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Uniweld UNF3 Nitrogen Flow Indicator with 1/4-Inch Female Flare Inlet Connection and 1/4-Inch Male Flare Outlet Connection

Uniweld UNF3 Nitrogen Flow Indicator with 1/4-Inch Female Flare Inlet Connection and 1/4-Inch Male Flare Outlet Connection

Product Code(SKU): S00PVEM05V

Import from USA in Pakistan Import from USA in Pakistan

Availability: Instock in USA

Product Category: Tools & Home Improvement

Amazon Category: Home Improvement

Product weight: 1.00 Pounds

Brand: Uniweld

Our Price: 32,089 PKR

  • Amazon Rating: 4.7 out of 5
  • Amazon Rating: 4.7 out of 5
  • Amazon Rating: 4.7 out of 5
  • Amazon Rating: 4.7 out of 5
  • Amazon Rating: 4.7 out of 5
  • (4.7)

Important : This product will take 3 to 4 weeks to delivery at your doorstep.

product description:

*New and improved version is the Uniweld NV1 Nitrogen Flow Indicator* Uniweld UNF3 Nitrogen Flow Indicator provides extremely low pressure precision gas flow control for nitrogen purging applications during the brazing of copper tubing in Air Conditioning and Refrigeration systems. The nitrogen must be flowing to displace the oxygen inside the tubing during the brazing process, preventing internal oxidation and the resulting scale. Scale build up inside the tubing can cause blockage in the TXV and within the Air Conditioning and Refrigeration system resulting in premature failure. The UNF3 Nitrogen Flow Indicator uses a float ball to visually confirm the nitrogen is flowing and allows the technician to first flush the copper lines at 25-35 CFH and then reduce the flow to 3-4 CFH during the brazing process thus conserving and saving nitrogen. If the ball does not rise in the tube there is no flow of nitrogen only static pressure and oxygen is not being displaced. The UNF3 maximum inlet pressure is 50 PSI and must be connected to a Nitrogen Regulator with 1/4 inch male flare outlet connection (Uniweld Part No. RHP400, RHP500, RHP800 - Sold Separately) to control the nitrogen gas pressure.
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