Waterworks

DOROT S300L AL (3W)

Diaphragm-actuated, Rigid Seal, 3-way Altitude Pilot Level Control, Globe Valve

DOROT S300L AL (3W), is a Diaphragm-actuated, Rigid Seal, 3-way, Altitude Pilot Level Control Globe Valve, activated by the pressure of the pipeline. The main valve is controlled by a highly sensitive pilot, located outside the tank. The pilot opens or closes the valve in response to static water pressure. The pilot allows for differential adjustments between maximum and minimum water levels.

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″ and above – 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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