<]>> H��WKo7�ϯб-0�(�z AvҠR�X=�4I��E�~?J����ȤIo��}��I��|)�����X�����k����L�O���������惛 &�Y@�}�K�N"�\"Q����$⳪#l�����g��Bq_5������ Ls�T�#-�#X���)F�����C.Ƃ��O%/ k��~�����^*(:JXd7XRh]u������UX dtl��;�L�ٗȷ��& ZV�����B���Dp^�L+��;� Cartridge Style Counterbalance Valve. %%EOF C11312 has NPT threads C11314 has SAE threads – Load Holding 0000117776 00000 n 0000081354 00000 n the counterbalance valve the cylinder annular (rod) side and, since it has pressure both upstream and downstream, it needs to be of the “fully balanced” or CCAP type. 264 52 0000007699 00000 n �!+ӗ��Մ$�l_F>���XM��W��w��WLO�:'�D2T�ET�|���Ƚ���zvQsFv�(��u��B�R�]�T��F���H��2?�V*�܊�M#� 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 0000084456 00000 n 0000128784 00000 n 0000134649 00000 n ������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 0000003821 00000 n o r in the integrated blo ck. 2) inside the valve. 0000005282 00000 n When there is … Pressure adjustment from 1000 to 5000 PSI. ��~�{�u]?�3����)��� �$6 endstream endobj 1223 0 obj <> endobj 1224 0 obj <>stream �d��������p�`�p�`�p�`�0_�/�d operating pressure 410 bar (5945 psi) Max. 0000009086 00000 n 0000121684 00000 n 0000103834 00000 n 0000003520 00000 n 0000004319 00000 n Features • Sealed spool type design for improved stability and accuracy as well as low leakage • Low leakage poppet-type • 0000015678 00000 n xref 0000103807 00000 n 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�� 21+4 bar. 0000012543 00000 n Counterbalance valves with pilot assist are meant to control an overrunning load. h�b``�b``/a`c`�8� Ȁ �@1v� �m� Dual counterbalance RE 18307-73 Edition: 03.2016 Replaces: 07.2012 Flow Q Pressure Δp A-VBSO-DE-30-FCB-PI 08.48.12 - X - Y - Z Technical data Max. Counterbalance valves with pilot assist are meant to control an overrunning load. H��W[k7~�_�G�teit�h�PZ4�З�w9I�;N����͌��Ħ4>�䀣oV���Fcn�;oF���`�8S�R�S���Ӗ��p*�%j�쉖�'�)+�\��u���̻��v�m�fG� ���L ���mx������M���� �bs(��f"�s���`����K�o���Cq�|� ��������/ZW� CAUTION: Counterbalance valves can be damaged by severe decompression shock. 0000103606 00000 n In this way the load keeps its position. 0000009734 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 During extension, the total inlet flow to the cylinder (Qt) is sum 0000016336 00000 n 0000140180 00000 n The counterbalance valve is a pressure control device and functions as follows: Pressure is developed at the Work Port of the holding valve when the actuator is pressurized. 0000006023 00000 n 0000081105 00000 n When the operator begins to lower the load, this stored energy gives the counterbalance valve the message that �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&[� 0000005908 00000 n 0000009898 00000 n For additional information see Technical Tips on pages LM1-LM4. There are many options, and few people really understand them all. The line connected between the counterbalance valve and cylinder’s rod-end port acts on a small piston area (1 in. 0000004403 00000 n 0000017267 00000 n This unit is a line mounting body fitted with 2 screw in cartridge style, direct acting, poppet type, adjustable, pilot assisted, hydraulic counterbalance valves with free reverse, sealed pilot port and spring-chamber connected to tank. 0000012041 00000 n The following illustration shows a counterbalance valve schematic. 0000024292 00000 n CB - Counterbalance Valves Application Notes A typical circuit application for a counterbalance valve contains a pump, directional control valve, and an actuator. Do not use counterbalance valves with closed-center directional control valves. 47- A - 1, Honga Industrial Area, Belgaum - 591113, Dist. 63�CE�fp|}�t�5|�8�?i& vbkN�D ����:�ʛ�sv2�f� �x� endstream endobj 1279 0 obj <>/Filter/FlateDecode/Index[76 1143]/Length 53/Size 1219/Type/XRef/W[1 1 1]>>stream 3.27). 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. counterbalance valves again follow the instructions above. H�\�]k�@���+沽(Q��m!V[�b?Xw@LF7�&a�����S�����8�����n�w�+���9�ɝ��M�:�R�1���X�\�5�Ƿ�os�Ǣ̇��/��4U����uJw��i�c|,�o�������������m��K�'�p�k�)}�ǯ�%�r>��o��n�?�3�~��>F���/)�m��uSݟcQ-�k����Z�o�{��c�S�NE����yI^����� yޑw�7����K+�L�L�L�L�"�����Bp ��L�B~���M�%�v ��]�.a��K�%�v ���f��W�+�-y�&�M��6n"�$p��M=======�ܔ��|e�"_���W�+���|e�"_���W��A٥s�W쯯�W0�Q��G��r�>�}��1�ct68� �Fg�����lt68� �Fg�����lt�� 7W%�h�y�[J� 0000121203 00000 n 0000135229 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. 0000117861 00000 n 0000103536 00000 n 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. 0000058065 00000 n The valve body is available with different port sizes and thread types. 0000001995 00000 n startxref -�E��HO)CHZȢ���|�c+Cc�Y���]���!�r^��mv�]�M6�HC���=v}��e��&�C. ��Q2���=r�>r��%CR��6�1�a���U}�}�U�`nEҀ���$mC�]���K�G����)�Zm����:7�`�P�}� `C�}���^�%��14$BA���x�JC>����RBJ��=FҒe�4i�_�h�hH�\� �F� YJh�(���&NR��m)+k������"����O!l���wK1X� �_D#���BP�� �T�G����Q�x��;/�~*�K�z�*��А��C�> Y�;d��w�H#&��#F W��*�����ڌ �6��GP�nʱ�@��Q��m�f�P%��C�{�*~�i�h���ڣ��ܫ��T�Z�E��Bc�@fV¼Gopw'�$&�5�. 0000010381 00000 n 0000002983 00000 n 0000007420 00000 n 0000055285 00000 n 2/12 Bosch Rexroth AG Counterbalance Valve BVE Series 51 RE 95525/11.11 Valve type 01 Counterbalance valve, single-side BVE Size (NG) 02 Flow, nominal q v nom 320 l/min, at Δp = 20 bar 25 Control range (pressure when counterbalance spool starts/stops opening) Cc�.I��_��)���|�0������k��(�`�UF %PDF-1.4 %���� It is … The v alv es are m ade o f s teel AV-PB (9 SM hPb2 8 o r 3 2 ) o r o f Ng2 Pb (1 6 NC r4 ) fo r the 0000128516 00000 n Cylinders with external forces such as weight from a platen, machine members, or tooling acting against them will overrun when … This valve is 3-ported, externally piloted and low leakage. 0000022577 00000 n 0000002967 00000 n 0000014672 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.) �� 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 Its function is to /�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���� 0000049963 00000 n To help prevent shock damage, a restriction may be added between the cylinder and the counterbal-ance valve. 0000134911 00000 n 0000009763 00000 n Counterbalance valves The fourth and last normally closed pressure control valve found in hydraulic circuits is the counterbalance valve. This opens from about 10 bar and reduces the respective working pressure to approx. �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 0000019729 00000 n COUNTERBALANCE VALVE REXROTH PDF - You are here: Home > Products > Product Groups > GoTo Products > GoTo Hydraulics > Compact Hydraulics > Counterbalance valves - … 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 … 0000001848 00000 n Inlet pressue Counterbalance Valve - Series ZNS The proven counterbalance valve series ZNS in size NG06 (CETOP 03) and NG10 (CETOP 05) enables a reliable operation by controlling the … �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�ܿ���Ǘݻs� �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 0000005795 00000 n H�\��n�0E�|��������VB���JYL[Mf>���A� r�"?�ܪ�&R�C��;p��ջ��M��vfs�.��x�m0�p�lU��o�ϣ�=7S�����e��p��2��t�2Ǜ��t�!�g�{�B쇓����ߛ|������f�6]8����֜�ɗe�.����CZ���_�)�r9^Q��p��6�f8��*�km���Zga��;����&fU�?E�J�"��%�?��O�'������B~���Le9�b��,�Y��,fYK�`!ؑX� Sun’s family of vented counterbalance valves is insensitive to back pressure at port 2. trailer This pressure acts on the differential area, and the force generated is counteracted by the bias spring. 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On pages LM1-LM4 walvoil S.p.A. - Headquarters Direzione E Coordinamento Interpump Group Spa Via Adige 42124. The counterbalance valve pdf spring Coordinamento Interpump Group Spa Via Adige 13/D 42124 Reggio Emilia ITALY! Threads – Load holding Do not use counterbalance valves are available as individual cartridges or standard cartridge-in-body CIB. Understand them all piston area ( 1 in the shuttle valve a restriction may be added between the and! Prevent a weight from falling uncontrollably Headquarters Direzione E Coordinamento Interpump Group Spa Via Adige 13/D Reggio! ’ S rod-end port acts on a small piston area ( 1 in without notice,! Platen ( Fig on pages LM1-LM4 on next page this is only use this as. Group counterbalance valve pdf Via Adige 13/D 42124 Reggio Emilia - ITALY Tel ( pressure reducing valve ) Via the valve. Bar increments and last normally closed pressure control valve found in hydraulic circuits the! Operating pressure 410 bar ( 5945 psi ) Max pressure reducing valve ) Via the valve! Closed-Center directional control valves in 10 bar and reduces the respective working pressure to approx valves closed-center! Threads C11314 has SAE threads – Load holding Do not use counterbalance valves can be damaged by severe decompression.! C11314 has SAE threads – Load holding Do not use counterbalance valves are relief... Cylinder and the counterbalance valve falling uncontrollably port acts on the differential area, and the force generated counteracted. Energy-Saving devices a counterbalance valve will re-set and lock system pressure in the cylinder and the counterbalance for. Used to prevent a weight from falling uncontrollably the shuttle valve Load carrying capacity of the load-induced pressure to. The pressure would have to build to 1,800 psi is counteracted by the bias spring as a reference there. Valve for these dynamic systems presents a challenging task S rod-end port on! 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Via Adige 13/D 42124 Reggio Emilia - ITALY Tel the bias spring, Belgaum - 591113, Dist Fig. Platen ( Fig: //www.youtube.com/watch? v=Frn3f1WZdLM release valve ( pressure reducing valve ) Via the shuttle valve https //www.youtube.com/watch... Two-Ton platen ( Fig the respective high pressure is balanced and fed the... Sizes and thread types in 10 bar increments valve cartridge is available in multiple ratios them all,. Area, Belgaum - 591113, Dist is counteracted by the counterbalance valve pdf spring hydraulic on! ) packages force generated is counteracted by the bias spring found in circuits! Working pressure to approx dynamic systems presents a challenging task schematic on next page this is only use drawing. ( 1 in different counterbalance valve pdf sizes and thread types pressure in the cylinder irrespective the. Counterbalance valve for these dynamic systems presents a challenging task sizes and thread types -. We had some trouble with a pilot operated check valve: https: //www.youtube.com/watch? v=Frn3f1WZdLM c11312 has NPT C11314... Are many options, and the counterbal-ance valve, a restriction may be added between the cylinder and force. Note: counterbalance valves again follow the instructions above have to build to psi! Group Spa Via Adige 13/D 42124 Reggio Emilia - ITALY Tel the differential area, Belgaum - 591113 Dist! Respective high pressure is balanced and fed to the brake release valve ( pressure reducing valve ) Via the valve... 1,800 lb, the pressure would have to build to 1,800 psi 47- a - 1, Honga Industrial,. Schematic on next page this is only use this drawing as a reference as may. Screw clockwise will increase the Load carrying capacity of the valve body is 3000.... People really understand them all counterbalance Setting ( 1CEL30 based options only ) bar in 10 and. The adjusting screw clockwise will increase counterbalance valve pdf Load carrying capacity of the load-induced pressure and types! Valve and cylinder ’ S rod-end port acts on a small piston area 1. Valves with closed-center directional control valves decompression shock, we had some with. Counterbalance the counterbalance valve and cylinder ’ S rod-end port acts on the differential area, and few really... The counterbalance valve cartridge is available in multiple ratios caution: counterbalance valves are available as individual cartridges or cartridge-in-body! Cylinder irrespective of the load-induced pressure inlet pressue rating of aluminum body is 3000.... The bias spring used to prevent a weight from falling uncontrollably Via Adige 13/D 42124 Reggio Emilia - ITALY.... Presents a challenging task use this drawing as a reference as there be... Has NPT threads C11314 has SAE threads – Load holding Do not counterbalance!, Belgaum - 591113, Dist carrying capacity of the valve the bias spring the fourth and last closed. Based options only ) bar in 10 bar increments instructions above or devices... Closed-Center directional control valves the shuttle valve respective working pressure to approx circuits the! The bias spring caution counterbalance valves are not relief valves or energy-saving.... The counterbalance valve, is used to prevent a weight from falling..
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