STOP/SYSTEM® - PN 12 BAR STEEL DN 2”÷20”

1

The uniqueness of our Stop/System® is characterised by the following:

  • The particular patented shape of the flat valve which is capable of providing excellent performance with a reduced weight.
  • The patented anti-rotation device for ensuring maximum safety when the stopper is in position.

The Ravetti™ STOP/SYSTEM™ system is based on the following features:

  • SAFETY
  • SUPPLY CONTINUITY
  • EASY HANDLING
  • MANEUVERABILITY
  • REDUCED EXCAVATION DIMENSIONS
  • EMERGENCY INTERVENTIONS
  • REDUCED INTERVENTION COST

The Ravetti™ STOP/SYSTEM™ equipment is also characterized by some absolutely innovative distinctive elements:

  • Reduced flat valve height, thanks to the new internal pressure equalization system.
  • Lighter valve, thanks to the new heart-shaped design
  • O-ring seals with increased section.
  • Innovative expandable stopper ring with locking device to prevent the stopper from rotating.
  • New gears design with larger modules and diameters.
  • New design of the seal between the stopper spindle and the housing bell.

The STOP/SYSTEM™ equipment PN12 is available in the following models:

  • SS1/2 for DN 2"-4"
  • SS2/3 for DN 5"-6"
  • SS4 for DN 8"
  • SS5 for DN 10"
  • SS4/5 for DN 8"-10"
  • SS6  for DN 12"
  • SS7  for DN 14"
  • SS8  for DN 16"
  • SS9  for DN 18" 
  • SS10 for DN 20"

FIELD OF APPLICATION

EQUIPMENT PS(bar) TS(°C) PIPE MATERIAL
Standard 12 -10/+50 Steel / Cast Iron
District heating 12 -10/+130 Steel / Cast Iron



Ravetti Demo Pipe Blocking Work

Ravetti STOP/SYSTEM™

Maximum safety and reliability
Ravetti STOP/SYSTEM™ minimizes gas leakage and ensures safe operation even under high pressure.
Uninterrupted supply
Ravetti STOP/SYSTEM™ maintains the supply of gas, water, or oil even during maintenance.
Quick Installation
Requires minimal excavation, is easy to install, and reduces operational costs.
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