GC300 Labyrinth Cage Guided Globe Valve
AC300 Labyrinth Cage Guided Angle Valve
Labyrinth cage valve of series GC300 and AC300 of SCORE is the most effective and reliable control valve under high temperature, high pressure drop and other severe service. The specially designed flow path forces fluid through a tortuous path of right-angle turns, constantly changes its directions and impacts on the path, to control the pressure and kinetic energy letdown and limit the fluid velocity effectively. This kind of valve may effectively prevent cavitation for uncompressed fluid and may effectively reduce the noise of compressed fluid. Labyrinth valve may effectively prevent flushing and vibration of the valve trim.

Compared with “mixed path” design, “independent path” design may obtain more accurate mathematical model. SCORE holds complete mathematical model of labyrinth valve design and calculation, which enables SCORE to provide the most suitable solutions for customers based on severe service.

  GC300 Labyrinth Cage with Large Path  


Body Styles GC300: Globe Valve AC300: Angle Valve
Body Size 1”~24” 1”~18” 1”~16”
Body Rating ANSI 150#~600 ANSI 900#~1500# ANSI 2500#
Connections Flanges, Butt Weld, Socket Weld, Integral Flanges, etc…
Fluid Temperature -196~+565℃
Body Material WCB/A105,WC6/F11,WC9/F22,LCB/LF2,CF8/F304,CF8M/F316,CF3/F304L,
Trim Material A182-F6a,A182-F316,A564-630,F11/Stellite,Duplex,Monel,Hastelloy,Inconel,Titanium,etc…
Flow Characteristics Linear, Modified Linear, Modified EQ%
Rangeability 20:1~50:1
Seat Leakage Metal Seat ANSI ClassⅣ,Ⅴor MSS-SP-61
Soft Seat ANSI Class Ⅵ
Actuator Combination

  D100LA: Multi-spring Pneumatic Diaphragm Actuator

  P100LA: Pneumatic Piston Cylinder Actuator 

Labyrinth Cage Disc of Labyrinth Cage after EDM

Profile Through Valve for Inadequate Velocity Control(Liquid)

Profile Through Valve for Labyrinth Cage Trim


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GC200 Multi-hole Cage Guided Globe Valve

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AC400 Multi-step Plug Cage Guided Angle Valve
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