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Thread Seals

Guarniflon® thread seals have been developed in the years in a special PTFE compound able to satisfy the following main requirements:
  • the perfect sealing application on the threads;
  • the necessary deformation (expansion) to overcome the thread and the following shrinking to the original dimension on the threads.
USE
DIMENSION OF THE GROOVE

D
Thread

C
Before Knurling

B
Minimum

A

R 1 ½"

43,6 + 0,2

4,5

4,6 + 0,1

R 1 ¼"

37,6 + 0,2

4,5

4,6 + 0,1

R 1 "

29,1 + 0,1

4,5

4,6 + 0,1

R ¾"

23,1 + 0,1

3,5

3,7 + 0,1

R ½"

17,6 + 0,1

3,5

3,7 + 0,1

R ⅜ "

13,9 + 0,1

3,5

3,7 + 0,1

R ¼"

10,4 + 0,1

3,5

3,7 + 0,1

Guarniflon® is supplying its thread seals to the main international companies involved in the hydraulic field.
A wide selection of standard sizes available on stock:
  • ¼”: 12,2x9,4x3,6 mm
  • 3/8”: 15,3x12x3,6 mm
  • ½”: 19,3x16x3,6 mm
  • ¾” 24,3x21x3,6 mm
  • 1”: 30,7x26,5x4,3 mm

Customized sizes available on request.