Yuken — LD Series Directional / Directional-Flow Logic Valve (ISO 7368 Cartridge)
Directional Logic Yuken

Yuken — LD Series Directional / Directional-Flow Logic Valve (ISO 7368 Cartridge)

Family ID: YUK-GLOG-LD

Directional Control / Directional & Flow Control Logic Valves (LD). ISO 7368 two-port slip-in cartridge. Sizes 16–100, max 31.5 MPa, rated 130–5500 L/min, poppet area ratio 2:1. Cover forms: standard / check / shuttle / stroke-adjust. Abbreviated catalog — details by inquiry.

40 product codes available in this family

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Product Codes & Specifications

Product Code Description Brand Spec
LD-16-12 Standard (directional), size 16 Yuken Type: Directional logic (Standard (directional)) | Size: 16 | Rated Flow: 130 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-25-12 Standard (directional), size 25 Yuken Type: Directional logic (Standard (directional)) | Size: 25 | Rated Flow: 350 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-32-12 Standard (directional), size 32 Yuken Type: Directional logic (Standard (directional)) | Size: 32 | Rated Flow: 500 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-40-12 Standard (directional), size 40 Yuken Type: Directional logic (Standard (directional)) | Size: 40 | Rated Flow: 850 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-50-12 Standard (directional), size 50 Yuken Type: Directional logic (Standard (directional)) | Size: 50 | Rated Flow: 1400 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-63-12 Standard (directional), size 63 Yuken Type: Directional logic (Standard (directional)) | Size: 63 | Rated Flow: 2100 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-80-11 Standard (directional), size 80 Yuken Type: Directional logic (Standard (directional)) | Size: 80 | Rated Flow: 3400 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -11 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-100-11 Standard (directional), size 100 Yuken Type: Directional logic (Standard (directional)) | Size: 100 | Rated Flow: 5500 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -11 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-16-4-12 Check valve built-in (directional), size 16 Yuken Type: Directional logic (Check valve built-in (directional)) | Size: 16 | Rated Flow: 130 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-25-4-12 Check valve built-in (directional), size 25 Yuken Type: Directional logic (Check valve built-in (directional)) | Size: 25 | Rated Flow: 350 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-32-4-12 Check valve built-in (directional), size 32 Yuken Type: Directional logic (Check valve built-in (directional)) | Size: 32 | Rated Flow: 500 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-40-4-12 Check valve built-in (directional), size 40 Yuken Type: Directional logic (Check valve built-in (directional)) | Size: 40 | Rated Flow: 850 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-50-4-12 Check valve built-in (directional), size 50 Yuken Type: Directional logic (Check valve built-in (directional)) | Size: 50 | Rated Flow: 1400 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-63-4-12 Check valve built-in (directional), size 63 Yuken Type: Directional logic (Check valve built-in (directional)) | Size: 63 | Rated Flow: 2100 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-16-5-12 Shuttle valve built-in (directional), size 16 Yuken Type: Directional logic (Shuttle valve built-in (directional)) | Size: 16 | Rated Flow: 130 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-25-5-12 Shuttle valve built-in (directional), size 25 Yuken Type: Directional logic (Shuttle valve built-in (directional)) | Size: 25 | Rated Flow: 350 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-32-5-12 Shuttle valve built-in (directional), size 32 Yuken Type: Directional logic (Shuttle valve built-in (directional)) | Size: 32 | Rated Flow: 500 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-40-5-12 Shuttle valve built-in (directional), size 40 Yuken Type: Directional logic (Shuttle valve built-in (directional)) | Size: 40 | Rated Flow: 850 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-50-5-12 Shuttle valve built-in (directional), size 50 Yuken Type: Directional logic (Shuttle valve built-in (directional)) | Size: 50 | Rated Flow: 1400 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-63-5-12 Shuttle valve built-in (directional), size 63 Yuken Type: Directional logic (Shuttle valve built-in (directional)) | Size: 63 | Rated Flow: 2100 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Design: -12 | Options (RFQ): Cracking(none/05/20) · Poppet cushion(none/S) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-16-S-1-12 Stroke adjustment built-in (directional & flow), size 16 Yuken Type: Directional & flow logic (Stroke adjustment built-in) | Size: 16 | Rated Flow: 130 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-25-S-1-12 Stroke adjustment built-in (directional & flow), size 25 Yuken Type: Directional & flow logic (Stroke adjustment built-in) | Size: 25 | Rated Flow: 350 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-32-S-1-12 Stroke adjustment built-in (directional & flow), size 32 Yuken Type: Directional & flow logic (Stroke adjustment built-in) | Size: 32 | Rated Flow: 500 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-40-S-1-12 Stroke adjustment built-in (directional & flow), size 40 Yuken Type: Directional & flow logic (Stroke adjustment built-in) | Size: 40 | Rated Flow: 850 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-50-S-1-12 Stroke adjustment built-in (directional & flow), size 50 Yuken Type: Directional & flow logic (Stroke adjustment built-in) | Size: 50 | Rated Flow: 1400 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-63-S-1-12 Stroke adjustment built-in (directional & flow), size 63 Yuken Type: Directional & flow logic (Stroke adjustment built-in) | Size: 63 | Rated Flow: 2100 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-80-S-1-11 Stroke adjustment built-in (directional & flow), size 80 Yuken Type: Directional & flow logic (Stroke adjustment built-in) | Size: 80 | Rated Flow: 3400 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -11 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-100-S-1-11 Stroke adjustment built-in (directional & flow), size 100 Yuken Type: Directional & flow logic (Stroke adjustment built-in) | Size: 100 | Rated Flow: 5500 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -11 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-16-S-2-12 Check + stroke adjustment (directional & flow), size 16 Yuken Type: Directional & flow logic (Check + stroke adjustment) | Size: 16 | Rated Flow: 130 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-25-S-2-12 Check + stroke adjustment (directional & flow), size 25 Yuken Type: Directional & flow logic (Check + stroke adjustment) | Size: 25 | Rated Flow: 350 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-32-S-2-12 Check + stroke adjustment (directional & flow), size 32 Yuken Type: Directional & flow logic (Check + stroke adjustment) | Size: 32 | Rated Flow: 500 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-40-S-2-12 Check + stroke adjustment (directional & flow), size 40 Yuken Type: Directional & flow logic (Check + stroke adjustment) | Size: 40 | Rated Flow: 850 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-50-S-2-12 Check + stroke adjustment (directional & flow), size 50 Yuken Type: Directional & flow logic (Check + stroke adjustment) | Size: 50 | Rated Flow: 1400 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-63-S-2-12 Check + stroke adjustment (directional & flow), size 63 Yuken Type: Directional & flow logic (Check + stroke adjustment) | Size: 63 | Rated Flow: 2100 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-16-S-3-12 Shuttle + stroke adjustment (directional & flow), size 16 Yuken Type: Directional & flow logic (Shuttle + stroke adjustment) | Size: 16 | Rated Flow: 130 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-25-S-3-12 Shuttle + stroke adjustment (directional & flow), size 25 Yuken Type: Directional & flow logic (Shuttle + stroke adjustment) | Size: 25 | Rated Flow: 350 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-32-S-3-12 Shuttle + stroke adjustment (directional & flow), size 32 Yuken Type: Directional & flow logic (Shuttle + stroke adjustment) | Size: 32 | Rated Flow: 500 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-40-S-3-12 Shuttle + stroke adjustment (directional & flow), size 40 Yuken Type: Directional & flow logic (Shuttle + stroke adjustment) | Size: 40 | Rated Flow: 850 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-50-S-3-12 Shuttle + stroke adjustment (directional & flow), size 50 Yuken Type: Directional & flow logic (Shuttle + stroke adjustment) | Size: 50 | Rated Flow: 1400 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry
LD-63-S-3-12 Shuttle + stroke adjustment (directional & flow), size 63 Yuken Type: Directional & flow logic (Shuttle + stroke adjustment) | Size: 63 | Rated Flow: 2100 L/min | Max Pressure: 31.5 MPa | Area Ratio: 2:1 | Poppet: S: cushion (required for flow type) | Design: -12 | Options (RFQ): Cracking(none/05/20) · Orifice — specify | Note: Abbreviated catalog — detailed specs by inquiry

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