| Temperature: | -100c-560c |
|---|---|
| Certification: | GS, CE, ISO9001 |
| Media: | Gas, Oil, Water, Acid |
| Standard: | Standard |
| Connection Mode: | Flange Ends , Bw Ends |
| Power: | Pneumatic Diaphragm Actuator, Pneumatic Piston Act |
| Customization: |
|---|
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| PRODUCT NAME | Unbalance Labyrinth control valve |
| BRAND | HUIZHENG |
| OROGIN | CHINA |
| PACKING | PLYWOOD CASE |
| CLASS/RATING | 150#---2500# PN16-PN420 |
| SIZE | 1-1/2"-10" DN40 - DN250 |
| MATERIALS | Body Material : Carbon steel, HT200,etc |
| ENDS | Flange ends , BW ends |
| OPERATION | Pneumatic diaphragm actuator, Pneumaticpiston actuator,Electric actuator etc. |
Unbalance labyrinth control valve description
uses a labyrinth cage combined with a pressure-balanced spool design. It is composed of a plurality of cylindrical discs (layers) with labyrinth mazes distributed on the same surface, Different mazes are designed based on different media processing parameters.Diameter and laminated layer array synthesis cage, the cage divides the total flow path into many small and twisted or even stepped throttle paths, forcing the fluid to continuously change the flow direction and flow area and gradually reduce the fluid pressure to achieve Prevent the occurrence of flash evaporation and cavitation and prolong the service life of the valve trim. This type of internal structure is suitable for all kinds of process fluids that are prone to generate cavitation by blocking flow
Features of unbalance labyrinth control valve
Valve trim features:Sleeve-guided, labyrinth butterfly valve cage Balanced trim(optional unbalanced trims
Ordinary two-seater or single seat structure with balanced seal ring
Body type: straight-through, angled, Z-shaped
Upper bonnet type: Normal temperature type,
high temperature heat dissipation type,
low temperature extension type
Temperature range: -100C-560C
Stem Seal Type: Ordinary standard packing seal,
high temperature packing seal. bellows seal
Standard leak class: CLASS Ill (standard. metal seat)
Flow characteristics: equal percentage. straight line
Connection with pipelines: flange. butt welded
Adjustable ratio: 50:1
Applicable standards of unbalance labyrinth control valve
Sizes: 1-1/2" - 10" ,DN 40 - DN 250
Pressure Rating: Class150 - Class 2500 or PN 16 - PN 420
Material of valve body: WCB, WC6,WC9,CF8, CF8M, LCB,A105,F304,F316, etc
Operated by: Lever, Gear, Electric,Pneumatic and hydraulic actuator
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