Multiport selector valve


OZNA Multiport selector valve (MSV) is a reliable, cost effective and compact device for production management improvement and well optimization. OZNA-MSV allows selecting and diverting of well fluids from an individual well to a metering line. Connecting up to 8 flow lines, the Multiport selector valve allows the combined fluids to flow through a separate group outlet, while simultaneously isolating any single well for testing. OZNA-MSV can also be used for water injection to perform pressure buildup and enhanced oil recovery.

Application and Features

  • More cost-effective and compact than either conventional two-way or three-way valve manifolds
  • Available with a multitude of trims and surface treatments for all operating environments
  • MSV is equipped with strengthened hydraulic drive to enhance reliability, simplify maintenance and reduce costs
  • Operating temperature range: -20°F to +392°F (-29°C to +200°C)
  • Explosion protection class IExdIIАТ3
  • Flow selector position indication is carried out with binary code through 24V power supplied 5-wire circuit. Two-wire communication system modification is available (Modbus)
  • Leak control modification is available


  • Reduced operating costs
  • Reduced parts cost
  • Reduced downtime
  • Reduced labor


  • Suitable for oil and gas (multiphase flow)
  • Up to 8 wells per skid
  • Automated and remote control


  • Initial Purchase/Commissioning
  • Reduced quantity of valves
  • Reduced length of piping and wiring material
  • Reduced automation cost
  • Short start-up and commissioning
  • Reduces footprint and weight


Nominal sizes for various pressure ratings

150 300 600 900
2*4 х х х Х
3*6 х х х х
4*8 х х х х

Model designations as follows: A x B ANSI rating, where A = Well inlet/test outlet internal diameters (inches), B = Group outlet internal diameter (inches) Materials of main parts

Name H2S<2% ASTM H2S<12% ASTM Russian GOST standard
Russian GOST standard
Body A 105 SS316L
UNS S31803/S32205
UNS S32750/S32760
Steel 20, 09G2S Steel 12H18N100,
20UCH, 13HFA
Bonnet A 105 SS316L
UNS S31803/S32205
UNS S32750/S32760
Steel 20, 09G2S Steel 12H18N100,
20UCH, 13HFA
Valve spool A 105 SS316L
UNS S31803/S32205
UNS S32750/S32760
Steel 20, 09G2S Steel 12H18N100,
20UCH, 13HFA
Shaft A-320 Gr L7 A-320 Gr L7
UNS S31803/S32205
UNS S32750/S32760
Steel 40H Steel 40H
Bolting A-320 Gr L7 A-320 Gr L7 Steel 35,
Steel 40H
Steel 35,
Steel 40H
Bearing A-320 Gr L7 A-320 Gr L7 Bronze BrAJ9-4 Crude iron
Pipes A 105 A213 GrT11
A335 GrP11
Steel 20,
Steel 12H18N100,
20UCH, 13HFA
Angle A 105 SS316L
UNS S31803/S32205
UNS S32750/S32760/ S32205
Steel 20 Steel 12H18N100,
20UCH, 13HFA
Flange A 105 SS316L
UNS S31803 / S32205
UNS S32750 / S32760 S32205
Steel 20,
Steel 12H18N100,
20UCH, 13HFA
Sealing PTFE, FEPM PTFE, FEPM Rubber composition 3826 Rubber composition R12,
Flubon, Fluorine plastic
Spring INCONEL X-750 INCONEL X-750 Steel 60S2A INCONEL X-750



Tel.: +7 (495) 952-41-24, ext. 1605 

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