Hydraulic Valves
Hydraulics
Hydraulic valves are the precision control elements at the heart of every fluid power circuit. Directional control valves switch flow paths in as little as 20-80 ms, pressure relief valves protect systems up to 350 bar, and throttle check valves regulate flow from 0.1 to 500 L/min - all to ISO 4401 and ISO 1219 port and symbol standards. Seat valves achieve near-zero internal leakage (<1 cm³/min), while slide valves and intermediate plate designs allow modular stacking without external pipework, reducing installation time by up to 60 %.
fluidics-equipment.com stocks 467 hydraulic valve products across 12 subcategories - covering directional valves, pressure relief, throttle-check, hand lever, seat valves, and full system accessories. All major valve families conform to ISO 4401 (mounting interface), DIN 24340, and EN ISO 6403, ensuring direct interchangeability between brands and straightforward integration into existing manifold and connection-plate assemblies.
Categories
Gear PumpsExternal and internal gear, 1-250 cm³/rev, up to 250 bar, ISO 4401
Three-phase motorsIE2/IE3 efficiency, 0.09-200 kW, B3/B5/B14 mounting, IEC 60034
Throttle check valvesBi-directional flow control 0.1-500 L/min, up to 350 bar, ISO 1219
Hand lever valves2/2, 3/2, 4/3-way manual actuation, up to 315 bar, detent or spring-return
Pressure relief valvesDirect and pilot-operated, 5-350 bar set range, <3 % hysteresis
Slide Valves 6/2-Way6/2-way spool design, spring-return or detent, ISO 4401 NG6/NG10
Connection platesISO 4401 NG6-NG32 interface, steel or aluminium, up to 350 bar
Intermediate plate valvesSandwich-mount NG6/NG10/NG16, check, throttle, or pressure functions
Pressure relief valvesCartridge and inline pilot-operated types, 10-400 bar, DIN 24340
Seat valves 2/2-wayPoppet seat, leak-free <1 cm³/min, DN6-DN32, up to 350 bar
Directional valves4/2, 4/3-way solenoid or manual, NG4-NG25, switching time 20-80 ms
AccessoriesSeals, fittings, pressure gauges, filters - up to 400 bar rated
Up to 350 bar - operating pressure across seat, spool and relief valve families
0.1-500 L/min - flow range covered by throttle-check and directional valve series
ISO 4401 NG4-NG32 - standardised mounting interface for direct interchangeability
20-80 ms switching - fast solenoid response in directional control valves
<1 cm³/min leakage - poppet seat valves for zero-drift load holding (ISO 6403)
467 products in stock - DIN 24340 and EN ISO 1219 compliant across all 12 valve types
Directional valves vs. Seat valves vs. Pressure relief valves vs. Throttle check valves - technical comparison
| Criterion | Directional valves | Seat valves 2/2 | Pressure relief valves | Throttle check valves |
|---|---|---|---|---|
| Primary function | Flow direction switching | On/off leak-free shutoff | System overpressure protection | Flow rate regulation |
| Max. operating pressure | 315 bar (NG25) | 350 bar | 400 bar | 350 bar |
| Flow range | up to 400 L/min | up to 300 L/min | up to 500 L/min | 0.1-500 L/min |
| Leakage | ca. 5-50 cm³/min (spool) | <1 cm³/min (poppet) | minimal (closed) | check direction: zero |
| Actuation | Solenoid / manual / pilot | Solenoid / hydraulic pilot | Spring (direct/pilot-operated) | Manual needle / fixed orifice |
| Mounting standard | ISO 4401 NG4-NG25 | Threaded cartridge / ISO 4401 | Inline / cartridge / ISO 4401 | Sandwich / inline (NG6-NG16) |
| Switching response | 20-80 ms | ca. 30-100 ms | continuous (pressure-set) | continuous (flow-set) |
| Applicable norm | ISO 4401, DIN 24340 | ISO 6403, DIN 24340 | ISO 6945, DIN 24340 | ISO 1219, DIN 24340 |
Hydraulic Valves - Product overview by type
| Valve type | Application | Key specification | Feature |
|---|---|---|---|
| Directional valves | Cylinder and motor actuation circuits | 4/2, 4/3-way; NG4-NG25; up to 315 bar | 20-80 ms switching, ISO 4401 |
| Seat valves 2/2-way | Load holding, clamping, leak-free shutoff | DN6-DN32; up to 350 bar; <1 cm³/min | Poppet seat, ISO 6403 |
| Pressure relief valves | System overpressure protection, safety circuits | 5-350 bar set range; <3 % hysteresis | Direct and pilot-operated, DIN 24340 |
| Throttle check valves | Cylinder speed control, deceleration | 0.1-500 L/min; up to 350 bar | Bi-directional, sandwich NG6-NG16 |
| Hand lever valves | Manual machine control, service functions | 2/2, 3/2, 4/3-way; up to 315 bar | Detent or spring-return, ISO 1219 |
| Intermediate plate valves | Compact manifold stacking circuits | NG6/NG10/NG16 sandwich; up to 315 bar | No external pipework, ISO 4401 |
| Slide valves 6/2-way | Multi-port switching, dual-feed circuits | 6/2-way spool; NG6/NG10; up to 315 bar | Spring-return or detent, ISO 4401 |
| Connection plates | Subplate manifold assembly, valve mounting | NG6-NG32; steel or aluminium; up to 350 bar | ISO 4401 interface, DIN 24340 |
Typical fields of application: Mobile hydraulics and construction machinery (ISO 4401, DIN 24340), industrial press and clamping systems (EN ISO 6403), agricultural and forestry equipment (ISO 1219), factory automation and machine tools (DIN EN 13849), offshore and marine hydraulics (ISO 6945), steel and rolling mill drives (ISO 4401, DIN 24340)
- EMO-1500-7,5-B35. Three-phase motor, Design B35, 1500 n, 4-pin, 7,50 kW€2,160.84 €1,815.83excl. Shipping Cost
- EMO-1500-7,5-B5. Three-phase motor, Design B5, 1500 n, 4-pin, 7,50 kW€2,160.84 €1,815.83excl. Shipping Cost
- EMO-1500-7,5-B3. Three-phase motor, Design B3, 1500 n, 4-pin, 7,50 kW€2,020.07 €1,697.54excl. Shipping Cost
- EMO-3000-7,5-B5. Three-phase motor, Design B5, 3000 n, 2-pin, 7,50 kW€1,689.35 €1,419.62excl. Shipping Cost
- EMO-3000-7,5-B35. Three-phase motor, Design B35, 3000 n, 2-pin, 7,50 kW€1,689.35 €1,419.62excl. Shipping Cost
- EMO-1500-5,5-B35. Three-phase motor, Design B35, 1500 n, 4-pin, 5,50 kW€1,664.77 €1,398.97excl. Shipping Cost
- EMO-1500-5,5-B5. Three-phase motor, Design B5, 1500 n, 4-pin, 5,50 kW€1,664.77 €1,398.97excl. Shipping Cost
- EMO-3000-7,5-B3. Three-phase motor, Design B3, 3000 n, 2-pin, 7,50 kW€1,577.63 €1,325.74excl. Shipping Cost
- EMO-1500-5,5-B3. Three-phase motor, Design B3, 1500 n, 4-pin, 5,50 kW€1,555.28 €1,306.96excl. Shipping Cost
- EMO-3000-5,5-B35. Three-phase motor, Design B35, 3000 n, 2-pin, 5,50 kW€1,401.09 €1,177.39excl. Shipping Cost
- EMO-3000-5,5-B5. Three-phase motor, Design B5, 3000 n, 2-pin, 5,50 kW€1,401.09 €1,177.39excl. Shipping Cost
- EMO-1500-4,0-B35. Three-phase motor, Design B35, 1500 n, 4-pin, 4,00 kW€1,345.22 €1,130.44excl. Shipping Cost
- EMO-1500-4,0-B5. Three-phase motor, Design B5, 1500 n, 4-pin, 4,00 kW€1,345.22 €1,130.44excl. Shipping Cost
- EMO-3000-5,5-B3. Three-phase motor, Design B3, 3000 n, 2-pin, 5,50 kW€1,309.49 €1,100.41excl. Shipping Cost
- EMO-1500-4,0-B3. Three-phase motor, Design B3, 1500 n, 4-pin, 4,00 kW€1,258.07 €1,057.20excl. Shipping Cost
- EMO-3000-4,0-B35. Three-phase motor, Design B35, 3000 n, 2-pin, 4,00 kW€1,202.22 €1,010.27excl. Shipping Cost
- EMO-3000-4,0-B5. Three-phase motor, Design B5, 3000 n, 2-pin, 4,00 kW€1,202.22 €1,010.27excl. Shipping Cost
