Order Data - Gemü 512 Original Einbau- Und Montageanleitung

Actuator size 2 / Control function 2
Min. control pressure dependent on operating pressure
Operating pressure in bar
7

Order data

Body configuration
2/2-way
Connection
Flanges EN 1092 / PN 16 / form B
length EN 558, series 1, ISO 5752,
basic series 1
Flanges EN 1092 / PN 40 / form B
length EN 558, series 1, ISO 5752,
basic series 1
Flanges ANSI class 125/150 RF,
length EN 558, series 1, ISO 5752,
basic series 1
Flanges ANSI B 16.5, class 300,
length EN 558, series 1, ISO 5752,
basic series 1
Valve body material
EN-GJL-250 GG 25 (Cast iron)
GP 240 H GS-C 25 (Cast steel)
1.4408 Cast stainless steel
1.4581 Cast stainless steel
Seat seal
PTFE
PTFE, glass reinforced
Steel
Order example
Type
Nominal size
Body configuration (code)
Connection (code)
Valve body material (code)
Seat seal (code)
Control function (code)
Actuator size (code)
512
Actuator size 2 / Control function 3
Min. control pressure dependent on operating pressure
Control function
Code
Normally closed
D
Normally open
Double acting
Code
Double acting
(only for control valves)
8
Actuator size
Actuator 1 piston ø
11
Actuator 2 piston ø 120 mm
Preferred flow direction with incompressible liquid media to avoid
"water hammer"
39
Flow direction
40
Code
8
11
37
38
Code
5
5G
10
512 15 D
512
15
D
22 / 36
Operating pressure in bar
(NC)
(NO)
(DA)
(normally open)
Flow
70 mm Flow under the seat
Flow under the seat
Flow under the seat
8 8 5
8
8
5
Code
1
2
3
8
Code
1
2
1 1
1
1