DG2D - 07/2016
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33
Technical data
10
Technical data
10.1
Technical data DG2D1xx
DESIGN
Seat valve with disk sealing
OPERATION
1. Normally close with 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.
Closed by pilot pressure against flow direction
4.
Double
acting
Opened and closed by pilot pressure
MATERIAL
Body: Brass
Inner parts:
Stainless steel, Brass
Pilot cylinder:
Brass
Stem sealing:
NBR
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
-10°C up to +90°C
AMBIENTE TEMPERATURE
max. +60°C
PILOT MEDIA
Air, water (oil on request)
INSTALLATION
as desired
OPTIONS
Optical position indicator, electrical position indicator,
manuel override, stroke stop, free of oil and grease,
vacuum version
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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