Data Sheet
A41 Valve
D500212X012
Product Bulletin
21.1:A41
January 2013
3
Specifications (continued)
Mating Flange Capabilities
All sizes compatible with appropriate CL150 or 300,
and NPS 2 also compatible with CL600, flanges
(schedule 8 0 or lighter, see figure 6, dimension M)
Shaft Diameters
Seefigure6
Approximate Weights
See table 1
ENVIRO-SEAL Packing
This optional PTFE or graphite packing system
provides improved sealing, guiding, and transmission
of loading force to control liquid and gas emissions
(see figure 5). See Bulletin 59.3:041 ENVIRO-SEAL
Packing Systems for Rotary Valves for more
information
1. The pressure/temperature limits in this bulletin and any applicable standard or code limitation for valve should not be exceeded.
2. Optional Class V shutoff is available by contacting your Emerson Process Management sales office.
3. For component selection and applicable fire-tested standards and codes, consult your Emerson Process Management sales office (see table 2).
4. UHMWPE stands for ultra high molecular weight polyethylene.
Table 1. Valve Weights
VALVE SIZE, NPS
WAFER STYLE SINGLE-FLANGE
CL150 CL300 CL150 CL300
Kilograms
2 4 4 --- ---
3 5 6 6 11
4 9 10 11 18
6 13 15 16 27
8 21 24 27 42
10 34 44 40 78
12 49 64 62 131
Pounds
2
(1)
9.5 9.5 --- ---
3 10 13 14 25
4 19 23 24 39
6 29 33 35 59
8 47 53 59 93
10 75 96 88 172
12 107 141 137 288
1. Weight of the CL600 NPS 2 valve is the same as the CL150 and CL300 values.










