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Common Tube Sizes - PTFE

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Common Tube Size Solid Plastic Dip Pipes


Part Number:  As shown here, the PART NUMBER (S-RNG-NS-MF-L1-L2-SP) defines solid S, the series (three characters), the nominal tube and connecting flange size NS, the mounting (or nozzle) flange size MF, and the insertion length L1. Use a decimal number to indicate NS. Then, replace MF with the decimal number to indicate the nominal size of the mounting flange and replace L1 with the insertion length in inches.  Replace L3 with optional bend in degrees and replace SP with S for sparger.

For example, a 1-1/2” Double-Flange Dip Pipe with a 4” mounting flange x 60” insertion length would be S-DDF-1.5-4-60

Note 1:  Standard flanges have ANSI Class 150 drilling.  Class 300 and other sizes available.

Note 2:  Standard tolerance on inserted length is ± 1/2".  Closer tolerances available, contact factory.

Note 3:  Standard distance (L2) between flange sealing faces is 5".  Spacing is increased when a reinforcing collar is used.  To order non-standard spacing, contact factory.

Note 4:  Most dimensions are governed by connecting flange size as shown in the Standard Dimension Table.

Note 5:  Maximum standard overall length is 16 feet.  For longer lengths, contact factory.

Note 6:  For service conditions exceeding 350 F°, or 150 PSI, or vacuum service, contact factory.

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  Results 1 - 5 of 5 1 

Item #

Nominal Size


Nominal ID

Suggested Min. Flange Thickness

1 1-1/4 Tube 1/2" 1
2 1-3/8 Tube 3/4" 1
3 1-3/4 Tube 1 1-1/2
4 2-1/4 Tube 1-1/2 2
5 3 Tube 2 2-1/2
  Results 1 - 5 of 5 1