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FSYJA5000 series direct piping type (5120 Series)
Detailed description
Control Type Selection
The series supports two distinct control configurations to match different circuit design needs. Single-pilot versions function as reset-type valves, returning to their original position when the solenoid is de-energized. Double-pilot versions provide memory or retention functionality, maintaining the last shifted position without continuous power application. This dual offering allows designers to select the appropriate behavior for specific applications, whether momentary actuation or maintained positioning is required.
Voltage Compatibility
Standard power supply options include 12VDC and 24VDC, which are commonly available in industrial control systems. For installations utilizing alternating current, optional voltages of 100V, 110V, and 220V AC are available. This range of voltage choices ensures compatibility with various power distribution schemes across different regions and equipment types without requiring additional interface components.
Safety and Indication Features
Each unit incorporates an LED status indicator as standard equipment, providing immediate visual confirmation of valve position. This feature assists during commissioning, troubleshooting, and normal operation by allowing personnel to verify solenoid status without electrical measurement tools. Models designated with a "Z" suffix include an integrated overvoltage protection circuit. This built-in safeguard helps prevent coil damage due to voltage spikes or transient conditions, contributing to extended service life and reduced unexpected failures.
Wiring Method Flexibility
Connection options accommodate different installation environments and preferences. L-type sockets offer a plug-in connection that simplifies valve replacement and permits wiring harness assembly independent of valve installation. Direct cable exit (G-type) configuration provides a permanent connection suitable for applications where vibration resistance or space constraints favor hardwiring. This range of wiring methods allows the valve to be integrated into various panel designs and enclosure types.
Application Suitability
The combination of control flexibility and wiring options makes this series appropriate for several common scenarios. Stand-alone equipment benefits from the ability to select the exact control behavior needed. Space-limited installations can choose the wiring method that best fits available clearance. Field applications where rapid deployment or component exchange occurs gain advantage from plug-in socket options. Small pneumatic systems with modest power requirements can utilize the DC voltage variants directly from common control supplies.
Practical Implementation
The direct piping format complements the electrical flexibility by eliminating base plate requirements. This combination allows each installation to be tailored to specific spatial and functional needs without being constrained by manifold layouts or fixed wiring arrangements.
Graphic symbols
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2-position single pneumatic control |
2-position dual pneumatic control |
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3-position center closed type |
3-position center exhaust type |
3-position center pressure type |
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Flow characteristics quality table
| Valve mode | Function | Port size | Flow characteristics | Pilot port connection size | Mass g | |||||||
| 1→4/2(P→A/B) | 4/2 → 5/3(A/B →EA/EB) | |||||||||||
| C[dm3/s∙bar)] | b | Cv | C[dm3/s∙bar)] | b | Cv | |||||||
| Direct piping type |
FSYJA5□ 20-M5 |
2-position | single pneumatic control | M5x0.8 | 0.47 | 0.41 | 0.13 | 0.47 | 0.41 | 0.13 | M5x0.8 | 34 |
| dual pneumatic control | 38 | |||||||||||
| 3-position | center closed type | 0.49 | 0.44 | 0.13 | 0.44 | 0.4 | 0.12 | 48 | ||||
| center exhaust type | 0.46 | 0.37 | 0.12 | 0.47[0.39] | 0.43[0.35] | 0.13[0.10] | ||||||
| center pressure type | 0.49[0.39] | 0.51[0.38] | 0.14[0.10] | 0.45 | 0.42 | 0.12 | ||||||
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FSYJA5□ 20-C4 |
2-position | single pneumatic control | A, B ports: C4 (ø4 Quick change connector) P、 R ports: M5x0.8 |
0.69 | 0.39 | 0.18 | 0.44 | 0.39 | 0.12 | 41 | ||
| dual pneumatic control | 45 | |||||||||||
| 3-position | center closed type | 0.69 | 0.4 | 0.19 | 0.43 | 0.4 | 0.12 | 55 | ||||
| center exhaust type | 0.56 | 0.4 | 0.15 | 0.41[0.41] | 0.37[0.37] | 0.10[0.11] | ||||||
| center pressure type | 0.57[0.41] | 0.40[0.37] | 0.15[0.10] | 0.41 | 0.37 | 0.1 | ||||||
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FSYJA5□ 20-C6 |
2-position | single pneumatic control | A, B ports: C6 (ø6 Quick change connector) P、 R ports: M5x0.8 |
0.7 | 0.36 | 0.19 | 0.47 | 0.4 | 0.12 | 41 | ||
| dual pneumatic control | 45 | |||||||||||
| 3-position | center closed type | 0.72 | 0.37 | 0.19 | 0.44 | 0.34 | 0.12 | 55 | ||||
| center exhaust type | 0.67 | 0.54 | 0.19 | 0.41[0.41] | 0.38[0.38] | 0.11[0.11] | ||||||
| center pressure type | 0.82[0.44] | 0.41[0.39] | 0.23[0.12] | 0.41 | 0.36 | 0.11 | ||||||
outline dimension diagram






