Orifice Assembly FLS -- DISCONTINUED
- Use model VMO as a replacement
- For use with natural gas, propane and air
- Provides accurate metering of gas flow to industrial gas burners
- Economical measurements to facilitate proper air/fuel ratio adjustment
- Available pipe size ⅜″ through 2″
- Custom orifice dimensions
- Simple installation

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Description Documentation Ordering Information
Model and Description | Price | Cart |
FLS 110TN05Z Connection Pipe Size: ⅜″ NPT; Orifice: Custom (call to order); Flow Rates: Dependent on size of orifice |
N/A | No longer available consider a VMO as a replacement |
FLS 115TN05Z Connection Pipe Size: ½″ NPT; Orifice: Custom (call to order); Flow Rates: Dependent on size of orifice |
N/A | No longer available consider a VMO as a replacement |
FLS 120TN05Z Connection Pipe Size: ¾″ NPT; Orifice: Custom (call to order); Flow Rates: Dependent on size of orifice |
N/A | No longer available consider a VMO as a replacement |
FLS 125TN05Z Connection Pipe Size: 1″ NPT; Orifice: Custom (call to order); Flow Rates: Dependent on size of orifice |
N/A | No longer available consider a VMO as a replacement |
FLS 232TN05Z Connection Pipe Size: 1 ¼″ NPT; Orifice: Custom (call to order); Flow Rates: Dependent on size of orifice |
N/A | No longer available consider a VMO as a replacement |
FLS 240TN05Z Connection Pipe Size: 1 ½″ NPT; Orifice: Custom (call to order); Flow Rates: Dependent on size of orifice |
N/A | No longer available consider a VMO as a replacement |
FLS 350TN05Z Connection Pipe Size: 2″ NPT; Orifice: Custom (call to order); Flow Rates: Dependent on size of orifice |
N/A | No longer available consider a VMO as a replacement |
For all other configurations and spare parts Contact Combustion 911
Description
The orifice assembly FLS provides accurate metering of gas flow to industrial gas burners. The FLS orifice assembly consists of two threaded flanges, each containing a pressure tap, and one orifice plate. The orifice plate is sandwiched between the flanges, and the assembly is bolted together. This product comes completely assembled. You must Contact Combustion 911 to specify the size of the orifice (in 0.1mm increments).