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Upchurch Scientific VacuTight Fitting for 1/16 inch OD Tubing, 1/4-28 Flat-Bottom, Standard Knurl, PEEK, Natural, 100/pk - P-938C

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VacuTight™ Fitting for 1/16” OD Tubing, 1/4-28 Flat-Bottom, 400–800 psi (27–55 bar), Standard Knurl, PEEK Natural, 100 per pack

Includes P-840 Ferrule

Product Number: P-938C

Categories: Fittings, Flat-Bottom Fittings, Fluidic Connections, VacuTight Fittings

The Upchurch Scientific / IDEX Health & Science / Biotech Fluidics VacuTight Fittings are specifically designed to provide optimal, airtight and dependable connections under vacuum and low pressure conditions. These versatile VacuTight Fittings offers a streamlined profile usable for systems that have a large number of connections in a small area. Fittings include a P-840 ferrule for 1/16" OD. This fitting is natural color and has 1/4-28 thread port configuration.

Related Products:

  • 1535 - PEEK Tubing Red 1/16" OD x .005" ID x 5ft
  • A-327 - Plastic Tubing Cutter

Available in the Following Configurations:

  • P-938 - Single pack
  • P-938X - 10 per pack
  • P-938C - 100 per pack

VacuTight™ Fittings

  • For 1/16” or 1/8” OD tubing connections into 10-32, 1/4-28, or M6 flat-bottom ports
  • Vacuum Rated to 25 in-Hg (84 kPa)
  • Improve transfer volume consistency

VacuTight Fittings are designed to provide airtight, dependable connections under vacuum and low pressure conditions. Many of the VacuTight Nuts have streamlined profiles for use in systems requiring a large number of connections in a small area. Furthermore, the VacuTight Ferrule’s small size ensures sufficient nut/thread engagement, even in shallow ports. These features make VacuTight Fittings ideal for “combichem” high throughput screening, clinical diagnostic, and other automated
liquid handling applications.

The configuration of the VacuTight flat-bottom ferrules prevents overcompression and tubing ID reduction that can occur with many coned fittings. The result is more consistent aspirating and dispensing volumes across all system connections. The VacuTight fittings can also work well in some positive pressure applications.

The pressure range for each fitting is listed below and depends upon the tubing used for the connection.

Please note that some of the VacuTight fittings have changed in color from red to black; however, this color change does not affect product performance. All VacuTight Nuts must be used exclusively with VacuTight Ferrules.

Part No. Description Port Pressure Rating Head Style Material
VACUTIGHT FITTINGS (INCLUDES P-840 OR P-940 FERRULES)
P-842 VacuTight Fitting for 1/16” OD Tubing, Short 10-32 Flat-Bottom 400–800 psi (27–55 bar) 1/4” Hex PEEK Red
P-844 VacuTight Fitting for 1/16” OD Tubing, Short 10-32 Flat-Bottom 400–800 psi (27–55 bar) Headless Knurl PEEK Red
P-846 VacuTight Fitting for 1/16” OD Tubing, Long 10-32 Flat-Bottom 400–800 psi (27–55 bar) Headless Knurl PEEK Red
P-930 VacuTight Fitting for 1/16” OD Tubing 1/4-28 Flat-Bottom 400–800 psi (27–55 bar) Standard Knurl Delrin Red
P-931 VacuTight Fitting for 1/16” OD Tubing M6 Flat-Bottom 400–800 psi (27–55 bar) Standard Knurl Delrin Red
P-938 VacuTight Fitting for 1/16” OD Tubing 1/4-28 Flat-Bottom 400–800 psi (27–55 bar) Standard Knurl PEEK Natural
P-942 VacuTight Fitting for 1/8” OD Tubing 1/4-28 Flat-Bottom 500–1,000 psi (34–69 bar) Standard Knurl Delrin Red
P-945 VacuTight Fitting for 1/8” OD Tubing, Short M6 Flat-Bottom 500–1,000 psi (34–69 bar) Standard Knurl Delrin Black
P-946 VacuTight Fitting for 1/8” OD Tubing 1/4-28 Flat-Bottom 500–1,000 psi (34–69 bar) Headless Knurl Delrin Red
P-948 VacuTight Fitting for 1/8” OD Tubing 1/4-28 Flat-Bottom 500–1,000 psi (34–69 bar) Standard Knurl PEEK Natural
REPLACEMENT FERRULES
P-840 VacuTight Ferrule for 1/16” OD Tubing M6 or 1/4-28 Flat-Bottom 400–800 psi (27–55 bar) ETFE Red
P-940 VacuTight Ferrule for 1/8” OD Tubing M6 or 1/4-28 Flat-Bottom 500–1,000 psi (34–69 bar) ETFE Red

  • Model: P-938C
  • Manufactured by: Upchurch Scientific