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Series
C2.320

Directional control valves ND 4

manually, mechanically or pressure operated
max. operating pressure 500 bar
Directional control valves ND 4
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Catalogue sheet
Operating instructions
Description
C 2.320 Directional Control Valves ND 4

Application
The directly operated directional control valves are used to control hydraulic elements when a power supply is not possible or reasonable.
These directional control valves can directly control hydraulic consumers or be used as pilot valves for hydraulically-operated switching devices.
The closed directions of flow are hermetically tight. The switching operation is smooth and shock-free. A strainer insert in the pressure port protects the valve seats from coarse impurities.

Technical data
Type: Ball-type poppet valve, hermetically sealed
Type of connection: Mounting plate (see accessories)
Port size: G 1/4
Mounting position: any, vertical preferred

Hydraulic characteristics
Max. operating pressure: 500 bar
Max. flow rate: 8 l/min
Flow direction: only in the direction of the arrow, as in the symbol
Hydraulic oil: as per DIN 51524

Types of operation
manual: Rotary handle or Sensing lever
mechanical: Sensing roller or Sensing pin
pressure operated: hydraulic or pneumatic

type of operation rotary handle D
type of operation rotary handle D
Products (25)
10
  • 10
  • 25
  • 50
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type
directional control valve (25)
type
All
  • All
  • 2/2 directional control valve DR 2-1 (1)
  • 2/2 directional control valve FR 2-1 (1)
  • 2/2 directional control valve HR 2-1 (1)
  • 2/2 directional control valve KR 2-1 (1)
  • 2/2 directional control valve PR 2-1 (1)
  • 2/2 directional control valve TR 2-1 (1)
  • 3/2 directional control valve DZ 3-1 (1)
  • 3/2 directional control valve DZ 3-1R (1)
  • 3/2 directional control valve F 3-1R (1)
  • 3/2 directional control valve FZ 3-1R (1)
  • 3/2 directional control valve H 3-1 (1)
  • 3/2 directional control valve H 3-1R (1)
  • 3/2 directional control valve HZ 3-1 (1)
  • 3/2 directional control valve HZ 3-1R (1)
  • 3/2 directional control valve K 3-1 (1)
  • 3/2 directional control valve K3-1R (1)
  • 3/2 directional control valve KZ 3-1 (1)
  • 3/2 directional control valve KZ 3-1R (1)
  • 3/2 directional control valve P 3-1 (1)
  • 3/2 directional control valve P 3-1R (1)
  • 3/2 directional control valve PZ 3-1R (1)
  • 3/2 directional control valve T 3-1 (1)
  • 3/2 directional control valve T 3-1R (1)
  • 3/2 directional control valve TZ 3-1 (1)
  • 3/2 directional control valve TZ 3-1R (1)
max. operating pressure [bar]
500 (25)
operation
type
Ball-type poppet valve (25)
check valve
nominal diameter
ND 4 (25)
max. flow rate [l/min]
8 (25)
port size
G 1/4 (25)
Types of operation
All
  • All
  • rotary handle D (3)
  • hydraulics H (5)
  • pneumatics P (4)
  • sensing lever F (3)
  • sensing roller K (5)
  • sensing pin T (5)
Item no. CAD datatypetypemax. operating pressure [bar]operation
Item no.
CAD data
type
directional control valve
type
3/2 directional control valve DZ 3-1
max. operating pressure [bar]
500
operation
manual
Properties
Item no.
CAD data
type
directional control valve
type
3/2 directional control valve DZ 3-1R
max. operating pressure [bar]
500
operation
manual
Properties
Item no.
CAD data
type
directional control valve
type
2/2 directional control valve DR 2-1
max. operating pressure [bar]
500
operation
manual
Properties
Item no.
CAD data
type
directional control valve
type
3/2 directional control valve T 3-1
max. operating pressure [bar]
500
operation
mechanical
Properties
Item no.
CAD data
type
directional control valve
type
3/2 directional control valve TZ 3-1R
max. operating pressure [bar]
500
operation
mechanical
Properties
Item no.
CAD data
type
directional control valve
type
3/2 directional control valve TZ 3-1
max. operating pressure [bar]
500
operation
mechanical
Properties
Item no.
CAD data
type
directional control valve
type
3/2 directional control valve T 3-1R
max. operating pressure [bar]
500
operation
mechanical
Properties
Item no.
CAD data
type
directional control valve
type
2/2 directional control valve TR 2-1
max. operating pressure [bar]
500
operation
mechanical
Properties
Item no.
CAD data
type
directional control valve
type
3/2 directional control valve F 3-1R
max. operating pressure [bar]
500
operation
manual
Properties
Item no.
CAD data
type
directional control valve
type
3/2 directional control valve FZ 3-1R
max. operating pressure [bar]
500
operation
manual
Properties
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Item no.
type
directional control valve
type
3/2 directional control valve DZ 3-1
max. operating pressure [bar]
500
operation
manual
type
Ball-type poppet valve
check valve
without
nominal diameter
ND 4
max. flow rate [l/min]
8
port size
G 1/4
Types of operation
rotary handle D
Item no.
type
directional control valve
type
3/2 directional control valve DZ 3-1R
max. operating pressure [bar]
500
operation
manual
type
Ball-type poppet valve
check valve
with
nominal diameter
ND 4
max. flow rate [l/min]
8
port size
G 1/4
Types of operation
rotary handle D
Item no.
type
directional control valve
type
2/2 directional control valve DR 2-1
max. operating pressure [bar]
500
operation
manual
type
Ball-type poppet valve
check valve
without
nominal diameter
ND 4
max. flow rate [l/min]
8
port size
G 1/4
Types of operation
rotary handle D
Item no.
type
directional control valve
type
3/2 directional control valve T 3-1
max. operating pressure [bar]
500
operation
mechanical
type
Ball-type poppet valve
check valve
without
nominal diameter
ND 4
max. flow rate [l/min]
8
port size
G 1/4
Types of operation
sensing pin T
Item no.
type
directional control valve
type
3/2 directional control valve TZ 3-1R
max. operating pressure [bar]
500
operation
mechanical
type
Ball-type poppet valve
check valve
with
nominal diameter
ND 4
max. flow rate [l/min]
8
port size
G 1/4
Types of operation
sensing pin T
Item no.
type
directional control valve
type
3/2 directional control valve TZ 3-1
max. operating pressure [bar]
500
operation
mechanical
type
Ball-type poppet valve
check valve
without
nominal diameter
ND 4
max. flow rate [l/min]
8
port size
G 1/4
Types of operation
sensing pin T
Item no.
type
directional control valve
type
3/2 directional control valve T 3-1R
max. operating pressure [bar]
500
operation
mechanical
type
Ball-type poppet valve
check valve
with
nominal diameter
ND 4
max. flow rate [l/min]
8
port size
G 1/4
Types of operation
sensing pin T
Item no.
type
directional control valve
type
2/2 directional control valve TR 2-1
max. operating pressure [bar]
500
operation
mechanical
type
Ball-type poppet valve
check valve
without
nominal diameter
ND 4
max. flow rate [l/min]
8
port size
G 1/4
Types of operation
sensing pin T
Item no.
type
directional control valve
type
3/2 directional control valve F 3-1R
max. operating pressure [bar]
500
operation
manual
type
Ball-type poppet valve
check valve
with
nominal diameter
ND 4
max. flow rate [l/min]
8
port size
G 1/4
Types of operation
sensing lever F
Item no.
type
directional control valve
type
3/2 directional control valve FZ 3-1R
max. operating pressure [bar]
500
operation
manual
type
Ball-type poppet valve
check valve
with
nominal diameter
ND 4
max. flow rate [l/min]
8
port size
G 1/4
Types of operation
sensing lever F
Accessories (4)
10
  • 10
  • 25
  • 50
Item no. CAD data Description
Item no.
CAD data
/
Description
O-ring 5 x 1.5 mm as per data sheet C2.320
Item no.
CAD data
Description
O-ring 8 x 1.5 mm, NBR as per data sheet B1.5091
Item no.
CAD data
Description
Mounting plate as per data sheet C2.320
Item no.
CAD data
Description
Plug-in check valve ER 11 max. 500 bar, as per data sheet C2.360
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