FNW 452A User Manual

Figure 452A

300# Stainless Steel OS&Y Gate Valve

Standard Materials

No. Part Name Material

1 Body
2 Disc
3 Stem ASTM A276-316
4 Nut ASTM A194-8
5 Bolt ASTM A193-B8
6 Body Seal PTFE
7 Bonnet ASTM A351-CF8M
8 Packing PTFE

9 Hinge Pin
10 Eye Bolt
11 Eye Nut ASTM A194-8
12 Gland Flange AISI 304
13 Stem Nut BRASS
14 Handle Wheel ASTM A536 Gr.60-40-18
15 Handle Nut
16 Gland Nut
17 Nipple
18 Socket Set Screws
19 Gland Ring

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

ASTM A351-CF8M

AISI 304

AISI 304

Dimensions (inches) & Weights (lbs)

Size 2 2-1/2 3 4 6 8

d 2.01 2.52 3.15 4.02 5.98 7.99
L 8.50 9.49 11.14 12.01 15.87 16.50
H 12.72 14.57 15.98 19.25 24.76 30.71

W 9.84 9.84 11.81 11.81 15.75 17.72

f 0.08 0.08 0.08 0.08 0.08 0.08
D 6.50 7.48 8.27 10.04 12.60 14.96
G 3.63 4.13 5.00 6.19 8.50 10.63
C 5.00 5.87 6.63 7.87 14.56 13.00
T 0.89 1.02 1.14 1.27 1.46 1.64
N 8.00 8.00 8.00 8.00 12.00 12.00

Flange Dimensions

M 0.75 0.88 0.88 0.88 0.88 0.88

Wt. (lbs.) 46.1 56.0 84.9 142.4 253.5 377.0

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