Emergency shutoff valve EIM-11F type Small mechanical emergency shutoff valve (release connection type)
When the seismic sensor is activated, it acts on the shutoff valve via the release mechanism, and the valve closes. Restoration is a safer recovery method because the shutoff valve is opened manually after the knob of the seismic sensor is operated and the amplifier is restored.
- Where to use
- Oil tankRefueling line
Major features
- Since it is a mechanical shut-off valve, there is no need for power failure countermeasures (emergency power supply) or electrical equipment work. (Excluding switch wiring for signal on the valve closing side)
- It can also be used in mountainous areas where there is no power supply.
- Due to its small size and light weight, it can be easily installed.
- Since the seismic sensor and shutoff valve are installed separately, the seismic sensor is mounted on a solid stand or a sturdy wall surface separately from the piping system, so there is no malfunction due to piping vibration.
specification
| Product code | EIM11F-VA |
|---|---|
| Valve type | Mechanical |
| type | Release connection type |
| Actuation | Valve closed when the seismic sensor is activated (the valve is manually opened after the seismic sensor and amplifier are restored) |
| Nominal diameter | 15-50 (1/2-2) |
| Applicable fluid | Fuel oil (kerosene, light oil, heavy fuel oil A)For fuel oil and light oil, depending on the destination (Ministry of Land, Infrastructure, Transport and Tourism, Ministry of Defense, etc.), the material of the main body may be specified, so please check and specify the material.・ Water / airThe disc material is also made of synthetic rubber (FKM, for gas).・ Inert gasThe disc material is also made of synthetic rubber (FKM, for gas). |
| Fluid temperature | 5-100 ℃We also manufacture with a limit switch (signal contact on the valve closing side). (Electrical work is required.) With a limit switch, the fluid temperature is 5 to 80 ° C. |
| Applicable pressure | 0-0.5MPaIf the applicable pressure exceeds 0.5MPa, please contact us. |
| Fluid viscosity | 50cSt or less |
| Ambient temperature | -10 to 50 ° C (no freezing, no condensation) |
| End connection | JIS 10K FF flange |
| Mounting posture | Upright mounting with release connection facing up on horizontal piping |
| Allowable leakage amount | Water / oil: None (visual pressure gauge) Air / inert gas: 50 mL / min (standard condition) or less |
| Installation location | For indoor use (For outdoor installation, please use with a rainproof cover.)When installing outdoors or when using in a place with a lot of dust, please use a rainproof cover and a special box (main body, seismic sensor). |
| Material body | SCS |
| Material Valve body | SUS |
| Material disc | PTFEWe also manufacture with a limit switch (signal contact on the valve closing side). (Electrical work is required.) With a limit switch, the fluid temperature is 5 to 80 ° C. |
| Seismic device operating method | Weight magnet type (mechanical type) |
| Seismic device operation display | Seismic sensor main unit display window Green: Warning display Red: Operation display |
| Seismic device reset method | By rotating the "knob" on the front of the seismic sensor |
| Seismic sensor Seismic detection function | 200 gal (equivalent to seismic intensity 5+) |
| Seismic device operation check | Manual operation by rotating the "knob" on the front of the seismic sensor |
| Seismic device accuracy check | Confirmation of operating angle by tilting the seismic sensor |
| Seismic device weather resistance | Simple drip-proof structure for indoor useWhen installing outdoors or when using in a place with a lot of dust, please use a rainproof cover and a special box (main body, seismic sensor). |
| Seismic device operating temperature range | -10 to 50 ° C |
| Seismic device Operating humidity range | 90% RH or less |
| Seismic device release length | In addition to 1,000 mm (applicable straight line distance 500 to 700 mm), according to the release length tableWhen installing the seismic sensor below the shutoff valve, use a release length of 1,800 mm. (Refer to page 385 of the catalog for installation.) |
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Frequently Asked Questions and Explanations
Is it possible to change the operating acceleration setting locally?
The operating acceleration cannot be changed in the field. Please contact us when ordering.
Is it possible to get a signal when a mechanical emergency shutoff valve is activated? (Answer details include a video)
The EIM-2 and 3 series are also available with an optional limit switch (no voltage). The EIM-7 series comes standard with a limit switch (no voltage) on the closed side.
Do you need a power supply?
The mechanical emergency shutoff valve does not require external power such as electrical signals, and does not require a power source because it operates only with the operating force of the seismic sensor due to seismic motion.
Inquiries about this product
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