Technical Data
Materials DHV-S-DL/-DK
Item*
2
Spring dome
4
Thrust washer
8
Compression spring
6
Washer
7
Spring plate
5
Formed diaphragm
13
Adjusting screw
14
Lock screw
15
Bleeder screw
1
Valve body
12
Connecting screw
22
Connection seal
(DK only)
Weld coupling/
union nut (DK only)
17
Mounting plate
(DL only)
* For item numbers see Fig. 4
** with carbon
®
Viton
is a registered trademark of DuPont Dow Elastomers.
26
8
Technical Data
Storage and transport temperature:
The backpressure valves must not be exposed to frost!
Combination options:
The backpressure valves can be used together with the metering
®
pumps alpha, Beta
, gamma/ L, G4, G5, EXtronic
D4a and Pneumados.
PP1
PC1
PP-GFK
PP-GFK
PP
PP
Galvanized
Galvanized
steel
steel
Galvanized
Galvanized
steel
steel
PP
PP
EPDM/PTFE laminated
Noryl-GF
Noryl-GF
Noryl-GF
Noryl-GF
Noryl-GF
Noryl-GF
PP TV40
PVC
V4A
V4A
®
EPDM
Viton
B
PP
PVC
PP-GFK
PP-GFK
®
, CONCEPT,
TT1
SS1
PVDF
PVDF
PP
PP
Galvanized
Galvanized
steel
steel
Galvanized
Galvanized
steel
steel
PP
PP
Noryl-GF
Noryl-GF
Noryl-GF
Noryl-GF
Noryl-GF
Noryl-GF
PTFE**
1.4571
V4A
V4A
PTFE
-
PTFE
1.4571
PVDF
PVDF
ProMinent
®