Double overcentre valves type a

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d Specification 1/4" DE/A 3/8" DE/A 1/2" DE/A 3/4" DE/A
Pilot ratio 1:4.5 1:4.5 1:4.5 1:5.5
Max flow (L/min ) 20 40 60 95
Max pressure (Bar) 350

USE AND OPERATION:
These valves are used to control actuator' s movement and block in both directions in order to enable the following functions:
 •  under control descent of a load: load's weight doesn't carry it away, as the valve prevents any cavitations of the actuator;
 •  limited maximum pressure in case of shocks created by loads, overloads or sudden manoeuvrings(load control with opened centre distributor).

APPLICATIONS:
Connect V1 and V2 to the pressure flow, C1 and C2 to the actuator to be controlled In-line mounting.



Model

V1/V2/C1/C2

L

L1

L2

L3

L4

L5

D

H

S

HYVBCD 1/4" DE/A

G 1/4"

150

248

50

110

30

44

8.5

60

30

HYVBCD 3/8" DE/A

G 3/8"

150

248

50

110

30

44

8.5

60

30

HYVBCD 1/2" DE/A

G 1/2"

150

248

50

110

30

44

8.5

60

30

HYVBCD 3/4" DE/A

G 3/4"

190

320

65

143

44

64

8.5

80

35

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