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Diaphragm Seals

Flanged connection diaphragm seals

When you have to deal with agressive media, a seal provides vital protection to the instrument. The instrument can be directly mounted to the seal and the seal is directly mounted to the process with the flanged connection.

The large variation in available options makes sure there is always a fitting product for you. The material of the flange body is available in many different steels, stainless steels or even titanium! Similarly, the seal can be coated with ECTFE or PFA, or even with Gold!

Furthermore, the flanges we offer are always certified according to international standards and made with the highest care and quality materials.

Common process connections according to international standards

In line with DIN EN 1092-1

Common connection sizes according to DIN EN 1092-1 you may recognise are: DN 25, DN 40, DN 50, DN 65, DN 80, DN 100 and DN 125

In line with ASME B16.5-2017

Common connection sizes according to ASME B16.5-2017 are: 1″, 1 ½”, 2″, 2 ½”, 3″, 4″ and 5″

In line with GOST 33259

Common connection sizes according to GOST 33259 that are commonly seen in practice are: DN 25, DN 40, DN 50, DN 65, DN 80, DN 100 and DN 125

In line with API 6A

The most common connection options in line with API 6A are: 1 1/8″, 1 1/16″, 1 13/16″ and 2 1/16″.

In line with JIS B2220

Then lastly, common JIS B2220 connection options are: DN 25A, DN 40A, DN 50A, DN 80A and DN 100A.

Do you need assistance in choosing the correct flanged diaphragm seal for your application? Let us know and fill in our contact form with your request!

General contact

Driemanssteeweg 190
3084 CB Rotterdam
The Netherlands