RE: calc procedure logic

...epilogue... The next time a similar situation comes up I will weigh Options A B: Option A, step 1- start with a listed head with listed RTI and listed Temp rating. step 2- remove RTI, Temp Rating, chance of accidental fusing, and chance of not fusing when it should. step 3- spend a year and

Re: calc procedure logic

Ask them if they flowed it at a specified pressure instead of velocity and you will avoid glazed eyes. Speak their language And no, outside its listing they likely won't stand behind it because there is nothing to stand on. Sent from my iPhone On May 24, 2013, at 8:52 AM, Brad Casterline

Re: calc procedure logic

Brad, I can tell you from personal experience that pressure and pattern are not closely linked for most standard sprinklers. At the listed operating pressure, the sprinkler achieves the pattern for the listed/required area. Increasing the pressure, as Q=K*Sq Rt P states, will increase the

RE: Can't find a date

I have a Model 38B Automatic Sprinkler 1/2 SSU head. I cant find the date. 165*F is on the solder link. 38-600 is on the deflector. I know it has a date somewhere. It is about 40 years old Arthur Tiroly ATCO Fire Protection Design Tiroly and Associates 24400 Highland Rd rm 25, CLE 44143

RE: Can't find a date

I have a 63 model of that same head, look at the fusible link. Mine says 165 (degree) 63. So I assume it's a 63 model. David Autry Meininger Fire Protection Inc. 2521 W L St. Suite No.4 Lincoln, Ne 68522 Voice (402) 466-2616 Fax (402) 466-2617 da...@mfp-inc.com -Original Message- From:

RE: Can't find a date

Art Can't find a date? Try E-Harmony! Regarding the head: When I started with ASCOA, the standard sprinkler was Model 38. B came later, but not much. I'll bet that head's closer to 50 y.o. (like us). Anyhow, the date's stamped on duck bill or the link if it hasn't worn off. Fyi, the duck bill

RE: Can't find a date

Found it on the link next to temp - '70. Thanks Arthur Tiroly -Original Message- From: sprinklerforum-boun...@lists.firesprinkler.org [mailto:sprinklerforum-boun...@lists.firesprinkler.org] On Behalf Of David Autry Sent: Friday, May 24, 2013 3:43 PM To:

Re: Can't find a date

Wish I was closer to 50. bv - Original Message - From: Vince Sabolik vi...@wtfp.net To: sprinklerforum@lists.firesprinkler.org Sent: Friday, May 24, 2013 12:55:43 PM Subject: RE: Can't find a date Art Can't find a date? Try E-Harmony! Regarding the head: When I started with