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ROC L Hydr Valve Blocks - V2

The document describes the components and functions of an impact valve block and main valve block that control hydraulic systems. It includes diagrams labeling pilot valves, damp flow regulators, shuttle valves, relief valves, and solenoids that regulate pressure, flow, and machine movements like rotation, threading, unthreading, and tramming. Key components are identified for sections controlling outlet, rotation, pressure and flow, feed, rapid feed, and tramming functions.

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Apeks
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150 views11 pages

ROC L Hydr Valve Blocks - V2

The document describes the components and functions of an impact valve block and main valve block that control hydraulic systems. It includes diagrams labeling pilot valves, damp flow regulators, shuttle valves, relief valves, and solenoids that regulate pressure, flow, and machine movements like rotation, threading, unthreading, and tramming. Key components are identified for sections controlling outlet, rotation, pressure and flow, feed, rapid feed, and tramming functions.

Uploaded by

Apeks
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PPT, PDF, TXT or read online on Scribd
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Impact valve block (COPROD)

Pilot valve
QDS-A QDS-J

QDS-O
QDS-I

D Y101A
B
Damp flow reg. C E
Y101B

Shuttle valve
Logic valve block
B

Q
E

QDS-O
Pilot valve
C

QDS-A

Damp flow reg.

D QDS-I

QDS-J

Shuttle valve
Y101B

Y101A
Logic valve block

Y178D Y178C Y150


Y178B
Y178A

H Y149

G P
Y109
D E
C
A B
Y101C
Logic valve block

Y178D Y178C Y178B Y178A

B Y109
D Y149 Y150

E A

P G

Y101C
Main valve block sections

Outlet section

Rotation

Pressure & flow ctrl


Feed

Rapid feed
Tram, left/right
Main valve block - rotation
Relief A

Relief B

Pilot B

Pilot A
A
B
Max flow B-port

Max flow A-port


Main valve block – pressure & flow ctrl
Y121A R
Y121B

Threading Y122

Unthreading

P4 pressure

Y178E
Pilot pressure
Check valve POP

11bar relief P1 pressure

Shuttle
valve LS

Y178F 0.8mm
1.0mm
P1 relief
0.6mm 280bar

Y120A P2 max. pressure


Main valve block - Feed
Pilot A

Plug A
Plug B

Max flow B
A B
Pilot B

B
Feed reducer valves A
Compensator
Max flow A

Compensator restriction
Main valve block – Rapid feed
Port relief valves Pilot A

A
B Max flow B

A B
Pilot B
Feed reducer valves B
A
Max flow A Compensator

Compensator restriction
Main valve block - tramming
A solenoid B solenoid

Pilot restrictor

B
A

Compensator

Compensator restriction
Pressure & flow, -Main valve block

Y178E

Threading Pilot restrictor

Check valve POP Y178F Solenoid B A


Y122 Unthreading
Pilot pressure

P4 pressure

Y121B R
Feed reducer valves
11bar relief

Relief B Shuttle A B
1.0mm valve LS
Relief A

Y121A
Y120A
0.8mm
Compensator
0.6mm P1 relief Relief A B
280bar P1 pressure Compensator restrictor
P2 max. pressure

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