Figure 472A
300# Stainless Steel Swing Check Valve
Standard Materials
No. Part Name Material
1 Body
2 Bonnet
3 Disc
4 Hinge
5 Flat Washer
6 Nut
7 Body Seal PTFE
8 Nut ASTM A194-8
9 Stud ASTM A193-B8
10 Pin
Socket Hexagon
11
NOTES:
CF8M Seat is Integral to Body
Investment Cast Body up to 8”
Design per API 603
Pressure/Temperature Rating per ANSI B16.34
Flange Dimensions per ANSI B16.5
Face to Face Dimensions per ANSI B16.10
Pressure Tested per API 598
Screw
ASTM A351-CF8M
AISI 316
AISI 316
Dimensions (inches) & Weights (lbs)
Size 2 3 4 6
d 1.97 3.15 3.94 5.91
L 10.51 12.52 14.02 17.48
H 5.08 6.46 6.97 9.09
f 0.08 0.08 0.08 0.08
D 6.50 8.27 10.04 12.60
G 3.63 5.00 6.19 8.50
C 5.00 6.63 7.87 10.63
T 0.81 1.06 1.19 1.38
N 8.00 8.00 8.00 12.00
Flange Dimensions
M 0.75 0.88 0.88 0.88
Wt. (lbs.) 31.5 55.8 101.4 177.9
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