5
2.2
Valve components
Fig. 2
EXTREME ELECTRIC BUTTERFLY VALVE
3. COMPONENTS
(T3.1)
N
DESCRIPTION
MATERIAL
DN65-
DN200
DN250-
DN300
1
Lug Body
PP-GR + AISI-303 Inserts
1
1
2
Sealing gasket
EPDM / FPM
1
1
3
Disc
PVC-U/PPH/CPVC/PVDF/ABS
1
1
4
Lower bearing
POM
1
1
5
Upper bearing
POM
1
1
6
Auxiliary bearing
POM
1
1
7
Shaft
AISI 630 / AISI 316L / AISI 904L
1
1
8
Cap
PP
1
1
9
Ring DIN-471
AISI-304 /AISI-316
1
1
10
O-ring
EPDM / FPM
2
4
11
O-ring
EPDM / FPM
2
4
12
Lower washer
POM (DN65: AISI-304)
1
1
13
O-ring
EPDM / FPM
2
4
14
Screw DIN-912
AISI-304 /AISI-316
1
1
15
Handle
PP-GR
1
-
16
Washer
AISI-304 /AISI-316
1
-
17
Lever
PP-GR
1
-
18
Pin
AISI-304
1
-
19
Left spring
AISI-304
1
-
20
Right spring
AISI-304
1
-
21
Throttle plate
PP-GR
1
-
22
Safety lock
POM
1
-
23
Handle cap
PP
1
-
24
Screw DIN-912
AISI-304 /AISI-316
2
2
25
Nut DIN-934
AISI-304 /AISI-316
2
2
26
Screw DIN-912
AISI-304 /AISI-316
1
-
27
Gear box
Aluminium (housing)
-
1
28
Mounting clamp
PP-GR
-
1
29
Coupling bush
AISI-304 /AISI-316
-
1
30
Washer DIN-125
AISI-304 /AISI-316
-
4
31
Nut DIN-934
AISI-304 /AISI-316
-
4
32
Screw DIN-912
AISI-304 /AISI-316
-
4
33
Screw DIN-912
AISI-304 /AISI-316
-
4
34
Inserts
AISI-303