34
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DG2D - 07/2016
Technical data
10.2
Technical data DG2D2xx
DESIGN
Seat valve with disk sealing
OPERATIONS
1. Normally close with the flow direction
Opened by pilot pressure
(please observe the advice on page 14)
2. Normally close against flow direction
Opened by pilot pressure
3. Normally open against flow direction
Closed by pilot pressure
4. Double acting
Opened and closed by pilot pressure
MATERIALS
Body:
bronze, from G 2
1
/
2
brass
Inner parts:
Stainless steel, brass
Pilot cylinder:
brass nickel-plated
Stem sealing:
PTFE
CONNECTION
threaded connection G
1
/
2
up to G 3 (DIN ISO 228 T1)
PILOT PORT
G
1
/
8
(DIN ISO 228 T1)Piston-Ø: 50mm - 80mm
G
1
/
4
(DIN ISO 228 T1)Piston-Ø: 125mm
PILOT PRESSURE
2 - 10 bar
MEDIA
neutral gases and liquids up to 400 mm
2
/s
TEMPERATURE RANGE
-30°C up to +180°C
AMBIENTE TEMPERATURE
max. +60°C
PILOT MEDIA
air, water (oil on request)
INSTALLATION
as desired
OPTIONS
Optical position indicator; electrical position indicator;
position indication by inductive proximity switch; manual
override; stroke stop; free of oil and grease; hygienic version
(food)
MEDIA PRESSURE
see table, pressure specifications in [bar]
Operation
Normally close with
the flow direction
Normally close against
the flow direction
Normally open against
the flow direction
Piston-Ø [mm]
Piston-Ø [mm]
Piston-Ø [mm]
Connection
32
50
63
80
125
32
50
63
80
125
50
63
80
125
G
1
/
2
16
16
-
-
-
10
16
-
-
-
16
-
-
-
G
3
/
4
12
16
-
-
-
6
12
-
-
-
16
-
-
-
G 1
6,5
16
16
16
-
3
8
16
16
-
16
16
16
-
G 1
1
/
4
-
10
16
16
-
4
10
16
-
8
15
16
-
G 1
1
/
2
-
8
12
16
-
-
2
8
16
-
6
10
16
-
G 2
-
5
8
16
16
-
0,5
4,5
8
12
3
6
12
16
G 2
1
/
2
-
-
4,5
7
16
-
-
2
2,5
6
-
3
5
16
G 3
-
-
3
5
12
-
-
1
1,5
4
-
2
3
10
Содержание DA2D3
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