Constructional design / case
| Basic body: | Volume reduced diaphragm base Material: stainless steel mat.-no. 1.4404/1.4435 (316L) |
| Diaphragm: | Flush-mounted diaphragm, laser welded; with reduced temperature influence and reinforced diaphragm in LTC technology. (LTC=Low Temperature Coefficient, fur-ther details see General technical infor-mation TA_031). |
| 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: | HYGIENIC Tubus: Ø 101 mm |
| Diaphragm surface: | Ø 85 mm |
| Nominal pressure: | PN 10 |
| Gasket: | - Material EPDM, FDA compliant, Temperature range: -45...150 °C - Material FKM O-ring (Viton), Temperature range: -40...200 °C |
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. |
Hygienic design
| The surface roughness of the wetted parts made of stainless steel are executed according to EHEDG Doc.8 and ASME BPE SF3. |
| In case of choosing the additional feature HY, we guarantee the following surface roughness values: |
| Diaphragm foil: Ra ≤ 0.38 µm Laser welds: Ra ≤ 0.76 µm Turned parts: Ra ≤ 0.76 µm |
| Further versions of hygienic design upon request. |
Weight
| With measuring device connection G1/2 approx. 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
| DL8140 |
