Bubble-Tight shutoff
On pressure or vacuum applications, zero leakage in accordance with MSS SP-88.
Throttling
Ideal for both on/off and modulating applications. Streamline flow path is cavity free for excellent control capabilities.
Streamline Flow / Bidirectional
Smooth contoured body design has no cavities or pockets for smooth flow and contamination-free performance. Hills-McCanna valves can be oriented to facilitate self draining.
Valve Sizing Constants (Cv), Rubber Lined
|
|
Percent of Stem Travel |
Valve Size |
Turns* |
10 |
20 |
30 |
40 |
50 |
60 |
70 |
80 |
90 |
100 |
1 |
4-1/2 |
2.5 |
6 |
9 |
11 |
12.5 |
13 |
13.5 |
14 |
14 |
14 |
1.5 |
5-3/4 |
7.5 |
15 |
21.5 |
26.5 |
31 |
33.5 |
36 |
37.5 |
38.5 |
39 |
2 |
7-1/4 |
13 |
24 |
34 |
43 |
48 |
52 |
54 |
56 |
57 |
57 |
2.5 |
7-1/4 |
21 |
41 |
59 |
75 |
85 |
93 |
98 |
100 |
101 |
101 |
3 |
7-1/2 |
33 |
69 |
108 |
139 |
157 |
164 |
174 |
177 |
179 |
180 |
4 |
10-3/4 |
56 |
119 |
184 |
244 |
285 |
316 |
334 |
343 |
348 |
350 |
6 |
15-3/4 |
165 |
345 |
505 |
620 |
710 |
780 |
830 |
860 |
880 |
890 |
8 |
18 |
190 |
395 |
620 |
850 |
1130 |
1325 |
1450 |
1570 |
1640 |
1670 |
10 |
20-1/4 |
240 |
505 |
805 |
1120 |
1430 |
1700 |
1830 |
1950 |
2010 |
2050 |
12 |
22-3/4 |
360 |
740 |
1160 |
1620 |
2100 |
2480 |
2640 |
2740 |
2780 |
2800 |
|
* Approximate turns to close |
Valve Sizing Constants (Cv), Glass Lined
|
|
Percent of Stem Travel |
Valve Size |
Turns* |
10 |
20 |
30 |
40 |
50 |
60 |
70 |
80 |
90 |
100 |
0.5 |
3 |
0.8 |
1.6 |
2.4 |
3.3 |
4.4 |
5.3 |
6 |
6.6 |
6.9 |
7 |
0.75 |
3-3/4 |
1.5 |
3 |
4.2 |
6.5 |
8.2 |
9.7 |
11 |
12 |
12.8 |
13 |
1 |
4-1/2 |
2.5 |
6 |
9.5 |
13 |
16.5 |
19 |
21.5 |
23 |
24 |
24 |
1.5 |
5-3/4 |
11.5 |
23 |
34 |
44 |
52.5 |
59 |
64 |
67 |
69 |
70 |
2 |
7-1/4 |
20 |
38 |
54 |
55 |
78 |
86 |
93 |
98 |
100 |
101 |
2.5 |
7-1/4 |
29 |
56 |
80 |
101 |
117 |
131 |
141 |
149 |
154 |
156 |
3 |
7-1/2 |
43 |
81 |
130 |
168 |
200 |
226 |
242 |
252 |
259 |
262 |
4 |
10-3/4 |
105 |
200 |
281 |
350 |
400 |
434 |
456 |
473 |
482 |
485 |
6 |
15-3/4 |
225 |
405 |
525 |
710 |
825 |
920 |
995 |
1045 |
1075 |
1090 |
8 |
18 |
285 |
575 |
860 |
1130 |
1380 |
1600 |
1740 |
1840 |
1880 |
1890 |
|
* Approximate turns to close |
Valve Sizing Constants (Cv), Plastic Lined
|
|
Percent of Stem Travel |
Valve Size |
Turns* |
10 |
20 |
30 |
40 |
50 |
60 |
70 |
80 |
90 |
100 |
0.5 |
3 |
0.2 |
0.6 |
1.3 |
2.1 |
2.8 |
3.4 |
3.8 |
4 |
4.1 |
4.1 |
0.75 |
3-3/4 |
1.1 |
2.5 |
3.8 |
5 |
5.9 |
6.4 |
6.7 |
6.9 |
7 |
7 |
1 |
4-1/2 |
2 |
4.5 |
7.5 |
10.5 |
15 |
17.5 |
18 |
19 |
19 |
19.5 |
1.5 |
5-3/4 |
4 |
9.5 |
15.5 |
22 |
27.5 |
33 |
36.5 |
38.5 |
39.5 |
40 |
2 |
7-1/4 |
10 |
20 |
31 |
40 |
47 |
51 |
55 |
58 |
59 |
60 |
2.5 |
7-1/4 |
22 |
39 |
51 |
61 |
69 |
75 |
79 |
82 |
83 |
84 |
3 |
7-1/2 |
27 |
51 |
72 |
90 |
104 |
116 |
126 |
133 |
138 |
140 |
|
* Approximate turns to close |
Weights of Standard Hills-McCanna Diaphragm Valves
Threaded End, Butt Weld End, Socket End (approximate - in pounds) |
Size |
1/2" |
3/4" |
1" |
1-1/2" |
2" |
2-1/2" |
Solid Plastic |
1 |
2 |
2.75 |
6 |
10.5 |
--- |
All Others |
2 |
2.5 |
4 |
9.5 |
15 |
27 |
Flanged End (approximate - in pounds) |
Size |
1/2" |
3/4" |
1" |
1-1/2" |
2" |
2-1/2" |
3" |
4" |
6" |
8" |
10" |
12" |
PVC |
1.5 |
2.25 |
3.5 |
7 |
12.75 |
--- |
--- |
--- |
--- |
--- |
--- |
--- |
All Others |
4 |
5 |
7 |
13 |
22 |
36 |
49 |
97 |
170 |
360 |
600 |
885 |