Data Sheet

A41 Valve
D500212X012
Product Bulletin
21.1:A41
January 2013
6
Table 2. Flow Coefficients
(1)
VALVE SIZE,
NPS
C
v
FORWARD FLOW WITH DISC WIDE OPEN (90 DEGREES ROTATION)
CL150 CL300
2
3
4
6
8
10
12
80.2
286
499
1250
2180
3600
5400
80.2
237
488
1110
2070
3480
5130
1. Refer to Fisher Catalog 12 for a complete listing of flow coefficients.
Table 3. Construction Material Temperature Limits
COMPONENTS AND MATERIALS OF CONSTRUCTION
TEMPERATURE LIMITS
_C _F
Valve Body Material
Carbon Steel
S31600
S31700
-29 to 427
-198 to 538
-198 to 538
-20 to 800
-325 to 1000
-325 to 1000
Disc Material
316
CG8M
-198 to 538
-198 to 538
-325 to 1000
-325 to 1000
Shaft Material
S20910
17-4PH
-198 to 538
-62 to 427
-325 to 1000
-80 to 800
Bearing Material
PEEK / PTFE lined
Metal
-73 to 260
-198 to 538
-100 to 500
-325 to 1000
Packing Material
PTFE V-rings
Graphite rings
-46 to 232
-198 to 438
-50 to 450
-325 to 1000
Seal Ring
PTFE (Standard) -46 to 232 -50 to 450
Reinforced PTFE Soft Seal Ring -46 to 232 -50 to 450
UHMWPE Soft Seal Ring -18 to 93 0 to 200
NOVEX MetalSealRing -46 to 538 -50 to 1000
NPS2MetalSealring -46 to 538 -50 to 1000
Phoenix III MetalSealRing
Fluorocarbon backup ring -40 to 232 -40 to 450
Phoenix III Fire-Te sted
(1)
MetalSealRing
Fluorocarbon backup ring
(Specify metal bearings and graphite packing)
(1) (1)
1. For component selection and applicable fire-tested standards and codes, consult your Emerson Process Management sales office.