01
FVF series pilot type 5-way solenoid valve (5120 Series)
Detailed description
Its fundamental design objective is the achievement of a favorable ratio between dimensional footprint and pneumatic output, a characteristic often described as high flow density. By concentrating respectable flow capacity within a compact body, this valve enables machine builders to configure dense manifold assemblies where multiple units are positioned in close proximity. Such arrangements prove particularly valuable in applications where control cabinet space is at a premium or where overall machine dimensions must be minimized without compromising functional capability.
Attention to operational efficiency is evident in the power consumption characteristics of this series. Select variants incorporate dedicated power-saving circuitry that reduces electrical demand to approximately 0.55 watts during continuous energization. This reduction in coil consumption offers tangible benefits in several contexts. Facilities operating large numbers of valves can realize meaningful cumulative energy savings over time. Equipment with valves that remain energized for extended periods benefits from reduced heat generation within control enclosures, potentially easing thermal management requirements. Additionally, lower power draw may permit integration with control systems having limited output capacity, expanding the range of compatible platforms.
A noteworthy aspect of the valve's internal architecture is the shared exhaust arrangement between the pilot stage and the main valve body. In conventional pilot-operated designs, the pilot exhaust often requires separate venting provisions or additional plumbing to handle discharge air. By integrating this function, the 5120 series eliminates the need for separate exhaust components and the associated connections. This simplification reduces potential leak paths within the system and streamlines the installation process, as technicians have fewer lines to route and secure. Maintenance activities also benefit, with reduced complexity when accessing or replacing individual units within a manifold assembly.
The pilot-operated configuration ensures consistent shifting performance across the rated pressure range. The main spool responds reliably to pilot signals, providing repeatable directional control for pneumatic actuators. This construction supports moderate to high cycle rates while maintaining positional accuracy over extended operational periods. The combination of space-efficient packaging, reduced power demand, and simplified exhaust architecture positions the FVF Series 5120 as a practical component for machine designs where these characteristics align with application requirements.
Graphic symbols
|
2-position single solenoid control |
2-position double solenoid control |
||
|
|
|
||
|
3-position center closed type |
3-position center exhaust type |
3-position center pressure type |
|
|
|
|
![]() |
|
Flow characteristics quality table
| Valve mode | Function | Port size | Flow characteristics | Mass g | |||||||||
| 1,4,2 (P,A,B) |
5,3 (EA,EB) |
1→4/2(P→A/B) | 4/2 → 5/3(A/B →EA/EB) | Direct lead-out type |
DIN socket type | ||||||||
| C[dm3/s∙bar)] | b | Cv | C[dm3/s∙bar)] | b | Cv | ||||||||
| Direct piping type |
FVF5□20-02 | 2-position | single solenoid control | 1/4 | 7.1 | 0.46 | 1.9 | 7.7 | 0.51 | 2.2 | 313 | 349 | |
| double solenoid control | 7.1 | 0.46 | 1.9 | 7.7 | 0.51 | 2.2 | 368 | 440 | |||||
| 3-position | center closed type | 6.7 | 0.46 | 1.8 | 6.6 | 0.41 | 1.8 | 406 | 478 | ||||
| center exhaust type | 7.1 | 0.42 | 1.9 | 8.0[7.4] | 0.45[0.47] | 2.2[2.1] | 406 | 478 | |||||
| center pressure type | 6.8[2.7] | 0.51[0.50] | 2.0[0.78] | 5.7 | 0.37 | 1.4 | 406 | 478 | |||||
| FVF5□20-03 | 2-position | single solenoid control | 3/8 | 8.8 | 0.44 | 2.4 | 10 | 0.49 | 2.9 | 299 | 335 | ||
| double solenoid control | 8.8 | 0.44 | 2.4 | 10 | 0.49 | 2.9 | 354 | 426 | |||||
| 3-position | center closed type | 7.5 | 0.43 | 2 | 7.5 | 0.38 | 1.9 | 391 | 463 | ||||
| center exhaust type | 8.3 | 0.4 | 2.2 | 10.0[8.7] | 0.48[0.46] | 3.0[2.4] | 391 | 463 | |||||
| center pressure type | 9.2[3.0] | 0.50[0.49] | 2.6[0.85] | 6.1 | 0.35 | 1.6 | 391 | 463 | |||||
outline dimension diagram






