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½”
¾”
1”
1-1/4”
1-1/2”
2”
2-1/2”
3”
4”
5”
6”
8”
10”
12’
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Handwheel Operated
5- nonindicational
6-indicational
29- closed travel stop
32- extended stem
49- white enamelled w/closed travel stop
97- sealed bonnet
Sliding Stem
126- for yoke mounted
actuators
Relief Valves
4- sizes ½” – 2”
8- sizes 2-1/2” – 6”
Air Operated
Air Open, Air Close
4- Century Actuator (8”
& above)
8- Century Actuator (1/2”
– 6”)
150- diaphragm actuated
180- with telltale travel
stop
260- with limit stop
Air Open Spring Close
4- Century Actuator (8”
& above)
8- Century Actuator (1/2”
– 6”)
190- diaphragm actuated
160-with telltale travel
stop
240- with limited stop
Air Close, Spring Open
4- Century Actuator (8”
& above)
8- Century Actuator (1/2”
– 6”)
140- Diaphragm Actuated
170- with Telltale travel
stop
250- with limited stop
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01 Cast Iron (8” 10” & 12”)
06 Ductile Iron
08 SS316
09 Alloy 20
10 Polyvinyl Chloride-Normal Impact
20 Polypropylene-Solid
21 Carbon Steel
54 Kynar-Solid
55 Ductile Iron- Kynar Lined
57 SS316L
72 Dutile Iron- Polypropylene Lined
85 Ductile Iron- Glass Lined
91 Ductile Iron – Tefzel Lined
94 Ductile Iron- Soft Rubber Lined
95 Ductile Iron Hard Rubber Lined
96 Dutile Iron – Neoprene Lined
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1 Flanged 8, 10 &12; all sizes PVC & Bronze
2 Threaded
3 Socketed Weld
4 Butt Weld
6 Flanged (thru 6”) except PVC & Bronze
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38 Ethylene Propylene
74 White Ethylene Propylene
N-1 Neoprene
N-7 White Neoprene
R-5 Natural Rubber
V-1 Viton
0-4 TFE Faced “38” Backing
This is basic Figure Number Code System Only. Not
all combinations available
Indicate tubing gauge or pipe schedule.
When valves are equipped with plastic diaphragms,
the figure number changes, indicating a change of bonnet components.
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