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Home | Regulators | S203 Series Relief Monitor Regulators

S203 Series Relief Monitor Regulators

S203 Series Relief Monitor Regulators The S203 Series relief monitor regulators allow single-unit overpressure protection. The S203 Series relief monitor regulators also minimize the venting of large volumes of gas to the atmosphere.

  • Type S203: Spring-loaded regulator with open throat construction that gives internal registration of downstream pressure. Outlet pressure is from 2 to 30-inches w.c. (5 to 75 mbar) in five ranges.
  • Type S203H: Same as Type S203 but with outlet pressures from 1 to 3.25 psig (69 to 224 mbar) in two ranges.
  • Type S203P-1: Spring loaded regulator with blocked throat and blocked pitot tube construction for use with a downstream control line.
  • Type S203P-2: Same as Type S203P-1 but with stem seal O'ring for positive seal.
  • Type S203P-3: Same as Type S203P-1 but with stem seal O-ring and wiper for dirty gas applications.
Features
  • Outlet Pressures
  • Fixed Factor Billing/Perfluoroelastomer (PFM) Applications
  • Internal Relief Valve
  • Application Flexibility
  • Integral Slam-Shut Device
  • Easy Inspection
  • True Monitor
  • Orifice
  • Retrofittable
Body Sizes and End Connections
1-1/2, 1-1/2 x 2 or 2-inch (DN 40, 40 x 50, or 50) body with NPT connections

Maximum Inlet Pressure
125 psig (8,6 bar)

Maximum Outlet Pressure
15 psig (1,0 bar)

Pressure Registration
  • Types S203 and S203H: Internal
  • Type S203P: Downstream control line
Temperature Capabilities
-20° to 170°F (-29° to 77°C)

Approximate Shipping Weight
27 lbs (12,2 kg)


For general enquires contact us at (+64) 9 634 1391 or by email at sales@customcontrols.co.nz

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