Emerson Fisher ME00124272, Instruction Manual Supplement

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Fisher
™
Large EH Design Supplement
24X20 Class 1500 Design EHT-2 Control Valve
This supplement provides information for serial numbers ME00124272 and ME00124273
Overview
This special instruction manual is a supplement to the Fisher EHD and EHT Sliding-Stem Control Valves (Large EH)
Instruction Manual (
D100392X012 ). Observe all warnings, cautions, and notes provided in the Large EH instruction
manual. Contact your Emerson sales office or Local Business Partner for more information.
Scope
This special instruction sheet provides maintenance information for NPS 24X20 Class 1500 Design EHT-2 control
valves. This information covers valve serial numbers ME00124272 and ME00124273. For other procedures, refer to
the Fisher EHD and EHT Sliding-Stem Control Valve (Large EH) Instruction Manual (D100392X012).
Table 1. Fisher Large EH Specifications
Specifications
Design Pressure 242 Barg (3510 Psig)
Design Temperature 88
°
C (190
°
F)
End Connections NPS 24 CL1500 RTJ Flange
Shutoff Classification ANSI Class IV
Flow Characteristic Linear - - See figure 3
Flow Direction Flow Down
Port Diameter 18 1/4 in
Valve Plug Travel 10 7/8 in
Valve Yoke Boss 7 in
Maximum Flowing Pressure Drop 103 bar (1500 psi)
Maximum Shutoff Pressure Drop 258 bar (3750 psi)
Estimated Weight of Valve
and Actuator Assembly
11500 kgf (25,500 lbf )
Large EH
August 2018
Instruction Manual Supplement
D104372X012