Hengesbach Diaphragm Seals DM-73

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 Seals DM-73

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 seals is a product from hengesbach. Diaphragm seals comes from the categories of pressure measuring. This product from stainless steel. This product is for food and beverage industry, biotechnology and pharmacy. And Mounting to manometer and pressure transmitter.


  • flush welded diaphragm of stainless steel 1.4435 (316L)
  • sanitary connections design DIN 11851, SMS und IDF
    - union nut or male thread -
  • residues-free cleaning of measuring point, CIP- and SIP-compatible
  • mounting to manometer and pressure transmitter
  • for food and beverage industry, biotechnology, pharmacy
  • Specification:

    General information

    Process connectionType 7310: conical sleeve with union nut DIN 11851
     Type 7315: male thread DIN 11851
     Type 7325: APV-ISS male thread
     Type 7370: conical sleeve with hexagon union nut acc. SMS-Norm
     Type 7375: SMS male thread
    Basic bodystainless steel 1.4435 (316l)
    Separating diaphragmstainless steel 1.4435 (316L), welded, other materials on request
    Nominal pressureto DN 40 or 2“ = PN 40
     from DN 50 or 2 ½ = PN 25
    Minimum pressure rangedependent on model, see tables
    Instrument connectionstandard: G ¼ or G ½ acc. DIN EN 837-1
     optional: directly welded
    Filling liquidstandard: paraffin oil, with FDA approval, others filling liquid on request
    Max. cleaning temperature+ 150 °C (+302° F) (for the complete pressure measuring system with pressure gauge NCS
     100 (4") mounted, other versions on request)


    Separating diaphragmstainless steel 1.4435 (316L), electropolished
    Installation- via cooling element
     - via capillary line (please specify the length by ordering)
    Certificatesmaterial certificate 3.1, EN 10204 for medium contacted parts

    Download Data Sheet: Diaphragm Seals DM-73

    Ref: hengesbach.com