CB-03 Counterbalance Valve and BR-03 Brake Valve Combination Unit O-ring Mounting bolts Hex socket bolt, 36 across flats 127 . . (24.7) . 508 391 ( 12 69) 375 75 (32) 42 2-7/8 0000055285 00000 n counterbalance valve for these dynamic systems presents a challenging task. 0000085243 00000 n 0000050217 00000 n endstream endobj 314 0 obj <>/Size 264/Type/XRef>>stream 0000058065 00000 n 0000009898 00000 n With this counterbalance valve design, the back-pressure Pv at port V2 is additive with the ratio 1 : 1 to the relief setting Pt and with the ratio (R + 1) / R to the theoretical pilot pressure Ppil for piloted opening. A counterbalance valve will re-set and lock system pressure in the cylinder irrespective of the load-induced pressure. 0000020016 00000 n 0000028028 00000 n 0000003564 00000 n Back pressure may adversely affect the operation of a standard non-vented counterbalance as it directly increases the valve … Counterbalance Valve, Hydraulic Vent, Pilot Port 1 Model No. counterbalance valve is closed. F#���Ho�5���O�g�3�Y����Ap08��� 8���`p���Ap0�RR�-��ԖSN�r*©X��l�!�������9�,~?����b�o��ad1rY��q��{�}z���G���+��i�Ѯ�]G��v�z�u��{q�F#�Q��a0r�F#�Q��a0r�dِe=M0&㝛��L��3=l���v|�1�"zl�i%��S=�]y��q���u�q�v�����]۩��'�'� ;H� endstream endobj 1235 0 obj [1257 0 R] endobj 1236 0 obj <> endobj 1237 0 obj <> endobj 1238 0 obj <>stream 0000004319 00000 n 0000050455 00000 n #��@A_�V�^�@�-x���Flb9 ��RV}p���1T�p� � p� �(��塠r\]ey (�s2�\%WU-��@��ř�@��R�~+����U3Ү ot���m�ѐ�`q�0r�0)�4�M|��\2�s#��և�G�,�z(1�^ �_Ag�i�>,�.^u��� =/[nڀ� ���6{=4p���}GV'Z�����ᘭ��mA3�R �F�64ZKc�`¯0�+jn~!�D]=��&HULj^�����e��!���ƃ瘵��1�W��l�d/�uC�΍#>O"v�ϓ���WRI��F��eҡ����`۪��Җ���n[%��KI�lP=�׎�%����T���"�ϴ��A���LvD��J�>;��mO[�m��3�rȱ��"@{"s�_/�����F�>W����� �'ߓ�.|q��$�O�X?����{$��Po�#��j�0�@Ē��#-���5[*�rc��+��@��W��D��rY��b��j�(��? 0000121684 00000 n CAUTION Counterbalance valves are not relief valves or energy-saving devices. 0000009734 00000 n Turning the adjusting screw clockwise will increase the load carrying capacity of the valve. 0000016021 00000 n 0000006023 00000 n Counterbalance valve is also a type of normally closed valve which permits the flow of fluid in one direction but will offer resistance in fluid flow in other direction until pressure reaches up to a level at which valve opens. 0000005595 00000 n Pressure adjustment from 1000 to 5000 PSI. This pressure acts on the differential area, and the force generated is counteracted by the bias spring. �m�IHT�E�pI-ق�(6r9�M؊p'��a§?b������ �Df��"A6��M��!H��(��%i���Ӗ!���J~�g�aՉN�g�DN����f�~���1J>m������T@����x�ॆ���7{�+FN���Y�E\�,���L�IY�փ&�?���:n���y�)s��vЗ��íθ��7�b��b[�!i_�v&[� 0000117634 00000 n 0000049963 00000 n 0000016916 00000 n startxref Sun’s family of vented counterbalance valves is insensitive to back pressure at port 2. 0000011896 00000 n 0000020043 00000 n 264 52 0000004403 00000 n 0000058341 00000 n 0000005710 00000 n 0000017267 00000 n If a directional valve (not shown in the picture) is shifted into position that lowers the load, then the fluid from the rod chamber of the cylinder can exit only if pressure at port P (pilot pressure) and port L (load pressure) create enough force to overcome the spring force and open the valve. 0000129224 00000 n 0000001666 00000 n Cc�.I��_��)���|�0������k��(�`�UF 0000005544 00000 n Pressure adjustment from 1000 to 5000 PSI. 0000004389 00000 n 0000019879 00000 n NOTE: Counterbalance valves are not relief valves or energy-saving devices. 0000084977 00000 n Features • Sealed spool type design for improved stability and accuracy as well as low leakage • Low leakage poppet-type • Last week, we had some trouble with a pilot operated check valve: https://www.youtube.com/watch?v=Frn3f1WZdLM. 0000059193 00000 n The following illustration shows a counterbalance valve schematic. 3.27). 0000005795 00000 n H�\��n�0F�y operating pressure 410 bar (5945 psi) Max. 0000002021 00000 n Hydraulic Valves Line-Mounted Counterbalance The counterbalance valve cartridge is available in multiple ratios. D��\Y!TI���oJ����|�Q� �e�[BE|����1�aT cB"�DŽ Y ������I N�Z cA���� �#&-�Y�N�ȭ�a6�yA�3�rJ5�_t=�:>�m�@�Q����g�{*x��:k�!�J���l!|Hy�-�@q�oz>(�z�(:�d��ڊ8 CG�O�r׵ When a cylinder is supporting a vertically mounted load, and its directional valve shifts to lower the load, the load may fall uncontrollably as its weight pushes fluid out of the cylinder. 0000121479 00000 n endstream endobj 265 0 obj <>/ViewerPreferences<>/Metadata 11 0 R/Pages 10 0 R/StructTreeRoot 13 0 R/Type/Catalog>> endobj 266 0 obj <>/ProcSet[/PDF/Text]/Properties<>>>/ExtGState<>>>/Type/Page>> endobj 267 0 obj <> endobj 268 0 obj <> endobj 269 0 obj <> endobj 270 0 obj <>stream flow 60 l/min. 0000022577 00000 n COUNTERBALANCE VALVE REXROTH PDF - You are here: Home > Products > Product Groups > GoTo Products > GoTo Hydraulics > Compact Hydraulics > Counterbalance valves - … 0000081681 00000 n 0000137023 00000 n Its function is to 0000016336 00000 n 0000010381 00000 n 0000009086 00000 n These valves are used for • Precise control of overrunning loads • Positive load holding in any position • Protection from pump cavitation MODELS 1/2 NPFT 3/4 NPFT No Manual Release B81C00 … /�E�ؾ���� ���h�iH���$9�J��J����|no����T��o�Cԩn�>^�[_Fu��I�QU]����K�����:�˾9��r��_������˺j��5I�U���^~�W�n]�7^b3�L�V����Eߊ�{q�*�{�W��z����|��y�23k”m�]Qƾh�1Yf�g����JbS�w}����T�)��v;ޞe&[�$����6�ʡw��@;(�Ig���d�DKMK� y�B�Ԗ���� Counterbalance valves Prev. C11312 has NPT threads C11314 has SAE threads – Load Holding (16 gpm) Weight see “Dimensions” Manifold material Zinc plated steel Flange seal kit 1) E00000000000014 (R930005947) We reserve the right to change specifications without notice. 3��LY2��-��݅�݅���;twtppptppp�����������G�E�E���Q�(r�9�e�"Gy��M��K&���*�*��3�̾��ʾ��ʾ��ʾ���}=�z:{8{:{8{:{8{:{8{:{8{:{8{�y������5��/��C�׾j�1�-�l�e/a�C����8�� 0000084297 00000 n CARTRIDGES Screw ty p e, they can be fitted directly into the cav - ity in the actu ato r (cy linder, m o to r, p u m p , etc.) For additional information see Technical Tips on pages LM1-LM4. 0000001536 00000 n 0000002983 00000 n 0000079469 00000 n Model Name/Number: Counterbalance Valve Brand: CBF Hydraulics Counterbalance Valves Prezzure Hydraulics Belgaum Plot No. '`�`�g��>��k�7~F#p�y���^�~q6�i��k��툝�GHG�C�xG��� R��W�z?#��6ׯ_�2����T�h�A������8b�2p�w\|y��;��ӵc�mpZb':y� ����ԛI��PnA���楝��j@��J@��l��H�:�T�Q�!T S�^9��RsӠ�CRU��Np�t�!�&��w4�p���#. 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Lock system pressure in the cylinder irrespective of the valve body is available multiple! And last normally closed pressure control valve found in hydraulic circuits is the counterbalance valve cartridge is available with port!
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