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Metal-O-rings

Metal-C-rings

PTFE Seals

Radial Lip Seals

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PTFE Seals

Index

General Information
Standard-Radial Seals (Piston- and Rod Seals)
Standard-Axial Seals

For Internal Pressure
For External Pressure/Vacuum

Seal Selection and Operation Range
Materials

Hardware and Groove Dimensions

Groove dimensions PTFE seals type 414 und 143

Surface Finish (Rod and Housing)
Sterilisable Seals and Integral Piston Seals

Seal Numbering System and Part Number Examples
Information for Installation

Hardware and Groove Dimensions

Radial Seals:

For Types 400, 401, 402, 4VS, 4FM, RP, RS, 103, 113, 123, 103H, etc.

Rod Seals:

For rod seals use the dimension B for Nominaldimension.
Dimension B = rod diameter

Piston Seals:

For piston seals use the dimension A for Nominaldimension.
Dimension A = cylinderbore diameter

Groove Dimensions - Radial Seals:

Nominal cross section	A mm		B mm		G + 0,25 mm	T + 0,05 mm	R mm	E max mm
Nominal cross section	from	to	from	to	G + 0,25 mm	T + 0,05 mm	R mm	E max mm
1/16’’	4,4	150	1,3	150	2,4	1,42	0,2	0,1
3/32’’	8	300	3,5	300	3,6	2,26	0,2	0,13
1/8’’	12,5	500	6,5	500	4,7	3,07	0,25	0,13
3/16’’	22	800	12,5	800	7,1	4,72	0,3	0,15
1/4’’	37	1200	25	1200	9,5	6,05	0,3	0,2
3/8’’	95	3000	75	3000	15	9,5	0,4	0,3
1/2’’	175	3000	150	3000	18	12,7	0,5	0,4
3/4’’	340	3000	300	3000	25	19,05	0,8	0,5

We can also ship special sizes, special designs, each diameter and dimensions between 2 mm and 2000 mm diameter.

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Axial Seals:

For Types 403, 304, 1100 and 2100 for internal pressure, and Types 404, 314, 1101 for external pressure and vacuum.

Seals for internal pressure use the outside diameter OD as Nominal diameter. (Nominal diameter = groove outside diameter).

Seals for external pressure and vacuum use the inside diameter ID as Nominal diameter. (Nominal diameter = groove inside diameter).

Groove Dimensions - Axial Seals:

Nominal cross section	ID mm - 0,25		AD mm + 0,25		G + 0,25 mm	T + 0,05 mm	R mm	E max mm
Nominal cross section	from	to	from	to	G + 0,25 mm	T + 0,05 mm	R mm	E max mm
1/16’’	5	150	10	150	2,4	1,42	0,25	0,1
3/32’’	8	300	14	300	3,6	2,26	0,25	0,13
1/8’’	12	500	18	500	4,7	3,07	0,4	0,13
3/16’’	25	800	35	800	7,1	4,72	0,6	0,15
1/4’’	55	1200	70	1200	9,5	6,05	0,6	0,2
3/8’’	120	3000	150	3000	15	9,5	0,6	0,3
1/2’’	215	3000	250	3000	18	12,7	0,8	0,4
3/4’’	300	3000	350	3000	25	19,05	1,0	0,5

We can also ship special sizes, special designs, each diameter and dimensions between 2 mm and 2000 mm diameter.

Kalrez® and Viton® are registered trademarks of DuPont Dow Elastomers.

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