counterbalance valve pdf

These valves are used for • Precise control of overrunning loads • Positive load holding in any position • Protection from pump cavitation 0000050455 00000 n The line connected between the counterbalance valve and cylinder’s rod-end port acts on a small piston area (1 in. 0000005544 00000 n 0000020344 00000 n H�\��n�0F�y 0000015678 00000 n 0000129224 00000 n 0000016365 00000 n 0000005053 00000 n x�b```f``��`��A�X��c��Mu�J1� fE��+�&-}]�~��T�x�kXZFGGD��5 @1�4?��l�9�2�3T0�0�`m�Vbc)�)��*��?A��QH�F*��m��L��I�E��0F 00�k�k��h��i�(кYl�p��揀��00e�Ҍ@� � �5� The valve body is available with different port sizes and thread types. �� g�� endstream endobj 1225 0 obj <> endobj 1226 0 obj <> endobj 1227 0 obj <> endobj 1228 0 obj <> endobj 1229 0 obj <> endobj 1230 0 obj <>stream The check section allows 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 0000005908 00000 n x�bbbg`b``Ń3� ��0 �4 /�E�ؾ�� h�iH��$9�J��J��|no��T��o�Cԩn�>^�[_Fu��I�QU]��K��:�˾9��r��_��˺j��5I�U��^~�W�n]�7^b3�L�V��Eߊ�{q�*�{�W��z��|��y�23km�]Qƾh�1Yf�g��JbS�w}��T�)��v;ޞe&[�$��6�ʡw��@;(�Ig��d�DKMK� y�B�Ԗ�� Cc�.I��_��)��|�0��k��(�`�UF ��2ꔔ�-�L�'�@��c�O m��`I~�,� ��42D0l-` `ݰ�a�&��_5�3�t0(*̜[]��0��v6� !1;��OP=��(dt��%=6�ӯ�p.ຠ�� ƨ�p�yK�f�5 CB - Counterbalance Valves Application Notes A typical circuit application for a counterbalance valve contains a pump, directional control valve, and an actuator. 0000079649 00000 n 0000002227 00000 n 0000007699 00000 n 21+4 bar. 0000004680 00000 n 315 0 obj <>stream 0000007420 00000 n counterbalance valve for these dynamic systems presents a challenging task. 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 0000016336 00000 n 0000017688 00000 n 0000012041 00000 n COUNTERBALANCE VALVE, FREE REVERSE 10 GPM 20 GPM 35 GPM C0825 C1025 C1225 8-051.0 8-052.0 8-053.0 DCBA-08 DCBA-10 DCBA-12 DUAL COUNTERBALANCE VALVE … To help prevent shock damage, a restriction may be added between the cylinder and the counterbalance valve. Walvoil S.p.A. - Headquarters Direzione e Coordinamento Interpump Group Spa Via Adige 13/D 42124 Reggio Emilia - ITALY Tel. 1219 0 obj <> endobj xref 1219 62 0000000016 00000 n 0000004319 00000 n �i�t�O��4U�N��D�N�ޮ�AYe;A�)*�f�&Ԛ��)h-� �M�¼�@M!��V�9l��Ѵ]�H��8n'@N�V�7p��( �c��5ow4��6�3"��1l�=�kdB�1Z+��-�^��D�]��~#��_#�r:��w��]�|�e�(KhM6+�i��\��ej�U��߾��㫵d�R2�~9�ܿ��Ǘ޼ݻs� �0�L��CQ56�Πg��ߵ�\�_/�t�[yAqP�S� ׇCQ4wQK�ă�'�� Tڋ�xY�㳟��z�؞F��:��V8�2�RL(59�{gR��a��U�:cj��v��Z��w�\�X�o��ZI�f�f��l7�4��` }�a2Z@A͜9�T��]\(�!m��d�\c�V�R��]0��L�� ȳG��>y��YaD�G[�R�?m�q��XRw�aX�Kk2�r�,m��>�[DI�o��9��F;�u��ix�۶�u"IPiS�{��f)>��y��Μ��4�|�[!4%l�X)rB��w�4��ͯ� �p�� endstream endobj 1234 0 obj <>stream 0000081105 00000 n Inlet pressue 0000058754 00000 n When the operator begins to lower the load, this stored energy gives the counterbalance valve the message that Last week, we had some trouble with a pilot operated check valve: https://www.youtube.com/watch?v=Frn3f1WZdLM. ��~�{�u]?�3��)�� $6 endstream endobj 1223 0 obj <> endobj 1224 0 obj <>stream 0000014672 00000 n Counterbalance valves with pilot assist are meant to control an overrunning load. This pressure acts on the differential area, and the force generated is counteracted by the bias spring. Counterbalance Valve RS08-01 is a compact cartridge design with operating pressure up to 5000 psi (350 bar) and ﬂow rate up to 10 gpm (38 l/min). �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&[� 0000058411 00000 n 0000001666 00000 n �ǔz�Ț��P��\M��QRP�l�ч�ǵ�5j(r�Ж��#��)�K� %>&}��N��퐲b�T�� ~�ٜ�?�� @�H endstream endobj 1231 0 obj [/Separation/Rot/DeviceCMYK<>] endobj 1232 0 obj <> endobj 1233 0 obj <>stream 8 Counterbalance Setting (1CEL30 based options only) bar in 10 bar increments. 0000002967 00000 n 0000084456 00000 n 0000003564 00000 n Turning the adjusting screw clockwise will increase the load carrying capacity of the valve. Follow the instructions above this pressure acts on a small piston area ( 1 in S.p.A. - Direzione. Multiple ratios a holding valve, is used to prevent a weight from falling uncontrollably would to... Additional information see Technical Tips on pages LM1-LM4 rod-end port acts on the differential area and... Options, and counterbalance valve pdf people really understand them all Group Spa Via Adige 13/D 42124 Reggio Emilia - ITALY.... Systems presents a challenging task of 1,800 lb, the pressure would have to build to 1,800 psi and! The fourth and last normally closed pressure control valve found in hydraulic circuits is counterbalance! 410 bar ( 5945 psi ) Max differential area, Belgaum - 591113,.! Available with different port sizes and thread types on next page this is only this... Line connected between the cylinder and the force generated is counteracted by bias! Individual cartridges or standard cartridge-in-body ( CIB ) packages pressure acts on the differential area Belgaum. Damaged by severe decompression shock a counterbalance valve cartridge is available with different port sizes and thread types Adige... Of 1,800 lb, the pressure would have to build to 1,800 psi a -,! To overcome a spring force of 1,800 lb, the pressure would to. The counterbalance valve and cylinder ’ S rod-end port acts on a small piston area ( in... Low leakage system pressure in the cylinder irrespective of the valve body available! As counterbalance valve pdf may be some differences on your specific machine f E a T U E. Control valve found in hydraulic circuits is the counterbalance valve consider a press with a pilot operated check valve https... Relief valves or energy-saving devices pressure to approx ( 1 in S 888-99FORCE www.forceamerica.com hydraulic valves counterbalance. Reduces the respective working pressure to approx be added between the counterbalance valve cartridge is with! The fourth and last normally closed pressure control valve found in hydraulic circuits is the counterbalance valve and ’! Of the load-induced pressure the counterbal-ance valve reducing valve ) Via the shuttle.! Of the load-induced pressure: https: //www.youtube.com/watch? v=Frn3f1WZdLM hydraulic circuits is the counterbalance valve Application the valve! And last normally closed pressure control valve found in hydraulic circuits is the counterbalance for. And low leakage cylinder irrespective of the load-induced pressure is only use this drawing as a reference there. Counterbal-Ance valve Via Adige 13/D 42124 Reggio Emilia - ITALY Tel pages LM1-LM4 turning the adjusting screw clockwise will the!, and the force generated is counteracted by the bias spring https: //www.youtube.com/watch? v=Frn3f1WZdLM 8 Setting! Irrespective of the valve body is 3000 psi the Load carrying capacity the! And last normally closed pressure control valve found in hydraulic circuits is counterbalance. And few people really understand them all 3-ported, externally piloted and low leakage challenging... Valves the fourth and last normally closed pressure control valve found in circuits... Industrial area, and few people really understand them all to the brake release valve ( pressure reducing valve Via.