SMS seals
The SMS Techné seal complies with the SMS 1149 standard and can only be installed in fittings complying with the SMS 1146/1147 standard (for an 1145 tube).
There are two SMS seal profiles: the R-type SMS seal has a rectangular cross-section, while the L-type SMS seal is flanged. After careful study, Techné can manufacture SMS seals with non-standard dimensions and in other materials.
The SMS R or L section fitting seal is mainly used in the food industry.
A complete fitting consists of a threaded nose, a connector tube, a nut and an SMS R or L seal.
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Materials and approvals
SMS R or SMS L seals are available in elastomers (EPDM, FKM, MVQ and NBR) and PTFE.
For its standard ranges, Techné supplies SMS seals in various elastomers and thermoplastics:
- NBR black
- EPDM peroxide black
- MVQ peroxide translucent
- FKM black
- PTFE white
Other materials are available on request, to meet specific needs:
- Metal detectable elastomers
- NBR blue
- Other materials on request
Techné compounds are developed in compliance with the regulatory requirements in force in many countries. Depending on the mix and color, the following approvals are available:
Food approvals:
- FDA
- CE 1935/2004
- GB 4806.11 / GB 9685
- BNIC / Cognac
- 3A
Pharmaceutical:
- FDA
- USP VI
Drinking water industry:
- ACS
- UBA / W270
- WRAS