Thanks ChasBean1 ... the thing is Local Suppliers (I'm From Venezuela) always distribute exhaust fans that can not be connected to ducts (low pressure head) that is why I was looking for a "single-unit".
Do you think any exhaust fan will be ok (providing the length of the duct is to...
Gents:
I am looking for fashionable wall-mounted air extractors but I can't find any ... I saw them once in a "National" Cathalog and they where actually suitable for ducts (I mean they were able to blow air through a 1-1/2 feet long duct).
Do you know about any supplier of this kind...
It is important being "formal" when referring to flanges/valves "classes" otherwise you will have problems like the one I am about to tell you:
When purchasing valves we (as a Company) requested Class-1500 Gate Valves and the vendor supplied 1500-Lbs Gate Valves ... guess...
As Biggy said: ANSI is an "imperial" Standard while "PNxx" is "metric" ... if you're trying to match an ANSI flange with a PN flange, you won't.
The common thing to do is asking the vendor (when you face a piece of machinery with "PN" flanges) to supply...
The answer of KSTaylor gives you the full scenario regarding to this two material specifications, when it comes to valve bodies material.
Please, be aware of the facility you are purchasing this valve for MUST have a "Piping Material Specification" (commonly referred as: "Piping...
