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SPECIFICATIONS
VALVE BODY
Service: Compatible liquids, gases, and steam.
Line Size: 2" to 12".
Body Style: 2-way, wafer or lug butterfly.
End Connections: Flange, to be used with flanges that are
ANSI Class 125 (B16.1) and ANSI Class 150 (B16.5) dimensions.
Pressure Limit: 225 psi (15.5 bar) WOG.
Wetted Materials: Body: Ductile iron; Disc: 316
SS; Seat and O-ring: EPDM or PTFE; Stem: 410 SS.
Temperature Limits: EPDM Disc: -50 to 250°F (-46 to
121°C); PTFE Disc: 0 to 300°F (-18 to 149°C).
Bearings: Nylatron.
Flow Rate: See Cv chart below
Opeator: 2 to 6": 10-position locking hand lever; 8 to 12": manual
gear.
Cv VALUES
|
DEGREE OPENING |
FULL OPEN |
Size |
10° |
20° |
30° |
40° |
50° |
60° |
70° |
80° |
90° |
2" |
0.1 |
5 |
12 |
24 |
45 |
64 |
90 |
125 |
135 |
2-1/2" |
0.2 |
8 |
20 |
37 |
65 |
98 |
144 |
204 |
220 |
3" |
0.3 |
12 |
22 |
39 |
70 |
116 |
183 |
275 |
302 |
4" |
0.5 |
17 |
36 |
78 |
139 |
230 |
364 |
546 |
600 |
5" |
0.8 |
29 |
61 |
133 |
237 |
392 |
620 |
930 |
1022 |
6" |
2 |
45 |
95 |
205 |
366 |
605 |
958 |
1437 |
1579 |
8" |
3 |
89 |
188 |
408 |
727 |
1202 |
1903 |
2854 |
3136 |
10" |
4 |
151 |
320 |
694 |
1237 |
2047 |
3240 |
4859 |
5340 |
12" |
5 |
234 |
495 |
1072 |
1911 |
3162 |
5005 |
7505 |
8250 |
Cv is the number of U.S. GPM of 60°F water that will
pass through the valve with a 1 psi pressure drop.
OPERATING TORQUE
VALUE (INCH LB)
EPDM Seats |
Size (inches) |
Service Pressure |
2 |
2-1/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
50 psi |
86 |
126 |
179 |
295 |
540 |
750 |
1440 |
2466 |
3510 |
100 psi |
108 |
144 |
195 |
310 |
610 |
780 |
1490 |
2910 |
4100 |
150 psi |
126 |
150 |
210 |
335 |
699 |
847 |
1549 |
3360 |
5560 |
200 psi |
150 |
198 |
297 |
400 |
725 |
940 |
1800 |
3890 |
7558 |
PTFE Seats
|
Size
(inches)
|
Service Pressure
|
2
|
2-1/2
|
3
|
4
|
5
|
6
|
8
|
10
|
12
|
50 psi
|
125
|
130
|
195
|
390
|
650
|
890
|
1690
|
3699
|
5265
|
100 psi
|
130
|
145
|
210
|
430
|
690
|
940
|
1710
|
4365
|
6150
|
150 psi
|
142
|
160
|
248
|
443
|
720
|
974
|
1770
|
5040
|
8340
|
200 psi
|
180
|
220
|
340
|
490
|
795
|
1020
|
1890
|
5835
|
11367
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