Manufacturer: Okaya Seiritsu Engineering Co., Ltd.
Model: FCV Series
Features
- The flow control valve is designed to maintain a constant flow rate by automatically adjusting its opening in response to changes in upstream (initial) or downstream (service) pressure.
- This self-operating valve does not require an external power source.
- It works by utilizing the differential pressure between the upstream and downstream sides of the valve, which acts on a piston or diaphragm.
- This pressure difference balances with a set spring, controlling the valve’s opening.
- As the pressure fluctuates, the piston or diaphragm moves to adjust the valve’s position, ensuring that the differential pressure remains at the preset level, thereby stabilizing the flow rate.
- The valve’s opening can be easily modified to achieve the desired flow rate, and its capacity can be conveniently adjusted by altering the opening area of the variable orifice, offering flexible and efficient flow control.
Specification
| Type | FCV1/2-11 | FCV1/2-21 | FCV-10 | FCV-20 |
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| Flow range (l/ｈ) | 50～500 | 1000～5500 |
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| 100～1000 |
| Maximum allowable working pressure (MPa) | 2 | 2 |
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| Required valve differential force (MPa) | 0.1 | 0.1 |
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| Inner valve drive method | Piston type | Piston type |
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| Orifice opening change method | Motor-driven | Lever handle | Motor-driven | Lever handle |
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| Type | FCVD-13 | FCVD-23 | FCVD-33 | |
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| Flow range (l/ｈ) | 20～50 | 50～200 | 200～500 | |
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| Maximum allowable working pressure (MPa) | 1 | |
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| Required valve differential force (MPa) | 0.1 | |
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| Inner valve drive method | Diaphragm type | |
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| Orifice opening change method | Lever handle | |
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