Re: Sprinkler Valve Hook-Up

[Jim Davis <alarminex@xxxxxxx>]

On Wednesday, June 19, 2019 at 8:53:30 PM UTC-4, Bob La Londe wrote:
> On 6/19/2019 5:10 AM, ABLE1 wrote:
> > On 6/18/2019 9:26 PM, Jim Davis wrote:
> >> On Monday, June 17, 2019 at 6:53:08 PM UTC-4, ABLE1 wrote:
> >>> Hey you's guys,
> >>>
> >>> I am connecting a Fire Alarm system to a new sprinkler system.
> >>> The valves installed are a bit different in that the connection
> >>> where the wire leads exit the valve body has a unknown
> >>> female thread.
> >>>
> >>> http://www.aleumusa.com/products/but...e-grooved-300/
> >>>
> >>> It is smaller than a 1/2" NPT so I can't use a Chase Nipple into a
> >>> box for the wire splice. There was a rubber threaded hex nut
> >>> already installed but I don't think it will hold up as a metal
> >>> Chase Nipple.
> >>>
> >>> This rubber plug appears to have a straight thread not a tapered
> >>> which is also odd. The outside diameter of the threads is .790".
> >>>
> >>> Does anyone know what kind of thread this might be and/or
> >>> what can be used to adapt to it in order to make a secure
> >>> connection of a junction box??
> >>>
> >>> Sadly the instructions are skimpy on the details.
> >>>
> >>> Thanks for any assist,
> >>>
> >>> Les
> >>
> >> Sorry, can't help you. But you might be able to take an impression of=
=20
> >> the thread with some clay or duct seal and bring it to a pluming shop.=
=20
> >> They may be able to come up with something for you. Also, die sets=20
> >> come with a thread matching tool. If you don't have a die set try a=20
> >> machine shop. I'm guessing that it's metric.
> >>
> >=20
> > Jim,
> >=20
> > I am guessing you might be right.=C2=A0 However, the Mfg. Sales Rep
> > said it was a US Standard.=C2=A0 I got more specific with him and
> > he said he would have to check with the home office.....
> > in Korea, and was to get back to me......... yesterday.......
> >=20
> > Thinking he lost my number........ I am calling again today.
> >=20
> > Boggles the mind!!!=C2=A0 Oh, I am trying to type NICELY!!=C2=A0 :-)
> >=20
> > Les
>=20
> I know a guy who could match that thread right up.  Just take it off and=
=20
> send it to him.  Bob something I think.
>=20
> I've run across a number of threads on Chinese parts that seem odd, but=
=20
> unless its an outdoor sprinkler riser usually you can find something=20
> good enough to jam on there so you can make your connections.  Probably=
=20
> its something the guy on the shop floor just invented because nobody=20
> told him what it was supposed to be.  100-150 years ago or so that was a=
=20
> real problem.  Every shop wanted to make their own thread.

Yeah, I guess that was back when you were a youngun just getting started HU=
H? :-))