Data Sheet

Rotary Valve Selection Guide
D102550X012
Product Bulletin
40:002
January 2013
2
Fisher Control-Disk Valve
Figure 1. Fisher Control-Disk Valve
Control-Disk VALVE
W9421
Control-Disk Valve
Applications
Expanded control, lower process variability applications
Style
Wafer and single flange
Sizes
NPS2,3,4,6,8,10,12
Ratings
PN 10 to 40
CL150 and CL300
End Connections
Raised-face (RF)
Valve B ody Materials
EN: 1.0619 steel, 1.4409 stainless steel, CW2M, or M35-1
ASME: SA216 WCC steel, SA351 CF3M stainless steel, CW2M, or M35-1
Disk Material
SA351 CF3M stainless steel
Seal Types (Material)
Soft (PTFE or UHMWPE) or metal (S31600)
Flow Characteristics and Maximum Flow Coefficients
Equal percentage
Maximum Cv from 60.7 to 4530
Rangeability (Flow Coefficient Ratio)
100 to 1
Shutoff Class
Soft Seal: Bubble-tight
Metal Seal: 1% of Class IV
Available Actuators (refer to page 11)
Fisher 2052, 1051, 1052, and 1061