Original Sun CBGY-LHN 2: 1 Pilot Ratio, Standard Capacity Counterbalance Hydraulic Valve
Date2023/11/10 10:32:47 Views： 1,421 次
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Counterbalance valves with pilot assist are meant to control an overrunning load. The check valve allows free flow from the directional valve (port 2) to the load (port 1) while a direct-acting, pilot-assisted relief valve controls flow from port 1 to port 2. Pilot assist at port 3 lowers the effective setting of the relief valve at a rate determined by the pilot ratio.
| Cavity | T-17A |
| Series | 3 |
| Capacity | 60 gpm |
| Pilot Ratio | 2:1 |
| Maximum Recommended Load Pressure at Maximum Setting | 3075 psi |
| Maximum Setting | 4000 psi |
| Factory Pressure Settings Established at | 2 in³/min. |
| Maximum Valve Leakage at Reseat | 5 drops/min. |
| Adjustment - No. of CCW Turns from Min. to Max. Setting | 3.75 |
| Operating Characteristic | Standard |
| Reseat | >85% of setting |
| Valve Hex Size | 1 1/4 in. |
| Valve Installation Torque | 150 - 160 lbf ft |
| Adjustment Screw Internal Hex Size | 5/32 in. |
| Locknut Hex Size | 9/16 in. |
| Locknut Torque | 80 - 90 lbf in. |
| Model Weight | 1.36 lb. |
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