Table Of Contents - Fisher 92S Instruction Manual

Table of Contents

Type 92S Pilot-Operated Steam Regulator1
Specifications2
Flow And Sizing Coefficients2
Description3
Outlet (Control) Pressure Ranges3
Maximum Inlet And Outlet Pressures3
Safety Pilot Outlet (Control) Pressure Ranges3
Self-Powered Control Valve4
Type 92S 2-1/2 Thru 6X4-Inch (Dn 65 Thru 150X100)4
Type 92S Pilot-Operated Steam Regulator Operational Schematics4
Principle Of Operation6
Installation6
Safety Override Pilot Principle Of Operation6
Typical Installations7
Startup And Adjustment10
Safety Override Pilot Startup And Adjustment10
Startup With New Regulator Installation10
Startup With Existing Regulator Installation After Normal Shutdown11
Shutdown11
Maintenance11
Types 6492L, 6492H, 6492Ht, 6492Hm, And 6492Htm Pilots11
Type 92S Main Valve12
Disassembly12
Assembly12
Parts Ordering13
Parts List13
Pilot Assemblies14
Types 6492Hm And 6492Htm Safety Override Pilots16
Types 6492Hm And 6492Htm Safety Pilot Mounting Parts16
Type 92S Main Valve Assemblies17
Pilot Mounting Parts19