This standard identifies o ring sizes by the id x cs, and may be followed by a letter indicating the quality level n normal quality. Orings compounds to improve certain properties like. Oring sealing principles a seal that does not move, except for pulsation. Orings for use in fluid systems, dimensions to iso 36011 this document comes with our free notification service, good for the life of the document.
For the purposes of this document, the terms and definitions given in iso 5598 apply. The eriks oring manual is intended as a guide to assist in the selection of the. Optionally, this designation may be followed by a letter indicating the quality level n normal quality. O ring din 3771,2 x 1,8n nbr 70 continued on pages 2 and 3. Iso 3601 din 3771 power oring wuerth free 3d cad models.
The following symbols are used in this part of iso 3601. For other oring materials, be sure to consult your apple representative. Wuerth fasteners sealing elements sealing rings oring iso 3601 din 3771 power oring 3d cad models. Iso 5598, fluid power systems and components vocabulary. Moulding produces the highest integrity seals over 10, mould tools in our inventory nonstocked tools rapidly made to specification press capacity for precision moulding of endless o rings up to 2. Note throughout this part of iso 3601, the term oring has been adopted, although the correct term is toroidal sealing ring. Din 3771 statique hydraulique pneumatique statique. Oring gland design for dynamic seals oring gland design for static seals standard. Various oring compounds exhibit different shrinkage rates during molding. S special quality, and a code indicating the rubber polymer and irhd hardness.
The eriks oring manual is intended as a guide to assist in the selection of. Other methods should be agreed between the manufacturer and the user. Din 3770 198605 sealing rings orings with special accuracy, made of elastomeric materials. Details of the software products used to create this pdf file can be found in the. Figure 1 typical oring configuration 6 inside diameters, d1, crosssections section diameter, d2, and tolerances 6. Din 377111984, o rings for use in fluid power systems. Orings for which no other special arrangement has been made.
Simrit isc orings are among the most demanded seal ing components. The oring does not require a high loading torque to obtain a leakfree seal. No part of this standard may be reproduced without the prior permission of din deutsches institut fur normung e. Wuerth fasteners sealing elements sealing rings oring din 3771 oring, metric 3d cad models. The din 3771 standard for orings is produced by the duetsches institut fur normung german institute for standards. I grafics for oring deformations according to din 3771 teil 5. Designation of an o ring with an internal diameter, dl, of,2 mm, a section diameter, d 2, of 1,8 mm, quality grade n, made of material nbr with 70 iriid nbr 70. Din912m5x25 o ring din 3771 o215,57 x 2,62 o ring din 3771 o55 x 2 o ring din 3771 o209. The shape of the oring shall be toroidal, as shown in figure 1. Din 3771 1 factory manufacture the rubber o ring for hydraulic pump. Din 3771 oring standard specifications metric oring. Din 3771 o ring sizes the german institute for standardisation din 3771 is a metric standard that defines o ring dimensions by internal diameter and cross section. O rings for which no other special arrangement has been made. Hot water, feed water, steam, heat transfer oil, hydrocarbons and many other media.
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