Hengesbach Diaphragm Seal DM-7390

Hengesbach is a company from Deutschland. And Hengesbach develops, manufactures and distributes innovative measuring technology for applications in production processes where functionality, reliability and accuracy of the instruments are of highest priority even under extreme process conditions. This modern understanding of value creation of a medium-sized company already has a long tradition with us. Based on many years of experience, we know that the success and strategic security of the company is the result of a lasting and uncompromising appreciation of all involved stakeholders – and this in a global context.

Hengesbach develop and produce measuring instruments with a clear focus on the worldwide active dairy, food and beverage industry. Especially within these applications, highest hygienic requirements for the production of safe products are essential prerequisites. The product of Hengesbach Such as level measuring, flow measuring, pressure measuring, temperature measuring, analytical measurement, evaluation. One of the product that come from Hengesbach is pressure measuring.

Diaphragm Seal DM-7390

For application-orientated solutions in pressure measuring technology, Hengesbach offers a wide range of mechanical devices and electronic pressure and differential pressure transducers based on modern sensor technology, as well as specific diaphragm seals with corresponding accessories.

Diaphragm Seal DM-7390 is a product from hengesbach. DM-7390 comes from categories of pressure measuring. DM-7390 is from stainless steel. And this product mounting to manometer and pressure transmitter.


  • flush welded diaphragm of stainless steel 1.4435 (316L)
  • connection with or without attachement block flange
  • high pressure measuring of highly viscous media in homogenizing systems
  • several dimensinons available
  • mounting to manometer and pressure transmitter


General information

Process connectionConnection for homogenizing systems ø 23,8 – immersion length 13 mm
 Type MDM 7390
Basic bodystainless steel 1.4571
Separating diaphragmstainless steel 1.4435 (316L) , other materials on request
Nominal pressurePN 600 ( PN 1000 on request)
Minimum pressure range0/10 bar to 0/1000 bar, see tables
Instrument connectionstandard: G 3/8 female ( 3/8" BSP female)
Filling liquidstandard: Glycerine, others filling liquid on request
Reference temperature+ 20 °C (+68 °F)
Accessoriesattachment block flange of 1.4301, 95 x 43 x 28 mm
 2 holes ø 17,5 mm, distance 60,5 mm
 other dimensions on request


Separating diaphragmstainless steel 1.4435 (316L), elektropolished
Installation- via cooling element
 - via capillary line (with upper part welded)
Certificatesmaterial certificate 3.1, EN 10204 for medium contacted parts

Download Data Sheet: Diaphragm Seal DM-7390

Ref: hengesbach.com