ProMinent DHV-U Série Manuel D'utilisation page 62

Technical data
Material specifications
Pos. Description
1, 19 Valve housing
2 Spring dome
3 Separating disc
4 Thrust washer
5 Diaphragm
6 Pressure plate
7 Spring collar
8 Compression spring
9 Ball
10 Plunger
11 Protective cap
12-14, Housing screws,
17****, nuts, washers
18
15 Seal
16 Piston seal
20 O-ring
21 Plug
22 Seal for a manom‐
eter
FKM = fluorine rubber
* or high quality PVDF
** cover ring PTFE / FKM
*** shaped composite seal PTFE / EPDM
**** Bolt protective caps for SST in PE
² With DN32, DN40: The piston seal is a PTFE / FKM cover ring
For the item numbers, see the "Exploded view DHV-U diagram" after the title page of the operating
instructions as a whole or the cross-sectional view in the "Repairs" chapter
62
PPE PPB PCE
PP PVC-U
PP GF30
PP PVC-U
POM
EPDM / PTFE - laminated
Steel, nickel plated
POM
Steel, galvanized
1.3541
PP* PVC-U*
PE
V2A
EPDM FKM EPDM
EPDM² FKM EPDM²
EPDM FKM EPDM
PP PP PVC-U
PTFE natural
PCB PVT
PVDF
PVDF
PVDF
FKM FKM
FKM PTFE**
FKM FKM
PVC-U PVDF
SST
1.4404
1.4404
PTFE nat‐
ural
PTFE***
PTFE**
PTFE nat‐
ural
-
-