Inline diaphragm seal, flange connection cell type, per EN and ASME

Type series DP2180

Inline diaphragm seal, flange connection cell type, per EN and ASME - DP2180


  • Suited for measuring aggressive, highly viscous media and for high process temperature
  • Circular diaphragm of stainless steel, slightly grooved, laser welded
  • Volume optimized diaphragm base
  • Self-draining
  • System fillings for different applications
  • Measuring device connection: directly welded, directly screwed, with temperature decoupler, with capillary


  • Material certificate acc. to DIN EN 10204-3.1
  • Special materials upon request

Technical Data

Constructional design / case
Basic body: Volume reduced diaphragm base
  Material: stainless steel mat.-no. 1.4404/1.4435 (316L)
Diaphragm: Inline diaphragm
Material wetted parts: Diaphragm: See order details
  Basic body: Stainless steel mat.-no. 1.4404/1.4435 (316L)
Measuring device connection
See order details.
Material stainless steel mat.-no. 1.4301 (304)
System filling
See order details; further fillings upon request.
Further details about pressure transmission fluids see general technical information TA_038.
Temperature error
In order to optimise the system we provide a detailed error calculation upon request.
With measuring device connection G1/2:
EN connection/ASME connection
DN 25 DN 1" approx. 3,2 kg
DN 40 DN 1 1/2" approx. 4.8 kg
DN 50 DN 2" approx. 6.0 kg
DN 65 DN 2 1/2" approx. 7.6 kg
DN 80 DN 3" approx. 5.9 kg
DN 100 DN 4" approx. 7.2 kg
DN 125 DN 5" approx. 8.3 kg
DN 150 DN 6" approx. 10.2 kg
Further information about diaphragm seals see general technical information TA_031.
Flame arrester MF21xx for connection of measuring devices to zone 0 see data sheet D6-025.
Type series
DP21, DP23, DP24, DP25, DP26, DP27, DP28, DP29, DP61, DP62, DP63, DP64, DP65, DP66, DP67, DP68


  • D5-068

    Data Sheet

  • TA_038

    Technical Information - Pressure Transmission Fluids

  • KE_002

    Declaration of Conformity