Hengesbach DM-73 Diaphragm Seals

Hengesbach DM-73 Diaphragm Seals For the 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 are a product from Hengesbach. Diaphragm seals come from the categories of pressure measuring. This product from stainless steel. This product is for the food and beverage industry, biotechnology, and pharmacy. And Mounting to manometer and pressure transmitter.

Hengesbach DM-73 Diaphragm Seals Features:

  • the 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 the food and beverage industry, biotechnology, pharmacy


General information
Process connection Type 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 body stainless steel 1.4435 (316l)
Separating diaphragm stainless steel 1.4435 (316L), welded, other materials on request
Nominal pressure to DN 40 or 2“ = PN 40
from DN 50 or 2 ½ = PN 25
Minimum pressure range dependent on model, see tables
Instrument connection standard: G ¼ or G ½ acc. DIN EN 837-1
optional: directly welded
Filling liquid standard: 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 diaphragm stainless steel 1.4435 (316L), electropolished
Installation – via cooling element
– via capillary line (please specify the length by ordering)
Certificates material certificate 3.1, EN 10204 for medium contacted parts

Download Data Sheet: Diaphragm Seals DM-73

Ref: hengesbach.com

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