Diaphragm seal - welded design

Type series DD8030 (Kopie)

Diaphragm seal - welded design - DD8030 (Kopie)


  • Completely welded design
  • Volume optimised diaphragm base
  • Process connection G1/2 B or 1/2“ NPT
  • 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
Design: - PN 60, max. pressure 60 bar, diaphragm Ø 62 mm
- PN 400, max. pressure 400 bar, diaphragm Ø 62 mm
Basic body: Volume reduced diaphragm base
Material: stainless steel mat.-no. 1.4404/1.4435 (316L)
Diaphragm: Flat diaphragm
Material wetted parts: Diaphragm: Stainless steel mat.-no. 1.4435 (316L)
Further materials upon request
  Basic body: Stainless steel mat.-no. 1.4404/1.4435 (316L)
Process connection
Design: G1/2 B male or 1/2“ NPT male, see order details.
Stainless steel mat.-no. 1.4571 (316Ti)
  Further designs upon request.
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 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: PN 60: 0.75 kg
PN 400: 4.5 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


  • D5-042


  • TA_038

    Technische Anleitung - Druckübertragungsflüssigkeiten