Catalog HY14-255/US Technical Information Series VY*K General Description Series VY*K pilot operated sequence valves feature proportional adjustment and an external drain. The external drain allows application as both a sequence valve and as a pressure relief valve. These valves can also be used as a pressure relief valve. Please observe hydraulic connection. Features NG1 NG1 Proportional adjustment. Manifold mounting acc. to ISO 5781. External drain. Main stage spool type valve. Pilot stage seated type valve. NG1 Specifications General Size NFP D3 / / CETOP 3 NFP D5 / NG1 / CETOP 5 Design Proportional Pressure Valve Mounting Pattern ISO 5781 ctuation Proportional Solenoid Mounting Position ny mbient Temperature -2 C to +7 C (-4 F to +158 F) Hydraulics Operating Pressure, Ports P, 315 ar (45 ), 315 ar (45 ) T depresssurized Y depressurized Flow 4 (1.6 ) 16 (42.3 ) Pressure Ranges 64, 1, 16, 21, 315 ar (928, 145, 232, 345, 4568 ) Fluid Hydraulic oil as per DIN 51524...51535, other on request Fluid Temp. Recommended +3 C to +5 C (+86 F to +122 F) Permitted -2 C to +7 C (-4 F to +158 F) Viscosity Range Recommended 3 to 5 cst / mm²/s (139 to 232 SSU) Permitted 2 to 38 cst / mm²/s (93 to 1761 SSU) Filtration ISO 446 (1999) 18/16/13 (acc. NS 1638: 7) Linearity ±3.5% at > 15% p nom Repeatability <±2% Hysteresis <3% Response Time <15 ms <2 ms Manufacturing Tolerance ±5% to p max Electrical Duty Cycle 1% ED; CUTION: Coil temperature up to 15 C (32 F) possible Protection Class IP54 at DIN 45 (plugged and mounted) Nominal Voltage 9 VDC Maximum Current 2.5 Coil Resistance 21 ohm at 2 C (68 F) Plug Connectors 2 pole + PE / connector EN 17531-83 / cable Ø 8 to 1mm Power mplifier PCD-4 VY_K.indd ddp 51
Catalog HY14-255/US Technical Information Series VY*K Ordering Information VY K Sequence Valve Pressure Range 64 64 ar (928 ) 1 1 ar (145 ) 16 16 ar (232 ) 21 21 ar (3 ) 315 315 ar (45 ) K Linear Solenoid 9 VDC, 2.5 Size 6 1 NG1 Seal N Nitrile V Fluorocarbon Weight: VY*K6 VY*K1 Design Series NOTE: Not required when ordering. 2.4 kg ( lbs.) 4.5 kg (8.9 lbs.) Performance Curves - Pressure Curves where p = f(u set ) Setting Range max. 64 ar (928 ) ar 87 6 725 5 58 4 3 29 2 145 1 Typical 1 2 3 4 5 6 7 8 9 1 Command Signal (%) Setting Range max. 21 ar (345 ) ar 319 22 29 2 261 18 232 16 23 14 174 12 145 1 116 8 87 6 58 4 29 2 Typical 1 2 3 4 5 6 7 8 9 1 Command Signal (%) Step Response Signal Setting Range max. 21 ar (345 ) ar 653 45 58 4 58 35 36 ar (522 ) ar 653 45 58 4 58 35 36 ar (522 ) Without ccumulator Plate 363 29 218 145 3 25 2 15 1 19 ar (276 ) Dead oil volume in line V = 5 cm3 363 29 218 145 3 25 2 15 1 19 ar (276 ) With ccumulator Plate H6VMY-135 Dead oil volume in line V = 3 cm3 73 5 73 5 5 1 15 2 25 3 35 4 5 1 15 2 25 3 35 4 Time t (ms) VY_K.indd ddp 52
Catalog HY14-255/US Performance Curves Series VY*K6 p/q Performance Curves measured at t = 5 C (122 F) and v = 36mm 2 /s Setting Range max. 64 ar (928 ) Setting Range max. 1 ar (145 ) ar 116 8 115 7 87 6 1% Imax ar 174 12 145 1 1% Imax 725 5 58 4 29 145 3 2 1 5% Imax 1 2 3 4 1.6 116 8 87 6 58 4 29 2 5% Imax 1 2 3 4 1.6 Setting Range max. 16 ar (232 ) Setting Range max. 21 ar (3 ) 261 232 ar 18 16 1% Imax ar 348 24 29 2 1% Imax 23 14 174 12 145 1 116 8 87 6 5% Imax 261 18 23 14 145 1 5% Imax 58 4 29 2 1 2 3 4 1.6 87 6 29 2 1 2 3 4 1.6 Setting Range max. 315 ar (45 ) ar 3 377 26 319 22 261 18 23 14 145 1 87 6 29 2 1% Imax 5% Imax 1 2 3 4 1.6 Note: ccumulator Plate H6VMY-135 Height: 4 mm (1.58 in.) P T VY_K.indd ddp 53
Catalog HY14-255/US Performance Curves Series VY*K1 NG1 p/q Performance Curves measured at t = 5 C (122 F) and v = 36mm 2 /s Setting Range max. 64 ar (928 ) Setting Range max. 1 ar (145 ) 116 115 ar 8 7 1% Imax ar 174 12 145 1 1% Imax 87 725 58 6 5 4 3 5% Imax 116 87 58 8 6 4 5% Imax 29 2 145 1 72.5 5 2 4 1.6 6 8 1 12 15.9 21.2 26.5 31.7 14 37. 16 42.3 29 2 2 4 6 8 1 1.6 15.9 21.2 26.5 12 31.7 14 37. 16 42.3 Setting Range max. 16 ar (232 ) Setting Range max. 21 ar (345 ) ar 261 18 232 16 23 14 174 12 145 1 116 8 87 6 1% Imax 5% Imax ar 348 24 29 2 261 18 23 14 145 1 1% Imax 5% Imax 58 4 29 2 2 4 1.6 6 8 1 12 15.9 21.2 26.5 31.7 14 16 37. 42.3 87 29 6 2 2 4 6 8 1 1.6 15.9 21.2 26.5 12 31.7 14 37. 16 42.3 VY_K.indd ddp 54
Catalog HY14-255/US Dimensions Series VY*K6 Size 7. (.28) 13.5 (.53) 31. (1.22) 4.5 (1.59) T P PG11 141. (5.55) 128. (5.4) 48. (1.89) 58.5 (2.3) 8. (.31) 13 (.51) 65. (2.56) 128. (5.4) 45. (1.77) 45. (1.77) Surface Finish olt Kit DIN912 12.9 K375 4x-M5x3 K29 4x1-24x1.25 Seal Nitrile Fluorocarbon 7.5 Nm (5.5 lb.-ft.) SK-VMY-L6-N SK-VMY-L6-V Mounting Pattern ISO 5781-3-4-- 31. ±.1 (1.22 ±.4 ) 12.7 ±.2 (.5 ±.8 ) 5.1 ±.2 (.2 ±.8 ) 15.5 ±.2 (.61 ±.8 ) 25.9 ±.2 (1.2 ±.8 ) 12.5 (.49) 4.5 ±.1 (1.59 ±.4 ) 33. (1.3) 3.2 ±.2 (1.19 ±.8 ) 21.5 ±.2 (.85 ±.8 ) T P.75 ±.1 (.3 ±.4 ) 46. (1.81) 32.5 ±.1 (1.28 ±.4 ) max. 7.2 (.28) Ø 4.2 (.17) x4 deep 8. (3.15) body length M5 (1-24) -1 (.5) deep VY_K.indd ddp 55
Catalog HY14-255/US Dimensions Size NG1 Series VY*K1 25.4 (1.) 42.9 (1.69) 21.4 (.84) 1.7 7.1 (.28) Y (.42) (.31) 33.3 (1.31)58.7 (2.31) 66.7 (3) X 31.8 35.7 (1.25) (1.41) 83.5 152.5 (3.29) (6.) PG11 4.5 (.18) 145. (5.71) 74. (2.91) 65. (2.56) 6. (.24) Ø 6. (.24) 88. (3.46) 2.4 (.9) 23. Ø (.91) 32.5 (1.28) 15. (.59) Surface Finish olt Kit DIN912 12.9 Seal Mounting Pattern ISO 5781-6-7-- K389 4xM1x5 65 Nm (4 lb.-ft.) Nitrile: SK-V/VM-1 K242 4x3/8-16x2 Fluorocarbon: SK-V/VM-1V VY_K.indd ddp 56