It will weep out of
perfect threaded connection, packing glands etc. Very slippery stuff.
Mike C
Sent from my iPhone
> On Feb 2, 2014, at 12:19 PM, Brad Casterline wrote:
>
> In Sep 2010 I posted 'Calcium Chloride Loops'?
> Somewhere alo
4_22&products_id=208&zenid=e836e61dfde28ed601fcf0068f39be27
Sorry if this message shows up twice having issues with e-mail on my phone.
Mike Cabral
Cell 314-412-1800
From: Matt Grise
To: "sprinklerforum@lists.firesprinkler.org"
Sent: Fr
I think it comes from LPC Standards. Potter makes a switch to control the pump.
Sent from my iPhone
> On Jan 31, 2014, at 11:34, "Cahill, Christopher" wrote:
>
> OK, now I'm intrigued. What's different in the Dominion of Canada? (NFPA 24
> reference)
>
> Chris Cahill, PE*
> Associate Fire
Still used a great deal in Canada here is a link.
http://www.lyncarfire.com/index.php?main_page=product_info&cPath=44_22&products_id=208
Mike Cabral
Sent from my iPhone
> On Jan 31, 2014, at 12:03, Charles Thurston wrote:
>
> "Hello Matt,
>
> ADT used to have
entral did have a center strut fusible link. This head has a fusible link
> made of 2 cups soldered to together.
>
> -Original Message- From: Mike Cabral
> Sent: Sunday, January 12, 2014 9:48 PM
> To: sprinklerforum@lists.firesprinkler.org
> Subject: Re: Paint Booth
>
n you are reporting. What was the make
of heads in spare head cabinet?
Sent from my iPhone
> On Jan 12, 2014, at 11:00 PM, Mike Cabral wrote:
>
> Do you have a photo of the link?
>
> Sent from my iPhone
>
>> On Jan 12, 2014, at 10:41 PM, "Douglas Hicks" wrot
Do you have a photo of the link?
Sent from my iPhone
> On Jan 12, 2014, at 10:41 PM, "Douglas Hicks" wrote:
>
> Can someone tell me what this head is? It is an SSU, brass, SR, fusible
> link, 3/4 pipe marked A584 on the deflector and marked MHX on the frame.
> There is no paint on the arms.
Shotgun is correct. Still requires main drain and pressure gauges city side and
system side below the flow switch. There are many assemblies made for this
purpose. Flow switch needs to ring a local alarm and supply signal to a alarm
panel if more than 20 sprinkler heads are involved in the syst
positioned in a
manner that anticipates future installation of a finished ceiling.
Mike Cabral
Cell 314-412-1800
On Thursday, November 14, 2013 5:26 PM, Mike Cabral
wrote:
Jay: That is a provision from 13D and not applicable to 13R.
Mike Cabral
Cell 314-412-1800
On Thursday
Jay: That is a provision from 13D and not applicable to 13R.
Mike Cabral
Cell 314-412-1800
On Thursday, November 14, 2013 5:07 PM, Jay Stough wrote:
We are taking over the project on a 6 family dwelling unit. Since I don't do
residential often, I want to make sure I am reading t
bility for the workmanship and materials that's it done. The key
word here is liability, now it's game on as to who gets left holding the bag
and why 25 is such a week standard. Shifting of liability is like a game a
musical chairs nobody want to be the guy left standing when the m
Tyco 200psi inlet 5-70psi outlet. Both Reliable and Globe are rated at 175
inlet pressure.
Riser Mount Tank Mount? That sounds more like a compressor not AMD.
Sent from my iPhone
On Oct 14, 2013, at 7:34 PM, "Douglas Hicks" wrote:
> Riser Mount or Tank Mount?
>
> -Original Message---
Question. Why would you need an AMD for the pressure vessel? The intent of the
AMD is to restrict the flow of air to allow the DPV or Pre-action valve to
operate. It has a bypass for filling. To my knowledge 50 psi is the max
pressure allowed on a DPV. Higher pressure can damage the seat gasket
These activations happened on the same day or different days?
The location of the head is in the same position in each room?
Look for the common condition in each room. This sounds like many other
activations caused by clothing hanger over time.
Sent from my iPhone
On Oct 5, 2013, at 8:33
; On Thu, Oct 3, 2013 at 9:44 AM, Mike Cabral wrote:
>
>> I seem to recall that the 8" lintel and 8' opening was language that was
>> originally intended to better define application of the small room rule.
>>
>> Sent from my iPhone
>>
>> On Oct
I seem to recall that the 8" lintel and 8' opening was language that was
originally intended to better define application of the small room rule.
Sent from my iPhone
On Oct 3, 2013, at 11:33 AM, "rongreenman ." wrote:
> Door frame, not door, so that implies the hole does not need a door.
>
>
Helpful link:
http://www.pottersignal.com/fire/batterytools.php
Mike Cabral
Cell 314-412-1800
From: Bob
To: sprinklerforum@lists.firesprinkler.org
Sent: Friday, September 27, 2013 11:43 AM
Subject: RE: Fire Alarm
Thanks,
Bob Knight, CET III
208-318
I think Reliable makes or made a VELO Pen with a 14.5 K factor.
Sent from my iPhone
On Sep 22, 2013, at 6:37 PM, Greg McGahan wrote:
> We need to replace 3 painted heads in an existing storage room that currently
> has 14.5 k heads. Going to the closest Equivalent head changes the K factor
>
Can you use a pressure switch to detect a drop in pressure rather than a vain
type flow switch? If there is a jockey pump and therefore a steady system
pressure you should be able to detect the pressure drop from static pressure to
residual pressure.
Potter makes a pressure switch with a pneum
As I recall Texas is a Min- Max State. Local can't be more stringent than state
requirements. When I was working with local jurisdiction on residential
ordinance which wanted passive purge systems the State killed the process.
Sent from my iPhone
On Sep 9, 2013, at 5:48 PM, "Cahill, Christoph
e was converted to office
space. It was all old pipe sch systems with 3/4" feeding the last head.
Replaced thousands of those 3/4" lines. It was a hot item for FM back then late
60's early 70's.
Mike Cabral
From: Bill Sh
Must be > 40 degF correct?
Sent from my iPhone
On Jul 12, 2013, at 10:26 AM, Forest Wilson wrote:
> Standard wet heads
>
> Sent from my iPhone
>
> On Jul 12, 2013, at 11:14 AM, "Martinez, Dewayne"
> wrote:
>
>> I have a small building which has both unheated / heated spaces. I am
>> going
I'm not sure they have to be listed however, most AHJ's like to see the mark. I
do think the process has to meet some certification as well as the welders. QC.
Sent from my iPhone
On Jun 25, 2013, at 3:21 PM, wrote:
> Why do fittings have to be "listed"?
>
> Ron F
>
> -Original Message--
Just to give equal time to a firm that supports the AFSA I have done business
with Texas Manufacturing for more than 30 years. I'm not saying That IOWA does
not support AFSA I just know these guy's and the products they make are of
great quality. Listed products, certified welders and all aroun
Using smoke detectors at first blush seems like a bad idea. A separate sounder
that would indicate water flow in my view be a better choice. Many local
jurisdictions require this and the intent is to notify occupants. The sounder
Mike Henke noted has been a staple in the State of CA for years. T
orking pressure as the couplings attached to
> them.
>
> Steve
>
> Mike Cabral wrote:
>
> I think this is the same issue you experienced when looking for listed
> high pressure pipe. The 300 psi listing is all the manufacture asked for.
>
> Sent from my iPhone
>
>
I think this is the same issue you experienced when looking for listed high
pressure pipe. The 300 psi listing is all the manufacture asked for.
Sent from my iPhone
On May 7, 2013, at 2:26 PM, Roland Huggins wrote:
> Me thinks that is a class rating that does indeed come out of the steam worl
15:34:30 -0700
Mike Cabral
Phone 636-451-0533
Cell 314-412-1800
e-Fax 636-438-1338
From: Todd - Work
To: "sprinklerforum@lists.firesprinkler.org"
Sent: Wednesday, May 1, 2013 11:44 AM
Subject: Re: Old style deflector
No real question other th
Ron you quack me up. See what I did there! DuckTape.
Sent from my iPhone
On Apr 6, 2013, at 2:22 PM, Ron Greenman wrote:
> And you always use duck tape on the ducks.
>
>
> On Sat, Apr 6, 2013 at 12:15 PM, John Drucker wrote:
>
>> "Grey Gold".Duct Tape.
>> John Drucker - Mobile Email
>>
Well that's one I have never seen before. If you need to replace it try to
match the hole size with some kind of outlet fitting and install a head on
that. Looks a little like a conventional deflector. Good luck with that one.
Sent from my iPhone
On Mar 17, 2013, at 10:16 PM, "Joel Chaim"
wro
Just wait until the Federal Government gets involved regarding water
conservation. I did some research and if Australia is to be the model and I
think it will . . . water recovery, testing intervals, matching system demand
with supply (clay valve on every system) Fire pump testing stretched way
Ames did supply a replacement spring back in early 2000's and that did help.
However, they did extensive testing and found that the real cause is because of
trapped air.
Please trust me on this I worked for a switch mfg. for 13 years and have had to
deal with this short cycle issue hundreds of
This sounds like a short cycle caused by to much air in the system. If you
watch the switch during flow the trip stem will fluctuate and reset the retard
device. As water enters the system the air in the system will compress. When
the pressure equalizes the back flow will close and water flow wi
Back when the Red Book fit in my back pocket fittings had to be CI.
Sent from my iPhone
On Feb 14, 2013, at 3:23 PM, "Tom Duross" wrote:
> MI but I'd use DI over MI because of the lack of memory.
> I've been a fan if DI for years.
> I just thought it strange. I know from my plumbing side CI i
Are they calling out MI or DI. It's true that gas piping is usually MI.
Mike
Sent from my iPhone
On Feb 14, 2013, at 2:37 PM, "Jeff Garrison" wrote:
> They are more "brittle" than Ductile or Malleable iron, thus can crack
> easier in a freeze-up,
> but any of the above will fail with a bad fre
Now that was an impressive posting.
Sent from my iPhone
On Feb 5, 2013, at 2:57 PM, å... wrote:
> It is great to see someone stepping up and mentioning the fire failures.
> For sure, that is where I learn more, because in the successes, we rarely
> think upon, or determine, how big the saf
lunch well . . . . I hope you get my point.
KISS one mfg. one phone call.
Mike Cabral
Phone 636-451-0533
Cell 314-412-1800
e-Fax 636-438-1338
From: "rfletc...@aerofire.com"
To: sprinklerforum@firesprinkler.org
Sent: Tuesday, February 5, 2013 12:42
The standard can say whatever it wants. Bottom line is that you will end up
with two manufactures pointing fingers at each other. It just makes it harder
to resolve. Not my fitting. Not my coupling. Must be workmanship? It's just
better from the start if the joint is from the same mfg.
Sent f
Victaulic is domestic, foundry right there in Easton PA. Tyco also has a
domestic foundry in Anniston AL.
Sent from my iPhone
On Feb 4, 2013, at 6:22 PM, "Bob" wrote:
> I have a project that I'm designing that requires domestic materials. I've
> looked at Viking, TYCO, GruvLok, Victaulic, a
s are subject to this method.
Below is a link to a pdf document of Pressure Ratings of steel pipe.
http://www.kalhour.com/downloads/psi_chart_as_per_pipe_wt.pdf
Mike Cabral
Phone 636-451-0533
Cell 314-412-1800
e-Fax 636-438-1338
- Original Message -
From: Richard Mote
To: "spri
I think that's right filling the line is the larger issue. Vent the air at the
top and I'm old school and always used a hand pump to build pressure.
Sent from my iPhone
On Jan 29, 2013, at 1:01 PM, Thomas Watt
wrote:
> I may be off base since I am unfamiliar with Canadian rules and
> regulati
First post said 13R seems right to me.
Sent from my iPhone
On Jan 23, 2013, at 2:24 PM, Roland Huggins wrote:
> There is a delivery restriction of 15 seconds on dry residential systems (for
> residential sprinklers per the siting and spray sprinklers per 13). Just out
> of curiosity, what sy
y two cents worth.
Mike Cabral
Phone 636-451-0533
Cell 314-412-1800
e-Fax 636-438-1338
- Original Message -
From: "accentf...@aol.com"
To: sprinklerforum@firesprinkler.org
Cc:
Sent: Wednesday, January 23, 2013 9:40 AM
Subject: Anti-Freeze Question
To My Esteemed/Steamed Collea
Potter makes a CPVC Glue in water flow switch VSR-SG should you need water flow
detection which I assume you would need because it can't be a 13D job with the
retail area.
Sent from my iPhone
On Jan 20, 2013, at 12:57 PM, Vince Sabolik wrote:
> Bruce,
>
> Thanks. My intent is to leave 3 hsw'
What is the NEMA Rating of the enclosure of the switch gear of the panel if it'
NEMA 3R or NEMA 4 you would not need any protection. 3R will be ok in the rain-
NEMA 4 will be good with direct water spray.
Sent from my iPhone
On Jan 18, 2013, at 1:37 PM, "Bobby Gillett"
wrote:
> About 11 yea
I looking at a similar issue right now that deals with the size of a
pressurized (not cheep) tank designed / to old low flow heads. Modifications to
the system. . . Now I can't get 10 min duration with the same tank.
Sent from my iPhone
On Jan 9, 2013, at 4:21 PM, "Sean Lockyer" wrote:
>
>
I think you need to call the manufacture of the head you’re replacing. As I
remember things there was a new low flow low pressure head every few months. I
think it was as much about wall wetting as anything else. It was all black
magic in those days.
Mike Cabral
Phone 636-451-0533
Cell 314-412
Grunau as I recall was a mfg. and a contractor. Star purchased the product line
and Grunau remained a contractor. I think there were family ties with the two
firms. They had a full line of products.
Star, Central and the Gem (Grinnell) line all now fall under what is now Tyco.
Over the years t
> Grunau was purchased by Star, Star/Grunau was purchased by Tyco. So Tyco
> might be your best shot of getting details on a product.
Have a wonderful Christmas all.
Sent from my iPhone
On Dec 21, 2012, at 3:12 PM, Todd Letterman wrote:
> Does anyone have any information on a Grunau Fire Spr
lbows as the material is able to bend to make the turn
without fittings.
Perhaps a small out building would be in order for both the water storage and
the pump.
Just my 2 cents worth at first blush.
Mike Cabral
Phone 636-451-0533
Cell 314-412-1800
e-Fax 636-438
Angle valves used on hose racks are globe valves.
Sent from my iPhone
On Dec 4, 2012, at 9:52 PM, Ron Greenman wrote:
> I would think the more interesting question would be why are these
> globe valves (which everyone is assuming since I never saw this stated
> in the explanatory material) ins
Some 40 years ago I was taught that the direction of flow when installing a
globe valve was important for two reasons. 1. With the water pressure under
the seat the valve will open easer. 2. It will also keep pressure off the stem
packing in the closed position. It has also been my experience t
Question regarding sump pump? What do you discharge the pump into? Storm drain?
Or to a holding tank of some kind?
Just curious.
Thank
Sent from my iPhone
On Nov 26, 2012, at 5:17 PM, jim.robe...@fluor.com wrote:
>
> Ed,
>
> I have also found that it is good to get the actual cut-sheet wit
I think spacing considerations are sometimes called out by the mfg of the type
of connection being used.
Sent from my iPhone
On Nov 10, 2012, at 8:46 AM, "Bill Brooks" wrote:
> I definitely don't agree with this. Pipe racks are routinely installed in
> industrial settings and are used for tran
> C.Gregg Key, SET
> Key Fire Protection Services,Inc
> Project Manager
> (O) 706-790-3473
> (C) 706-220-8821
>
> -Original Message-
> From: sprinklerforum-boun...@firesprinkler.org
> [mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Mike Cabral
> Sen
erforum-boun...@firesprinkler.org
> [mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Mike Cabral
> Sent: Thursday, October 25, 2012 10:40 AM
> To: sprinklerforum@firesprinkler.org
> Cc: sprinklerforum@firesprinkler.org
> Subject: Re: trip time per nfpa 25
>
> I would check to
I would check to make sure that the air supply to the DPV is working as it
should. The time to trip should never be that long. Is the by-pass open? Sounds
like the make-up air is supplying to much air. The make up air needs to be
restricted. The supply line to the Inspectors Test can be larger t
The air we breath is 78% N2 I think you might want to check into this further.
97 or 98% N2 is about right?
Sent from my iPhone
On Oct 5, 2012, at 6:52 PM, "Tom Duross" wrote:
> N2 Blast #250. 2 1/2" replacement main x 100' with 500' of 1" branches.
> Relatively small. I2 5BRx2B bungalow. 1
Black steel sch 40 with cut grooves is in my view the best option. Gal. Pipe
with any imperfection will cause localized corrosion at any point that has lost
the protection of galvanized coating. Roll grooves for example.
Sent from my iPhone
On Sep 19, 2012, at 11:14 AM, Todd Williams wrote:
>
I agree with Sal. If you use just a solenoid valve what about power back up? If
you loose power you loose the sprinkler system.
Sent from my iPhone
On Aug 22, 2012, at 11:18 PM, "tfscolor...@aol.com" wrote:
> Jim, in the State we operate this is a requirement. We use either Burkert,
> Parker
can. . . (Additives to
sprinkler water . . . don’t get me started.)
Mike Cabral
Phone 636-451-0533
Cell 314-412-1800
e-Fax 636-438-1338
- Original Message -
From: "Cahill, Christopher"
To: "sprinklerforum@firesprinkler.org"
Cc:
Sent: Tuesday, August 21, 2012 9
Do you have enough space to transition to a grooved reducer with 150# 741
flange on one end and a 300# 743 on the other. You can get an eccentric reducer
if needed...
Sent from my iPhone
On Aug 20, 2012, at 1:38 PM, "Tom Duross" wrote:
> That's my option #2.
> A 6x5x9" L. reducer but all 6" p
The dry pendent will hit the radius of the 90 and you can't make up the head.
The top of the DP extends well beyond the pipe wall. I have never used a pipe o
let but I assume it would work.
Sent from my iPhone
On Aug 9, 2012, at 11:16 PM, wrote:
> Hi Brad,
> The reason you don't screw a dry p
Some info on Dr. Coble
Sent from my iPhone
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Sprinklerforum mailing list
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The heat collector shown looks like a product mfg by ASCOA which was intended
for use with HAD's for Supertex Systems.
I think the product was listed for the application however not intended for
sprinklers only for HAD's . I assume same principals would apply to a HAD as a
sprinkler. ASCOA was
Nobody sleeping in the doorway except on some holidays. With this small a space
and location, wall wetting height is in my view not a big issue. You have the
area covered with what you have. Some common sense would be in order here.
Adding a second head won't do anything . . . first one to opera
What Mike H said.
Sent from my iPhone
On May 30, 2012, at 4:37 PM, Mike Henke wrote:
> Bruce,
>
> You have to be careful about this. Some people think it is just a matter of
> wiring the switch backwards.
>
> Monitoring the valve in a normally closed position does not just mean you use
> t
Most of the BFV with internal switch have an NO. NC. wiring option that's why
you see many leads coming from the switch. The position of the cam tab inside
many valves will not allow you use a PIV switch. You can contact Potter which
can provide you with some information or a bracket which will
Not sure however, I have known that company since 1977 a fine well run firm. I
would suspect that making any comment to an open forum like this would make any
lawyers head explode.
Mike C.
Sent from my iPhone
On May 22, 2012, at 3:26 PM, "Tom Duross" wrote:
> Aren't Hampshire Fire members h
Calibration of a good quality gauge is a tool that should be in every service
truck. Just do a google search and you can find a local lab that will calibrate
your gauge to ISO and other standards.
You send it out to be checked on a regular basis.
Sent from my iPhone
On May 16, 2012, at 1
Matt: Here is a link to Potter's corrosion products.
http://www.pottersignal.com/corrosion/
* Potter Electric Announces Nitrogen Generator for Corrosion Protection
Mike Cabral
Phone 636-451-0533
Cell 314-412-1800
e-Fax 636-438-1338
From: Matt
responability to ask for the
information?
Thanks
Mike Cabral
Phone 636-451-0533
Cell 314-412-1800
e-Fax 636-438-1338
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(pun intended.)
Mike Cabral
Phone 636-451-0533
Cell 314-412-1800
e-Fax 636-438-1338
From: Mario Berrios
To: sprinklerforum@firesprinkler.org
Sent: Tuesday, October 25, 2011 11:18 AM
Subject: Re: Water quality for sprinklers
contact Aquacell at www.aquacell.c
Brian: Here is a link to Potter Corrosion products:
http://www.pottersignal.com/corrosion/testing.aspx
Mike
Mike Cabral
Phone 636-451-0533
Cell 314-412-1800
e-Fax 636-438-1338
From: Brian Fain
To: sprinklerforum@firesprinkler.org
Sent: Friday, October 21
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