"variant": "pce", Pressure setting over-center valve p 1 (bar) 1), 4) LHK 22 G - 21 - 220/220 LHK 33 G - 25WD - 280/280 - 260/260 LHK 44 F - 21 - 180/180 2.2 Valves for alternating load directions (crossing the dead center, see illustration on page 1) Order example: "price": "130.4", Material Number Description Max. This product takes into account the ISO 8643 standard that is to say it holds the load if there is a hose break. B – Locking of reverse downstream flow when the directional valve is not operated, or the pump is stopped. "dimension8": "12497185", DOUBLE CONTERBALANCE VALVES WITH IN LINE BODY. "brand": "oleodinamica marchesini", DOUBLE COUNTERBALANCE VALVES WITH IN LINE BODY. There is often some processing time before a refund is posted. Counterbalance Valves Catalog CB - 30 11141737 • Rev AB • November 2013 OPERATION APPLICATIONS SPECIFICATIONS SCHEMATIC PERFORMANCE This dual counterbalance, internally piloted catalog HIC is a low leakage assembly with hydraulic vent. "variant": "pce", HYDAC counterbalance valves are direct acting poppet valves with integrated check valve. Symbol Code Max. "quantity": "", We don’t guarantee that we will receive your returned item. Find your Double counterbalance valve at ERIKS. Directional Valves and Remote Controls; Pumps & Motors; Compact Hydraulics; Electronic components & PHC systems; FAMILY RANGE. Incorporating a pressure control valve called a counterbalance is a better way to control running-away loads. "dimension8": "12497191", "name": "overcenter valve da vbcd/a de 3/8"", Double acting for travel drives and winch drives; Size 20 … 25; Nominal pressure 350 bar; Maximum pressure 420 bar; Direct attachment on Rexroth axial piston motors (A2FM / A2FE / A6VM / A6VE) Additional information . "price": "172.8", Counterbalance valves – common cavity. Versione -Version 01/092009 In order to constantly improve our products quality, we take the right to make changes to the catalogues at any time without notice. While counterbalance valves maintain a healthy amount of back pressure, they force the pump to develop the full set pressure on the counterbalance spring before they allow the actuator to move. Click on the image to download the 07/2020 catalogue. "name": "overcenter valve da vbcd/a de 1/2"", "dimension7": "1" Counterbalance valves play an integral role in the important task of safely controlling an actuator which may be holding a load or a person in the air. "dimension7": "1" This product takes into account the ISO 8643 standard that is to say it holds the load if there is a hose break. The counterbalance valve working principle states that the fluid will be trapped inside the spool under pressure until the pilot pressure overcomes the pre-set value. Choose from more than 500.000 products online and order right away. Counterbalance Valves - Athmosferic Vent. "category": "hydraulics/motion / load control valves/pr4026386266540102", "dimension8": "12497190", While counterbalance valves maintain a healthy amount of back pressure, they force the pump to develop the full set pressure on the counterbalance spring before they allow the actuator to move. "dimension7": "1" A counterbalance keeps an actuator from running away even with variable flow rates. 60 lpm [16 gpm] 350 bar [5075 psi] VCB12-CN NCS12-3. We only replace items if they are defective or damaged. Double acting for travel drives and winch drives,Size,20,25,Nominal pressure,350 bar,5100 psi,Nominal pressure up to,350 bar,5100 psi,Maximum pressure,420 bar,6100 psi,Maximum pressure up,420 bar,6100 psi,Direct attachment on Rexroth axial piston motors (A2FM / A2FE / A6VM / A6VE) £74.07 exc VAT. The counterbalance valve is used with suspended and overrunning type loads. "variant": "pce", "category": "hydraulics/motion / load control valves/pr4026386266540102", "variant": "pce", To be eligible for a return, your item must be unused and in the same condition that you received it. Shipping throughout the UK and surrounding islands is particularly complex especially when transporting heavy goods such as ours. Both counterbalance valves and pilot-operated check … https://omtgroup.it/en/product/double-counterbalance-valves Features. As the industry leader in counterbalance solutions, Sun Hydraulics offers more than 150 standard counterbalance models in a range of capacities, pilot ratios and configurations. These valves were designed in the early thirties by Harry Vickers’ team, who developed them as spool type valves and hence were not found to be zero leak. This is due to cross-piloting, load-induced pressure, and cylinder ratio. The following illustration shows a counterbalance valve schematic. Characteristic curve Description. Addresses. 1) create an account2) see product prices3) place your order, {"addToCartPD":{ If the ratio 3:1 => CVR=3. Check valves ; Pilot operated check valves ; Counterbalance valves ; Prev. Double Overcenter Valves For Closed Center. Counterbalance Valves (Overcenter Valves) Cushion Valves (Double Relief Valves) Directional Control Valves. "quantity": "", The counterbalance valve is used with suspended and overrunning type loads. See the catalogues They are designed to create backpressure at the return line of the actuator to prevent losing control over the load. Walvoil Hydrocontrol Galtech LINES. "id": "gr0000001075200", "variant": "pce", Our policy lasts 30 days. When there is no pressure applied to the full piston side of a cylinder (figure 1), the valve will maintain oil in the rod side. Ball Valves; Check Valves; Check Valves (Pilot-Operated) Counterbalance Valves (Overcenter Valves) Cushion Valves (Double Relief Valves) Directional Control Valves "quantity": "", Counterbalance valves are used with cylinders to safely hold suspended loads and deal with over-running loads. } Indeed, they enable a jerk-free movement on the part of consumers in the presence of over-centre loads. During your checkout process, you will be presented with options for courier delivery and pallet delivery. If orders are placed after 3.00pm on Thursday or on Friday before 3.00pm, delivery will take place the following Monday. £74.07 exc VAT. This example shows an actuator built of a double-acting hydraulic cylinder, directional valve, flow control, block of counterbalance valves, power unit, and a control unit. If any item in your order is deliverable by pallet only, then you will be presented with a pallet delivery option only. 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