YS Sequence Valve

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2 Specification 03 06 10
Max.working pressure (MPa) 31.5
Max.Flow (L/min) 250 500 600
Working fluid Mineral oil;phosphate-ester
Fluid temp (℃) -20~70
Viscosity (mm²/s) 12~380
Working press (MPa) 5 10 20 31.5
Weight(Kg) YS Model 2.6 3.5 4.4
Cleanliness The maximum allowable cleanliness of the oil should be according to 9th degree of Standard NAS 1638.It is suggested that the minimum filter rating should be β 10 ≥75.

 YS pilot-operated sequence valve is used to control action sequence of actuators in hydraulic systems so as to achieve automatic control. By changing the control mode, it can serve as back pressure valve, unload valve, bypass valve and sequence valve. In addition, an internal supply internal discharge or an external supply internal discharge sequence valve can also be used as a balance valve if it includes a check valve.


Model L1 L2 L3 L4 L5 L6 L7 L8 L9 L10 L11 L12 B1 B2 B3 B4 B5 B6 H1 H2 H3 D D1 D2 D3
YS-03 96 35.5 42.9 21.5 - 7.2 21.5 31.5 35.8 23 6 98 85 80 66.7 58.8 7.9 87 112 92 28 12 6 M10 7
YS-06 116 37.5 60.3 39.7 - 11.1 20.6 44.5 49.2 24 6 118 102 59.5 79.4 73 6.4 104 122 102 38 25 6 M10 7
YS-10 145 33 84.2 59.5 42.1 16.7 24.6 62.7 67.5 25 6 147 120 76 96.8 92.8 3.8 149 130 110 46 32 6 M10 7

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