Data Sheet

A31A Cryogenic Valve
Product Bulletin
21.1:Cryogenic-Rotary
October 2010
7
Table 3. Dimensions, Wafer Style Valves, CL150, NPS 3 through 8
VALVE
SIZE,
NPS
A D E F F1 G J K M
(2)
R
(1)
S T U V
FLAT
LENGTH
FLAT
SIZE
mm
3 48 87 83 10 19 79 146 375 71 133 16 152 32 117 25 11
4 54 113 83 22 25 95 178 451 94 171 19 152 32 117 25 14
6 57 165 83 41 51 127 248 489 148 219 25 152 32 117 25 17
8 64 210 83 65 68 152
- - -
679 197 273 25 152 32 117 25 17
Inches
3 1.88 3.44 3.25 0.38 0.75 3.13 5.75 14.75 2.82 5.25 0.625 6.0 1.25 4.63 1.0 0.436
4 2.13 4.44 3.25 0.88 1.0 3.75 7.0 17.75 3.69 6.75 0.75 6.0 1.25 4.63 1.0 0.561
6 2.25 6.50 3.25 1.63 2.0 5.0 9.75 19.25 5.82 8.63 1 6.0 1.25 4.63 1.0 0.687
8 2.50 8.25 3.25 2.57 2.69 6.0
- - -
26.75 7.75 10.75 1 6.0 1.25 4.63 1.0 0.687
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.
16B4210
mm (INCHES)
CLOSED POSITION
MATCH MARKS
CLOCKWISE TO CLOSE
TYPICAL VALVE MOUNTING
FLAT
LENGTH
FLAT SIZE
VENT
(SUPPLIED
PER
REQUEST)
DISC
SHOWN IN
FULL OPEN
POSITION
M MIN I.D. REQUIRED
FOR DISC SWING
CLEARANCE
D
PORT
DIAMETER
F
F1
FLOW
VALVE BODY
T
U
V
A
6 HOLES
O 0.56
THROUGH
O S
O J
O R
K
E
G
102 [4.00]
Figure 6. Dimensions, Wafer Style Valves, CL150, NPS 3 through 8 (also see table 3)