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* Application it is used in (fan, blower, etc., what are you silencing)?

* Environment (indoor/outdoor)?

* Silencer placement (in-line, inlet, exhaust)?

* Connection dimensions (are there flange requirements)?

* Flow rate (in cfm)?

* Static pressure of the fan?

* Allowable pressure drop?

* Type of gas passing through (clean air, air with particulates, water vapor, chemical fumes, etc.)?

Existing noise levels and at what distance?

* Target noise levels and at what distance?

* When will this be required by (expected to ship)?

Other Details

* Gas type (steam, natural gas, etc)?

* Application type (continuous usage / safety relief valve / blowdown application, etc)?

* Mass flow rate (ex: 20,000 lb/hr)?

* Gas pressure upstream of the valve?

* Gas temperature upstream of the valve?

* Line/pipe size to the valve and pipe/line size to the silencer?

Existing noise levels and at what distance?

* Target noise levels (ex: 95dBA @ 50' for example)?

Distance to the noise source (ex: exit of the pipe)?

NDE requirements, if any. (we typically do RT on high pressure components, PT on lifting lugs and mounting brackets, and visual examination on all other welds)?

Any other requirement (construction, material, paint, special QC, etc)?

* When will this be required by (expected to ship)?

Other Details

* Silencer placement (insert top of stack / replace section of stack)?

* What is the inside dimension of the stack?

* Connection dimensions (are there flange requirements)?

* Flow rate (in cfm)?

* Allowable pressure drop?

* Type of gas passing through (clean air, air with particulates, fumes, etc)?

Existing noise levels and at what distance?

* Target noise level and at what distance?

* When will this be required by (expected to ship)?

Other Details

* Is this an indoor or outdoor application?

* If outdoor, who is responsible for the design of structural steel (what is the wind load)?

* Approximately what is the physical size (footprint) of the enclosure area?

* Will this be a tight-fit (no room) or a standard fit enclosure (ie. minimum of 36" around equipment)?

* Do you know the existing noise levels and at what distance?

* Will you require a door/access points? If so, how many?

* Does the enclosure need ventilation?

* Type of finish on the panels (G90 galvanized, 304 or 316 stainless, factory powder coating, etc.)?

Do you have further requirements that we should know about?

* When will this be required by (expected to ship)?

Other Details

* Is this for indoor or outdoor use?

* If outdoor, advise if installation is on a rooftop or at grade and if it needs to be designed to withstand extreme environmental forces (high wind, snow loads, etc)?

* How many sides are required (1 barrier wall, 2 sides corner, 3 sides)?

* What dimensions are required (length, height)?

* What is the purpose of the barrier system (what equipment is creating the noise)?

* Are there any chemicals present within the enclosure or environment?

* Advise if G90 galvanized finish (standard) is sufficient or if painted finish (extra cost) is required?

* When will this be required by (expected to ship)?

Other Details

* Is this is an indoor or outdoor application?

* Description of what is the cause of the noise.

* When will this be required by (expected to ship)?

Other Details

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