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11
Position
Material
Description
Q. for Pump
1
PP
Central block new version
1
1
PC + CF
Central block new version
1
1a
NBR
O-ring
1
2
POM-c
Pneumatic Exchanger
1
3
AISI
Shaft
1
3a
NBR
Shaft O-ring
1
4
POM-c
Intermediate plate with O-ring
1
5
STEEL
Belleville washer
4
6
ALUMINIUM
Air side cap
2
7a
Hytrel
Air diaphragm
2
7a
Santoprene
Air diaphragm
2
7a
EPDM
Air diaphragm
2
7a
NBR
Air diaphragm
2
7b
PTFE
Fluid diaphragm
2
8
PP + VTR
Fluid side cap
2
8
ECTFE
Fluid side cap
2
8
PP + CF
Fluid side cap
2
8
PVDF + CF
Fluid side cap
2
8
ALUMINIUM
Fluid side cap
2
8
AISI 316
Fluid side cap
2
9
PP + VTR
Silencer grid with O-ring
1
10a
FELT
External silencer
1
10b
FELT
Internal silencer
1
11
PP + VTR
Pump casing
2
11
PVDF + CF
Pump casing
2
11
PP + CF
Pump casing
2
11
ALUMINIUM
Pump casing
2
11
AISI 316
Pump casing
2
11
AISI 316 POLISHED
Pump casing
2
12
PP + VTR
Upper / lower manifold
2
12
PVDF + CF
Upper / lower manifold
2
12
PP + CF
Upper / lower manifold
2
12
ALUMINIUM
Upper / lower manifold
2
12a
AISI 316
Upper manifold
2
12b
AISI 316
Lower manifold
2
12a
AISI 316 POLISHED
Upper manifold CLAMP
2
12b
AISI 316 POLISHED
Lower manifold CLAMP
2
13
ECTFE
Ball cage guide
4
14
PTFE
Ball
4
14
AISI 316
Ball
4
14
EPDM
Ball
4
14
NBR
Ball
4
15
PVDF
Ball seat
4
15
PP
Ball seat
4
15
UHMW HDPE
Ball seat
4
15
ALUMINIUM
Ball seat
4
15
AISI
Ball seat
4
16
PP + VTR
Collar
2
17
PP + VTR
Foot
2
19
AISI
Screw manifold
8
19a
AISI
Washers
8
Operating Instructions Diaphragm Pumps
GB