PPS Hex-Head Nuts - Flangeless or Flanged 1/4-28 Connections

  • Economically priced alternative to PEEK
  • Excellent chemical resistance
  • For 1/16" or 1/8" OD tubing (1/32" with inverted ferrule)
  • Fingertight when used with Color-Sleeve adapters

Our PPS 1/4-28 fitting series offers excellent chemical and pressure resistance. Three different sealing options are available.

Click an option to view product numbers.

hex head nut Collapsible ferrule* (flangeless) 1/16 collapsible ferrule nut
hex head nut Inverted ferrule (flangeless) 1/16 inverted ferrule nut
hex head nut Washer (flanged) 1/8 flanged fitting

*Patent No. 6,575,501

Nuts and collapsible ferrules

Ferrules are not included. Order separately.

Description Tubing OD Qty/pkg Product No.
PPS nut for use with collapsible ferrule
1/16" 10 JR-55050-10
1/8" 10 JR-55051-10
Collapsible ferrules PCTFE 1/16" collapsible ferrule 10 JR-CFL-CB1KF
1/8" collapsible ferrule 10 JR-CFL-CB2KF
PEEK 1/16" collapsible ferrule 10 JR-CFL-CB1PK

Nuts and inverted ferrules

Ferrules are not included. Order separately.

Description Tubing OD Qty/pkg Product No.
PPS nut for use with inverted ferrule
1/32" 10 JR-55073-10
1/16" 10 JR-55070-10
1/8" 10 JR-55071-10
1 mm 10 JR-55073-10
2 mm 10 JR-55072-10
Inverted ETFE ferrules
ferrules
1/32" 10 JR-032-10
1/16" 10 JR-041-10
1/8" 10 JR-051-10
1 mm 10 JR-031-10
2 mm 10 JR-042-10
3 mm 10 JR-049-10

PPS nuts and washers for flanged connections

Washers are not included. Order separately.

Description Tubing OD Qty/pkg Product No.
PPS nut for flange/washer connection
1/16" 10 JR-55060-10
1/8" 10 JR-55061-10
PP washer 1/16" 10 JR-201926-10
1/8" 10 JR-201928-10

SEE ALSO: Easy-Flange kit for forming flanges on tubing

SPECIFICATIONS

  • For 1/32" - 1/8" OD tubing
  • Material: PPS
  • 1/4-28 threads
  • Pressure rating (varies with tubing material and ID)
    OD Bar Psi
    1/16" 105 1500
    1/8" 35 500

SEE ALSO

TECH TIP

CHEMICAL RESISTANCE OF PPS

A = suitable
B = marginal
C = not recommended

Chemical class Resistance
Acids, organic A
Acids, inorganic B/C*
Aldehydes A
Alcohols A
Bases B
Esters A
Halogenated org. A/B
Hydrocarbons A
Ketones A

* Concentrated halogen acids