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Hi : I did post this in Gas piping forum, But i think it should be here, the question is: How far is an open flame (water bath heater) can be placed from above ground NG piping flange connection, taking into consideration: we have a tight area, and there is no leak except in an abnormal...

Hi Guys, I have an urgent question, how far is an open flame (water bath heater) can be placed from above ground NG piping flange connection, taking into consideration: we have a tight area, and there is no leak except in an abnormal conditions (Class I, Div 2) And how to document this finding...

I donna am I late for your question or not, but there is a company I work with and they have a lot of options all work on 24 VDC, UV, IR or UVIR flame detectors check: De-tronics Thanks

Calfersoporte: Thank you for you reply, and maybe I didnt clarify exactly what I'm looking for, basiclly it is a thermal actuator which triggers (close - in case of fire) at a preset temperature let say 190 degF), and my client is not looking for a remote controlled one (cuz of cost, as we'll...

I'm trying to find manufacturer/Supplier for fusible link actuator to be installed on 3" and 4" groves class 600 or if they have the complete valve +actuator that will be considered too, one feature I'm looking for is the ability to override the fusible link and operate the valve manualy. Any...

You still need to go back to the NEC article 500 for the definitions of Class I, Div 1 and 2, to make sure if your conditions of flammable mixture presence is still the same i.e still occur under upnormal conditions. To the best of my knowledge 10 ft and 5 ft and others are recommendation...

I dont know am I posting in the right place or not, but I'm trying to find the effect of (if any) placing a 24 VDC control system in a station right under High voltage power transmission line (when I say High voltage I dont have figure, but I can tell you that if I'm standing under/close to the...

You can also check the DOT, Office of pipeline safety, part 192 federal regualtion, 49 CFR 192.

I hate to bring up a dead topic alive again, but I couldn't help it. anyway, the problem I think is 2 parts, the first one is gas escaping from one of the control elements which is either the valve or the swtich, and the other part is the case of fire, which is mainly beacuse installation was...

Hi All, I guess this will be abit long, I'm designing the controls for a regulating station for a Class I Div I location, and all of the inside instrumentation are exiting via a terminal block then going to the control building. my question is : Can I connect also the field equipment (which is...

Thanks Hacksaw, I guess the TB are in Class I Div II, (I mean outside the building.

Hi All, I guess this will be abit long, I'm designing the controls for a regulating station for a Class I Div I location, and all of the inside instrumentation are exiting via a terminal block then going to the control building. my question is : Can I connect also the field equipment (which is...

if anyone can help me in finding the website for rockwell plug valves if they still around, I heard they are now with Nordstrom, but I couldn't find anything about Rockwell. Thank you

I'm sorry if this question have been answered before, but just bear with me, I got a 30" plug valve, and this system need to be upgraded with an actuator, I may need to remove the plug and put a new ball valve, but of course (budget). My question is finding a rough figure of torque needed...