Power Hydraulics Department  /  Hydraulic valves  /  Check valves - ZZ

Check valves - ZZ

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Intended use: Check valves are used in hydraulic systems in order to enable free flow of working liquid in one direction and check the flow in the opposite direction. Working liquid - oils or other liquids which do not cause corrosion.

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Technical data:

Product symbol / Valve

ZZ-320-6

ZZ-320-10

ZZ-320-16

ZZ-320-20

ZZ-320-25

Fixed

Pressure [ Mpa ]

32 [ Mpa ]

Viscosity range [ cSt ]

10 ÷ 300 [ cSt ]

Temperature range [ C ] [ K ]

-20 ÷ +80 [ C ] ; 253 ÷ 353 [ K ]

Changeable

Nominal value

6

10

16

20

25

Flow [ L/min ]

10

25

63

100

100

L - Length [ mm ]

57

70,5

90,5

104

127

H - Height [ mm ]

47

47

47

55

70

B - Breadth [ mm ]

22

30

41

46

60

L max - Max length [ mm ]

57

70,5

90,5

104

127

a - opening pressure

0,05

b - opening pressure

0,10

c - opening pressure

0,30

d - opening pressure

0,50

g - seat depth

16

18

22

24

26

M - thread

M16 x 1,5

M22 x 2

M33 x 2

M42 x 2

M48 x 2