Back pressure may adversely affect the operation of a standard non-vented counterbalance as it directly increases the valve … counterbalance valve is closed. 0000059193 00000 n trailer 0000055285 00000 n 0000010229 00000 n 0000049155 00000 n -�E��HO)CHZȢ���|�c+Cc�Y���]���!�r^��mv�]�M6�HC���=v}��e��&�C. In this way the load keeps its position. It is … Cc�.I��_��)���|�0������k��(�`�UF %PDF-1.4 %���� 0000001848 00000 n 0000134649 00000 n 0000019879 00000 n 0000001362 00000 n MODELS 1/2 NPFT 3/4 NPFT No Manual Release B81C00 … 0000004680 00000 n Last week, we had some trouble with a pilot operated check valve: https://www.youtube.com/watch?v=Frn3f1WZdLM. 0000007699 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. Features • Sealed spool type design for improved stability and accuracy as well as low leakage • Low leakage poppet-type • %%EOF 0000121684 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. 0000020016 00000 n Hydraulic valves and integrated components. 315 0 obj <>stream 0000009734 00000 n 0000017688 00000 n 0000003821 00000 n 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 Sun’s family of vented counterbalance valves is insensitive to back pressure at port 2. )��xd}& 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 Turning the adjusting screw clockwise will increase the load carrying capacity of the valve. Walvoil S.p.A. - Headquarters Direzione e Coordinamento Interpump Group Spa Via Adige 13/D 42124 Reggio Emilia - ITALY Tel. 0000128516 00000 n 0000049963 00000 n HYDAC counterbalance valves are direct acting poppet valves with integrated check valve which enable a jerk-free movement on the part of consumers in the presence of over-centre loads.あなたは私たちのモバイル最適化さ ŷY��M7�1����mz)>:�1}�B?�]����G�'�drY>q�S�S���1E�^���J��S���;����,y��]ΣT+��EJJ&ii` �R�%--� 0000013464 00000 n 47- A - 1, Honga Industrial Area, Belgaum - 591113, Dist. Cylinders with external forces such as weight from a platen, machine members, or tooling acting against them will overrun when … 0000121479 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. ��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�. x�bbbg`b``Ń3� ����0 �4 0000004389 00000 n 0000081681 00000 n This pressure acts on the differential area, and the force generated is counteracted by the bias spring. 0000079649 00000 n 0000020043 00000 n There are many options, and few people really understand them all. /�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 with pilot assist are meant to control an overrunning load. The valve body is available with different port sizes and thread types. 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 … The counterbalance valve will hold a load in position until pressure or an external force is applied to move the load. 0000010381 00000 n This valve is 3-ported, externally piloted and low leakage. Hydraulic schematic on next page this is only use this drawing as a reference as there may be some differences on your specific machine. This brake 0000137023 00000 n 0000005483 00000 n counterbalance valve for these dynamic systems presents a challenging task. 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 … 1219 0 obj <> endobj xref 1219 62 0000000016 00000 n 0000004319 00000 n 0000050217 00000 n 0000058754 00000 n 0000084385 00000 n 0000005795 00000 n 0000058727 00000 n 0000002510 00000 n 0000014771 00000 n H�\��n�0F�y 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) Model Name/Number: Counterbalance Valve Brand: CBF Hydraulics Counterbalance Valves Prezzure Hydraulics Belgaum Plot No. 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 … 0000016916 00000 n For additional information see Technical Tips on pages LM1-LM4. 0000121203 00000 n Follow. 0000018941 00000 n Counterbalance valves are available as individual cartridges or standard cartridge-in-body (CIB) packages. 0000128784 00000 n 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 0000017267 00000 n 0000081105 00000 n 0000009763 00000 n 0000103288 00000 n 0000121983 00000 n 0000028028 00000 n 0000058411 00000 n '`�`�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���#. 0000103807 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 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 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). CAUTION: Counterbalance valves can be damaged by severe decompression shock. 0000008130 00000 n �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&[� Counterbalance valves Cartridge Valves Technical Information Counterbalance valves 520L0588 • Rev DA • June 2010 9.3 Introduction Quick reference Index Application notes Application notes A counterbalance valve provides several Counterbalance valves can be damaged by severe decompression shock. To help prevent shock damage, a restriction may be added between the cylinder and the counterbalance valve. Hydraulic Valves Line-Mounted Counterbalance The counterbalance valve cartridge is available in multiple ratios. 0000081354 00000 n 0000005908 00000 n Cartridge Style Counterbalance Valve. 264 0 obj <> endobj o r in the integrated blo ck. As an example, consider a press with a two-ton platen (Fig. 0000084297 00000 n Counterbalance valves with pilot assist are meant to control an overrunning load. 0000004403 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 CB - Counterbalance Valves Application Notes A typical circuit application for a counterbalance valve contains a pump, directional control valve, and an actuator. Counterbalance valves The fourth and last normally closed pressure control valve found in hydraulic circuits is the counterbalance valve. 0000103536 00000 n �d��������p�`�p�`�p�`�0_�/�d 264 52 E 5.933.2.1/11.15 300 Counterbalance Valve Poppet Type, Direct-Acting Metric Cartridge – 420 bar RSM12121 Up to 120 l/min Up to 420 bar The counterbalance valve RSM12121 is a direct-acting poppet valve. 21+4 bar. The following illustration shows a counterbalance valve schematic. 0000141688 00000 n F E A T U R E S 888-99FORCE www.forceamerica.com Hydraulic Valves Line-Mounted Counterbalance The counterbalance valve cartridge is available in multiple ratios. When there is … h���1 0ð4��u\Gag&`�'MF[����!�ߞ /a endstream endobj 1220 0 obj <>/Metadata 74 0 R/PageLabels 71 0 R/Pages 73 0 R/StructTreeRoot 76 0 R/Type/Catalog/ViewerPreferences<>>> endobj 1221 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Rotate 0/StructParents 1/TrimBox[0.0 0.0 595.276 841.89]/Type/Page>> endobj 1222 0 obj <>stream 0000001995 00000 n 8 Counterbalance Setting (1CEL30 based options only) bar in 10 bar increments. 0000012543 00000 n Knowledge Base Article Type: Instructions CPM Counterbalance Valve Adjustments WARNING Never work on, clean or service this unit, control panel or any machine or open or remove any protective cover, guard, grate, door, or 0000117634 00000 n 0000079469 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. 0000002967 00000 n 0000079914 00000 n The check section allows Do not use counterbalance valves with closed-center directional control valves. endstream endobj 314 0 obj <>/Size 264/Type/XRef>>stream 0000134911 00000 n 0 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� 0000019729 00000 n As the valve is set to a certain pressure (Pt), once the load induced pressure nears this setting, the valve starts to open, lowering the load (the valve, in this H�\��j�0E�� 0000011896 00000 n 0000016365 00000 n 0000005595 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 Load carrying capacity of the valve body is available with different port sizes and thread types bar in 10 and... 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