Towa Seiden FLD-4SA-□P Flowline Displacer

Manufacturer: Towa Seiden Kogyo Co., Ltd.
Model: FLD-4SA-□P

Features

The flowline-type displacer provides flexible and precise level control for demanding applications. First, it allows free adjustment of the float position, so users can fine-tune detection points easily. In addition, the wire-based structure lets you adjust the sensor length freely, which simplifies installation and customization.

Moreover, the system supports up to six contact outputs, thereby enabling multi-point monitoring with a single device. At the same time, it operates reliably across a wide temperature range from 20 to 180 degrees and handles pressures up to 1 MPa, so performance remains stable under harsh conditions.

Furthermore, long sensor lengths do not require wooden crate packaging, which reduces logistics cost and handling effort. As a result, transportation becomes faster and more efficient, even for units longer than two meters. Meanwhile, standard specification models ship the same day, ensuring quick delivery and minimal downtime.

Finally, RoHS compliance guarantees environmental responsibility. Therefore, the flowline-type displacer combines flexibility, durability, fast delivery, and regulatory compliance in one practical solution.

Specifications

ItemSpecification
Detection PrincipleDisplacer type
Measured MediumAll liquids (stainless-steel wetted parts, corrosion resistant)
Wetted Parts MaterialSUS304 (optional: SUS316)
Terminal BoxAC4A (IP65 equivalent)
Maximum Wire Length3 m, 5 m (max. 9 m)
Maximum Number of Contacts6 points (SPST reed switches, all normally ON)
Pressure RangeVacuum to 1 MPa
Standard MountingJIS 5K50A flange (pressure rating varies)
Electrical ConnectionG1/2″
Operating Temperature−20 to 180 °C (no freezing)
Ambient Temperature−10 to +55 °C
Switch HysteresisMax. 20 mm
Switch Life1,000,000 operations
Maximum Contact RatingDC: 10 W, 100 V DC, 0.5 A DC
AC: 10 VA, 100 V AC, 0.5 A AC

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