Nuts and Ferrules for HPLC Tubing

What's on this page?

  • characteristic male nuts of different manufacturers and how to recognize them

  • characteristic ferrules of different manufacturers and how to recognize them

  • which male nuts and ferrules are interchangeable and which are not

  • protrusion numbers of tubing with swaged ferrules of different manufacturers

  • a scale drawing of ferrules and nuts available from other manufacturers

  • how to recognize metric and English type threads

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Male nuts

nut Parker

Parker, length 0.210"

nut Rheodyne

Rheodyne, length  0.220"

nut Rheodyne

Rheodyne, length 0.250"

nut Rheodyne

Rheodyne, length 0.520"

nut Swagelok

Swagelok, length 0.225"

nut Uptight

Uptight, length 0.250"

nut Valco

Valco, length 0.300"

nut Waters

Waters, length 0.320"
 

Protrusion lengths

Parker

Parker, protrusion length 0.090"

Rheodyne

Rheodyne, protrusion length 0.170"

Swagelok

Swagelok, protrusion length 0.090"

Uptight

Uptight, protrusion length 0.090"

Valco

Valco, protrusion length 0.080"

Waters

Waters, protrusion length 0.130"
 

Overview nuts and ferrules

Click on the drawing for a large full screen view (size: 120kb).

clcik for large image

 

 

Ferrules

ferrule Parker

Parker

ferrule Rheodyne

Rheodyne

ferrule Swagelok

Swagelok: consists of a small back and large front ferrule

ferrule Uptight

Uptight

ferrule Valco

Valco

ferrule Waters

Waters
 
Interchangable ferrules

Nuts and ferrules that are interchangeable come from Parker, Swagelok and Uptight.

Parker

nut Parker

Parker

Swagelok

nut Swagelok

Swagelok

Uptight

nut Uptight

Uptight
 

Not interchangable ferrules

Ferrules that are not interchangeable come from Rheodyne, Valco and Waters

Rheodyne

Rheodyne

Valco

Valco

Waters

Waters
 

Threads

English type: 1/4" male nut with 28 threads

(1/4-28 threads)

English type thread

 
English type: 10-32 threads

English type 10-32 thread

 
Metric M6 threads

metric M6 thread

 
last update: augustus 11, 2007