Page 214 - Parker - Polyflex Hose Products (Ultra High Pressure Thermoplastic Hose)

polyflex ®
Catalog 4900
Technical Information Dash Size Systems for Hose and Tubing

Dash Sizes
Dash sizes are commonly used to designate hose I. D., plastic tubing and metal tubing O. D. and coupling size.
Dash size systems in common use:

Dash Number Nominal
Nominal Hose I. D. Dash Number for DIN
or Tubing O. D. for all polyflex Hose TFE Hose Size
Inches Millimeters

3/32 2.0 -012
1/8 3.2 -2 – –

3/16 4.8 -3 -4 5
1/4 6.3 -4 -5 6

5/16 7.9 -5 -6 8
3/8 9.5 -6 – 10

13/32 10.3 -6.5 -8 –
1/2 12.7 -8 -10 12
F
5/8 15.9 -10 -12 16
3/4 19.1 -12 – 20

7/8 22.2 -14 -16 –
1 25.4 -16 – 25

1-1/8 28.6 – -20 –
1-1/4 31.8 -20 – 32

1-3/8 34.9 – -24 –
1-1/2 38.1 -24 – 40

1-13/16 46.0 – -32 –
2 50.8 -32 – 50

F5 Parker Hannifin Corporation
Parflex Division polyflex Operations
®
FluidConnectors