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Shanghai jingtai industrial (group) co., LTD
Shanghai jingtai industrial (group) co., LTD

Application of Coal Chemical Products

Application of Coal Chemical Products

Masoneilan Oxygen control valves

 

The selection of oxygen control valves

  • single seat plunger valve or cage valve with good circulation effect.
  • Materials for packing and gasket are heat-resisting after degreasing and anti-stripping treatment.
  • The seal grade is 0.01%Cv. Max 0.01%Cv. MaxDifferent Pressure. ,higher than ANSI Class IV, with clean nitrogen to perform the sealing inspection.

 

Flow chart of oxygen pipeline in Texaco gasifier process

FV-07 Oxygen branch flow control valve
XV-03 on/off valve for oxygen upstream pipeline of gasifier
XV-04 on/off valve for oxygen downstream pipeline of gasifier
XV-05 vent valve for oxygen-blown gasifier
There are 3 series No. for automatic control valve related to oxygen line:
XV-06 High pressure nitrogen sealed on/off valve
XV-20 High pressure nitrogen purge on/off valve
XV-07 Medium pressure steam purge on/off valve
 

 

Masoneilan standard specification of oxygen control valve

21000 series
 
  • body:316,Monel,Inconel.
  • stem:Inconel-750
  • stem guide: Stellite
  • trim:Inconel625+Stellite
  • packing:PTFE with degrease and anti-stripping treatment.
  • gasket:PTFE + Inconel

 

Masoneilan diagram of bellows of oxygen control valve

21000 series
 
  • body:316,Monel,Inconel.
  • stem:Inconel-750
  • bellow:Inconel
  • stem guide: Stellite
  • trim:Inconel625+Stellite
  • packing:PTFE with degrease and anti-stripping treatment
  • gasket:PTFE + Inconel

 

 

Masoneilan before-delivery management of Masoneilan oxygen valves

  • After assembly, the valve flanges must be sealed with polyethylene bags for transportation or work to prevent grease or dust contamination.
  • Test: the fixtures and tools used must be degreased prior to any FAT.During the pressure test and leakage test, compressed nitrogen or clean compressed air must be used. Before performing the test, the test device must be effectively cleaned. Never test with water.
  • Transport: valve surface shall be cleaned again with a cloth dipped in degreasing solvent after all work is done. The internal and external surfaces of the valve shall be free of any grease or adhesion after cleaning.

 

Masoneilan pictures at site

 

 

 

Masoneilan selection of outlet pressure control valve of washing tower

 

 

Masoneilan outlet pressure control valve of washing tower

41000 series
 
  • size:12,14,or16inch
  • body:WCCorWC6
  • trim:SS
  • class:600or900
  • characteristics:Large pressure differential between inlet and outlet, medium is gas containing solid particles
  • trim:High flow capacity, primary noise reduction cage type (noise reduction hole diameter not less than 6mm)
  • The valve vibration is large, it is recommended to use split valve positioner

 

 

Masoneilan 73000 Series Sweep Angle Valve

 

Masoneilan assembly pictures at facility of 73000 series

 

 

 

Masoneilan 73000 Series Sweep Angle Valve

  • Valve characteristics: sweep angle valve, small inlet, large outlet, body streamline, installed on tank directly with large outlet flange.
  • body: SS, duplex SS.
  • Trim: Solid tungsten carbide
  • seat: Embedded solid tungsten carbide
  • venturi reaming material:Stellite
  • process features:Medium is gas containing solid particles.

 

Masoneilan 73000 Series Sweep Angle Valve

  • Structural features: The seat of masonilan rises to the interior of the body, but does not extend to the transition section. Cavitation and flash of black water media mainly occur in the interior of the valve seat inside the body. Theseat extends directly into the big flange integrated with the valve body, which is completely protected by the valve seat.Masonilan's integrated large flange connects directly to the user's pipe flange.

 

Masoneilan reference in Texaco gasification process

 

reference 1

 

 

reference 2