Inline diaphragm seal, threaded pipe connection DN 15

Type series DS1260

Inline diaphragm seal, threaded pipe connection DN 15 - DS1260


  • Circular diaphragm of stainless steel, slightly grooved, laser welded
  • Pipe connections 10 × 1.5 up to 20 × 2
  • Volume optimized diaphragm base
  • System fillings for different applications
  • Measuring device connection: directly welded, directly screwed, with temperature decoupler, with capillary


  • Material certificate acc. to 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)
Process connection
Design: DN 15, directly welded to pipe or connec-tion to Swagelok- oder Ermeto screwing.
Nominal pressure, Nominal width: See order details.
  Nominal pressure stages as per order details correspond with the threaded pipe connections per DIN 2391. Maximum nominal pressure stage: PN 250. The nominal pressure stage of the pipe connection has to be observed.
Sealing are not included in the scope of delivery.
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 G1/4 approx. 1.0 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


  • D5-067

    Data Sheet

  • TA_038

    Technical Information - Pressure Transmission Fluids


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