Data Sheet
YD and YS Valves
D100031X012
Product Bulletin
51.1:YD
June 2014
21
Table 9. Fisher YD and YS Dimensions
VALVE
MATERIAL
AND SIZE,
NPS
DIMENSION
A D
Valve Rating and End Connection S tyle
(1)
Standard Bonnet
Extension Bonnet
CAST
IRON
(2)
Screwed
CL125
FF
---
CL250
RF
--- --- ---
Style 1 Style 2
Stem Diameter,
mm (Inches)
Stem Diameter,
mm (Inches)
Stem Diameter,
mm (Inches)
STEEL
&SST
Screwed
&SWE
CL150
RF
CL150
RTJ
CL300
RF
CL300
RTJ
CL600
RF &
BWE
CL600
RTJ
9.5
(3/8)
12.7
(1/2)
19.1
(3/4)
25.4
(1)
9.5
(3/8)
12.7
(1/2)
19.1
(3/4)
25.4
(1)
9.5
(3/8)
12.7
(1/2)
19.1
(3/4)
mm
1/2, 3/4
(2)
1
(2)
1-1/2
2
209.6
209.6
251.0
285.8
---
184.2
222.3
254.0
---
196.9
235.0
266.7
---
196.9
235.0
266.7
---
209.6
247.7
282.4
---
209.6
251.0
285.8
---
209.6
251.0
289.1
127.0
127.0
127.0
---
149.4
149.4
149.4
171.5
---
---
---
168.1
---
---
---
---
212.9
212.9
212.9
---
251.0
251.0
251.0
273.1
---
---
---
277.9
---
---
---
---
303.3
303.3
303.3
---
319.0
319.0
319.0
471.1
---
---
---
468.4
2-1/2
3
4
6
8
(3)
---
---
---
---
---
276.4
298.5
352.6
450.9
543.1
289.1
311.1
365.3
463.6
555.8
292.1
317.5
368.3
472.9
568.5
307.8
333.2
384.0
489.0
584.2
311.2
336.6
393.7
508.0
609.6
314.5
339.9
396.7
511.0
612.9
---
---
---
---
---
171.5
195.3
228.6
---
---
168.1
192.0
225.6
242.8
323.9
---
---
---
287.3
---
---
---
---
---
---
273.1
296.9
330.2
---
---
277.9
301.8
335.0
349.3
---
---
---
---
419.1
---
---
---
---
---
---
471.1
500.1
533.4
---
---
468.4
505.0
525.5
534.9
---
Inches
1/2, 3/4
(2)
1
(2)
1-1/2
2
8.25
8.25
9.88
11.25
---
7.25
8.75
10.00
---
7.75
9.25
10.50
---
7.75
9.25
10.50
---
8.25
9.75
11.12
---
8.25
9.88
11.25
---
8.25
9.88
11.38
5.00
5.00
5.00
---
5.88
5.88
5.88
6.75
---
---
---
6.62
---
---
---
---
8.38
8.38
8.38
---
9.88
9.88
9.88
10.75
---
---
---
10.94
---
---
---
---
11.94
11.94
11.94
---
12.56
12.56
12.56
18.56
---
---
---
18.44
2-1/2
3
4
6
8
(3)
---
---
---
---
---
10.88
11.75
13.88
17.75
21.38
11.38
12.25
14.38
18.25
21.88
11.50
12.50
14.50
18.62
22.38
12.12
13.12
15.12
19.25
23.00
12.25
13.25
15.50
20.00
24.00
12.38
13.38
15.62
20.12
24.13
---
---
---
---
---
6.75
7.69
9.00
---
---
6.62
7.56
8.88
9.56
12.75
---
---
---
11.31
---
---
---
---
---
---
10.75
11.69
13.00
---
---
10.94
11.88
13.19
13.75
---
---
---
---
16.50
---
---
---
---
---
---
18.56
19.69
21.00
---
---
18.44
19.88
20.69
21.06
---
1. Abbreviations are: BWE, butt w eld ends; FF, flat-face flanges; RF, raised-face flanges; RTJ, ring-type joint flanges; SWE, socket weld ends.
2. NPS 1/2, 3/4, and 1 are not available in cast iron material.
3. The NPS 8 high temperature valve is not available in a BWE construction.
Table 1 0. Additional Dimensions for Fis her YD and YS High Temperature Valves
VALVE
MATERIAL
AND SIZE,
NPS
DIMENSION
C
Valve Rating and End Connection Style
(1)
STEEL
&SST
Screwed
&SWE
CL150
RF
CL150
RTJ
CL300
RF
CL300
RTJ
CL600
RF &
BWE
CL600
RTJ
mm
8
(3)
--- 384.6 390.9 397.0 404.9 457.2 458.7
Inches
8
(3)
--- 15.14 15.39 15.63 15.94 18.00 18.06