Data Sheet

A31A Cryogenic Valve
Product Bulletin
21.1:Cryogenic-Rotary
October 2010
13
Table 9. Dimensions, Wafer Style Valve, CL300, NPS 8 through 24
VALVE
SIZE,
NPS
A
(1)
D E F F1 G J K M
(2)
R S
(3)
T U W
mm
8 73 195 89 51 62 173 305 679 186 279 32 235 46.0
See thread
information
below
10 85 246 89 75 75 265 387 724 230 349 38 235 46.0
12 94 292 89 93 99 281 451 851 282 394 44 273 50.8
14 117 321 102 100 97 314 514 914 305 432 44.5 273 50.8
16 133 367 102 117 105 348 572 914 349 489 44.5 273 50.8
18 149 413 152 129 125 379 629 914 391 546 57.2 337 76.2
20 159 468 152 149 146 410 686 914 442 600 69.9 337 76.2
24 181 551 152 176 173 476 813 914 523 711 69.9 337 76.2
Inches
8 2.88 7.69 3.5 2.0 2.44 6.81 12.0 26.75 7.31 11.0 1.25 9.25 1.81
- - -
10 3.36 9.69 3.5 2.94 2.94 10.44 15.25 28.5 9.06 13.75 1.5 9.25 1.81
1-8
12 3.70 11.5 3.5 3.88 3.88 11.06 17.75 33.5 11.09 15.5 1.75 10.75 2.00
1.125-8
14 4.60 12.64 4 3.93 3.82 12.36 20.25 36 12 17 1.75 10.75 2.00
1.125-8
16 5.25 14.45 4 4.60 4.13 13.7 22.50 36 13.75 19.25 1.75 10.75 2.00
1.25-8
18 5.86 16.25 6 5.08 4.92 14.92 24.75 36 15.40 21.5 2.25 13.25 3.00
1.25-8
20 6.25 18.43 6 5.86 5.75 16.14 37 36 17.40 23.62 2.75 13.25 3.00
1.25-8
24 7.13 21.69 6 6.93 16.81 18.75 32 36 20.59 28 2.75 13.25 3.00
1.5-8
1. Face-to-face dimensions are in compliance with MSS SP68 and API 609 specifications.
2. Minimum I.D. is the minimum pipe or flange I.D. required for disc swing clearance.
3. Shaft diameter at key.
M MINIMUM I.D.
REQUIRED
FOR DISC SWING
CLEARANCE
DISC
SHOWN IN
FULL OPEN
POSITION
VALVE BODY
A7246
CLOSED POSITION
MATCH MARKS
E
K
C
F1
F
R DIAMETER
D
PORT
DIAMETER
VENT
CLOCKWISE
TO CLOSE
QUANTITY 4 W DIAMETER
HOLES ON A J DIAMETER CIRCLE
(NPS 10 THROUGH 24 VALVES)
G
16B4212
NPS 8 VALVE ONLY
12B7105-A
O R
O J
G
A
U
O W
T
Figure 12. Dimensions, Wafer Style Valve, CL300, NPS 8 through 24 (also see table 9)