Hengesbach Diaphragm Seals DM-73...7887

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...7887

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 DM-73...7887 is a product from hengesbach. DM-73...7887 from the categories of pressure measuring. This product is from stainless steel and for food and beverage industry, biotechnology and pharmacy. And mounting to manometer and pressure transmitter.


  • flush welded diaphragm of stainless steel 1.4435 (316L) - special materials on request -
  • aseptic-/sterile connection for o-ring sealing
  • residues-free cleaning of measuring point, cip- and sip-compatible
  • mounting to manometer and pressure transmitter
  • for food and beverage industry, biotechnology, pharmacy
  • model 7887 for modular connection system\


General information

Process connectionWith union nut, stainless steel 1.4301 polished:
 Type 7310.1: DIN 11 864 -1, DN 25…80
 Type 7311:  DIN 11 851, aseptic screw connection (acc. Südmo)
 Type 7312:  Naue sterile screw connection DN 40…80
 Type 7313:  Varivent® DN 50, 68
 Type 7316:  Guth- (or LKM-) aseptic screw connection, DN 40…80
 Type 7317:  Neumo sterile screw connection for DIN-tubes, DN 40…80
 Type 7317.1: Neumo sterile screw connection for ISO-tubes, DN 40 …50
 Type 7319:  APV-Inline sleeve, DN 50
 Type 7340.5: Neumo Clamp sterile connection for DIN-tubes DN 40…80
 Type 7340.9: Neumo Clamp sterile connection for ISO-tubes DN 40…80
 Type 7887:  Modular system VARIMESS, with loose pressure screw, EHEDG
Basic bodystainless steel 1.4435 (316L)
Separating diaphragmstainless steel 1.4435 (316L), welded, other materials on request
Nominal pressurePN 10 to PN 40, dependent on model
 Pressure stage of process connection pieces are to consider!
Minimum pressure rangedependent on model and mounted instruments type
Instrument connectionstandard: G ½ 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
Anbauarten (mounting form) of measuring instruments- via cooling element
 - via capillary line (please specify the length by ordering)
CertificateMaterial certificate 3.1, EN 10204 for medium contacted parts
 EHEDG-certificate for approved versions

Accessories/ mounting parts

 process connection pieces, sealing etc.

Download Data Sheet: Diaphragm Seals DM-73...7887

Ref: hengesbach.com