Data Sheet

YD and YS Valves
D100031X012
Product Bulletin
51.1:YD
June 2014
16
Table 7. Maximum Allowable Fisher YS (Converging Service) Shutoff Pressure Drops with 657 and 667 Actuators
(1)
(continued)
PACKING TYPE ACTUATOR SIZE
NOMINAL (ACTUAL) AIR TO DIAPHRAGM, PSIG
(2)
3-15 (0-18) 6-30 (0-33) 3-40(0-43)
nP, PSID/(Bench Set, PSIG)/Spring Drawing Number
3.4375 Inch Port, Class IV Seat Leakage
Standard
Single or
Double PTFE
40 --- --- --- --- --- ---
5
(8-32)
1E8058
45
13
(6-11)
(3)
1E9215
--- ---
25
(7-25)
1E8265
47
(9-24)
1E8272
70
(11-20)
1E8269
104
(14-29)
1E8272
46
30
(5-13)
1E8266
46
(6-12)
1E8269
---
80
(8-24)
1E8262
114
(10-22)
1E8265
130
(11-21)
1E8261
(667 Only)
147
(12-27)
1E8271
ENVIRO-SEAL PTFE
45
5
(6-11)
(3)
1E9215
--- ---
15
(7-25)
1E8265
37
(9-24)
1E8272
60
(11-20)
1E8269
94
(14-29)
1E8272
46
19
(5-13)
1E8266
36
(6-12)
1E8269
---
70
(8-24)
1E8262
103
(10-22)
1E8265
120
(11-22)
1E8261
(667 Only)
137
(12-27)
1E8271
ENVIRO-SEAL
Graphite ULF
45 --- --- ---
17
(11-20)
1E8269
--- ---
50
(14-29)
1E8272
46 --- --- ---
27
(8-24)
1E8262
60
(10-22)
1E8265
77
(11-21)
1E8261
(667 Only)
94
(12-27)
1E8271
Graphite Ribbon/
Filament (CL300)
45 --- --- ---
8
(7-25)
1E8265
31
(9-24)
1E8272
53
(11-20)
1E8269
87
(14-29)
1E8272
46
13
(5-13)
1E8266
30
(6-12)
1E8269
---
63
(8-24)
1E8262
97
(10-22)
1E8265
114
(11-21)
1E8261
(667 Only)
130
(12-27)
1E8271
4.375 Inch Port, Class IV Seat Leakage
Standard
Single or
Double PTFE
45 --- --- ---
15
(8-24)
1E8266
--- ---
35
(11-31)
1E8272
46
16
(5.5-11.5)
1F1773
--- ---
21
(6-26)
1E8271
36
(7.5-21)
1E8272
--- ---
76
(4)
(667 Only)
--- --- ---
39
(8-24)
1N1284
70
(11-22)
(3)
1N1286
---
112
(15-26)
(3)
1N1286
70
(4)
29
(5-13)
1N1286
--- ---
44
(6-26)
1N7193
88
(9-24)
1N1287
102
(10-22)
1N1284
161
(14-29)
1N1287
ENVIRO-SEAL PTFE
45 --- --- ---
8
(8-24)
1E8266
--- ---
29
(11-31)
1E8272
46
9
(5.5-11.5)
1F1773
--- ---
14
(6-26)
1E8271
30
(7.5-21)
1E8272
--- ---
76
(4)
(667 Only)
--- --- ---
30
(8-24)
1N1284
61
(11-22)
(3)
1N1286
---
102
(15-26)
(3)
1N1286
70
(4)
20
(5-13)
1N1286
--- ---
35
(6-26)
1N7193
79
(9-24)
1N1287
93
(10-22)
1N1284
152
(14-29)
1N1287
ENVIRO-SEAL
Graphite ULF
76
(4)
(667 Only)
--- --- --- --- --- ---
85
(15-26)
(3)
1N1286
-continued-