Instruction Manual

Instruction Manual
D101643X012
ENVIRO-SEAL System - Rotary Valves
November 2011
19
The existing couplers, listed below, can accommodate a retrofit with an ENVIRO-SEAL packing system. Coupler
replacement is not required when retrofitting the valve/actuator combinations listed below. For information about
couplers for the A11 CL600 valves, contact your Emerson Process Management sales office.
Table 11. Coupler Part Number for Fisher A31A or A31D Valves with Selected Actuators
SHAFT DIAMETER,
mm (INCH)
Valve Size Actuator Type
Coupler
Part No.
14.3 (9/16)
NPS 3 CL150/300
NPS 3 CL150/300
NPS 3 CL150/300
NPS 3 CL150/300
Bettis CB 315
Bettis CB 415
Bettis CB 420
Bettis CB 520
V160124X012
V160125X012
V151828X012
V154549X012
17.5 (11/16)
NPS 4 CL150/300
NPS 4 CL150/300
NPS 4 CL150/300
NPS 4 CL150/300
Bettis CB 315
Bettis CB 415
Bettis CB 420
Bettis CB 520
V160108X012
V160107X012
V151731X012
V154600X012
28.5 (1-1/8)
NPS 10 CL150
NPS 10 CL150
Bettis CB 420
Bettis CB 520
V160209X012
V160212X012
31.8 (1-1/4)
NPS 8 CL300, NPS 12 CL150
NPS 8 CL300, NPS 12 CL150
Bettis CB 420
Bettis CB 520
V160208X012
V160213X012