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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
Information Series
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
type of operation hydraulic H
type of operation hydraulic H
type of operation pneumatic P
type of operation pneumatic P
type of operation sensing lever F
type of operation sensing lever F
type of operation sensing roller K
type of operation sensing roller K
type of operation sensing pin T
type of operation sensing pin T
Products (25)
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type
directional control valve (25)
type
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
Item no. CAD datatypetypemax. operating pressure [bar]operation
Item no.
CAD data
type
directional control valve
type
2/2 directional control valve KR 2-1
max. operating pressure [bar]
500
operation
mechanical
Properties
Item no.
CAD data
type
directional control valve
type
3/2 directional control valve H 3-1
max. operating pressure [bar]
500
operation
pressure operated
Properties
Item no.
CAD data
type
directional control valve
type
3/2 directional control valve HZ 3-1
max. operating pressure [bar]
500
operation
pressure operated
Properties
Item no.
CAD data
type
directional control valve
type
3/2 directional control valve H 3-1R
max. operating pressure [bar]
500
operation
pressure operated
Properties
Item no.
CAD data
type
directional control valve
type
3/2 directional control valve HZ 3-1R
max. operating pressure [bar]
500
operation
pressure operated
Properties
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Item no.
type
directional control valve
type
2/2 directional control valve KR 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 roller K
Item no.
type
directional control valve
type
3/2 directional control valve H 3-1
max. operating pressure [bar]
500
operation
pressure operated
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
hydraulics H
Item no.
type
directional control valve
type
3/2 directional control valve HZ 3-1
max. operating pressure [bar]
500
operation
pressure operated
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
hydraulics H
Item no.
type
directional control valve
type
3/2 directional control valve H 3-1R
max. operating pressure [bar]
500
operation
pressure operated
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
hydraulics H
Item no.
type
directional control valve
type
3/2 directional control valve HZ 3-1R
max. operating pressure [bar]
500
operation
pressure operated
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
hydraulics H
Accessories (4)
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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