Series
C2.9512
Pilot-Operated Check Valves
without/with pre-release
manifold-mounting type, max. operating pressure 500 bar
manifold-mounting type, max. operating pressure 500 bar
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Operating instructions
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Information Series
C 2.9512 Pilot-Operated Check Valve
Pilot-operated check valves are spring-loaded poppet valves with free flow from B to A and blocked flow in the opposite direction that can be “unblocked” by pressurising the control port Z. The minimum pressure required for unblocking depends on the height of the counter pressure at port A.
In the version with pre-release first a smaller poppet valve located in the main valve piston is opened.
This offers the following advantages:
- The control pressure required for opening is considerably lower, and thereby the use of swing clamps with unfavourable surface ratios is possible.
- Pressure reduction is effected relatively softly. That saves all hydraulics components and the noise level sinks.
Products (3)
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Item no. | CAD data | type | max. operating pressure [bar] | max. flow rate [l/min] | pre-release | |
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CAD data
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Properties
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CAD data
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Properties
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Item no.
type
manifold-mounting type
max. operating pressure [bar]
500
max. flow rate [l/min]
20
pre-release
without
ports A, B
Ø 5 mm
control port Z
Ø 3,5 mm
Item no.
type
manifold-mounting type
max. operating pressure [bar]
500
max. flow rate [l/min]
50
pre-release
without
ports A, B
Ø 9 mm
control port Z
Ø 3,5 mm
Item no.
type
manifold-mounting type
max. operating pressure [bar]
500
max. flow rate [l/min]
50
pre-release
with
ports A, B
Ø 9 mm
control port Z
Ø 3,5 mm
Accessories (5)
Item no. | CAD data | Description |
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Item no.
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Description
O-ring 9.19 x 2.62 mm
as per data sheet C2.9512
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Item no.
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Description
O-ring 6.07 x 1.78 mm
as per data sheet C2.9512
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Item no.
|
Description
O-ring 4.47 x 1.78 mm
as per data sheet C2.9512
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Item no.
|
Description
Socket head cap screw
M6 x 40 mm, 8.8, galvanized
as per data sheet C2.9512
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Item no.
|
Description
Socket head cap screw
M4 x 25 mm, 8.8, galvanized
as per data sheet C2.9512
|
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Application examples
Application example 1
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Please note: Our CAD data are generally simplified data and primarily reflect the outer contour and connections of the product (see also Terms of use). Please always refer to the relevant catalogue sheet for the exact dimensions with tolerances, in particular the information on mounting holes or attachments such as special clamps.
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