Waterworks

DOROT S300L FLDI (3W)

Diaphragm-actuated, Rigid Seal, 3-way Differential Float Level Control, Globe Valve

DOROT S300L FLDI (3W), is a Diaphragm-actuated, Rigid Seal, 3-way Differential Float Level Control, Globe Valve. This automatic, pilot-controlled, level-control valve is activated by the pressure of the pipeline. The valve closes when water rises to a set maximum level and opens when the water level drops to a preset minimum point. The differential between opening and closing levels is adjustable.

Downloads

Product Page (PDF)

IOM (PDF)

BIM Models

Technical Specifications

Size Unit

Size range

DN50 - DN200 (2”- 8")

Pressure rating

PN16, PN25

Working temperature

0ᵒ – 80ᵒ C

End connection type

Threaded, Flanged, Grooved

Standard construction materials

Body and Cover

Ductile Iron

Internal Parts

Up to DN150, 6″ – Stainless Steel

DN200, 8″  – Stainless Steel and Coated Steel

Seals + Diaphragm

EPDM

* Other optional materials available upon request

Features & Benefits

Superior seat design, guided by the unique LTP (Linear Throttling Plug)
  • Enables regulation to ‘near-zero’ flow as standard for all valve sizes
  • Provides high reliability and operational stability
Stainless Steel control port sleeves
  • Protects against corrosion and blockage, reducing time and cost on maintenance
Self-cleaning inline filter
  • Cuts down on frequency of inspections and maintenance, significantly reducing labor costs
Low cavitation index
  • Eliminates conditions leading to cavitation over a wide operating pressure range
No dynamic O-rings
  • Superior design reduces ongoing maintenance due to leakage or breakdowns
Safety air release
  • Easily removes air from the control valve chamber, to ensure stability and optimal system performance
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