Waterworks

DOROT S300L FLDI/FR (PR)

Diaphragm-actuated, Rigid Seal, Differential Float Level Control and Flow Control, Globe Valve

DOROT S300L FLDI/FR (PR), is a Diaphragm-actuated, Rigid Seal, Differential Float Level Control and Flow Control, Globe Valve. This float-pilot water-level control and flow control valve, opens when water level reaches a preset opening height, and automatically regulates to limit flow values. In cases where water level values are lower than the set value, the valve will open to minimize losses. The differential between opening and closing levels is adjustable.

Downloads

Product Page (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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