FNW 472 User Manual

Figure 472

300# Stainless Steel Swing Check Valve

Standard Materials

No. Part Name Material

1 Body ASTM A351 Gr. CF8M
2 Plug SS316
3 Sealing Cap Plastic
4 Disc ASTM A351 Gr. CF8M
7 Disc Nut SS316
8 Disc Washer SS316

9 Bonnet ASTM A351 Gr. CF8M
11 Body Seal PTFE
20 Rivet SS304
25 Name Plate SS304
35 Body Bolt ASTM A193 Gr. B8
37 Bonnet Bolt Nut ASTM A194 Gr. 8
48 Hinge Pin SS316

48-1 Splint Pin SS316

63 Hinge ASTM A351 Gr. CF8M

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

E

Dimensions (inches) & Weights (lbs)

Size 2 2-1/2 3 4 6 8 10
Port 1.97 2.56 3.15 3.94 5.91 7.87 9.84

L 10.51 11.50 12.52 14.02 17.48 20.98 24.49
H 5.00 5.51 6.30 6.89 9.06 11.42 12.60

F 0.06 0.06 0.06 0.06 0.06 0.06 0.06

ØG 6.50 7.48 8.27 10.00 12.52 15.00 17.52

ØI 3.62 4.13 5.00 6.18 8.50 10.63 12.76

ØJ 5.00 5.87 6.63 7.87 10.63 12.99 15.26

T 0.88 1.00 1.12 1.25 1.44 1.62 1.88

M 8 8 8 8 12 12 16

Flange Dimensions

ØN 0.75 0.87 0.87 0.87 0.87 0.98 1.14

Wt. (lbs)

49 55 67 99 172 276 375

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