Buying Guide

AHEAD OF THE FLOW
®
Revised 4/26/2019
NIBCO INC. WORLD HEADQUARTERS • 1516 MIDDLEBURY ST. • ELKHART, IN 46516-4740 • USA • PH: 1.800.234.0227
TECH SERVICES PH: 1.888.446.4226 • FAX: [phone] • INTERNATIONAL OFFICE PH: +1.574.295.3327 • FAX: [phone]
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64
www.nibco.com
PVC Schedule 80
Chemtrol
Fig. No.
4551-H Socket Flange (S), One-Piece (Solid)
Nominal Universal Approx. Dim. Dim.
Size Part No. Lbs./Ea. G N
1/2 851-H05 0.21 0.54 0.20
3/4 851-H07 0.31 0.61 0.17
1 851-H10 0.41 0.68 0.18
1 1/4 851-H12 0.53 0.73 0.20
1 1/2 851-H15 0.68 0.82 0.23
2 851-H20 0.96 0.92 0.27
2 1/2 851-H25 1.61 1.02 0.20
3 851-H30 2.16 1.13 0.29
4 851-H40 2.98 1.24 0.32
6 851-H60 4.44 1.36 0.31
8 851-H80 9.12 1.50 0.35
4551-W-3 Thread Flange (FPT), One-Piece (Webbed Design)
Nominal Universal Approx. Dim. Dim.
Size Part No. Lbs./Ea. G OF
2 852-020 0.78 0.92 1.18
3 852-030 1.26 1.13 1.55
4 852-040 2.03 1.24 1.67
L
L
G
1°
N
O
F
1°
G
G
1°
N
Plugs
Chemtrol
Fig. No.
4516-4 Thread Plug (MPT)
Nominal Universal Approx. Dim.
Size Part No. Lbs./Ea. LL
1/4 850-002 0.01 0.85
1/2 850-005 0.03 1.04
3/4 850-007 0.03 1.10
1 850-010 0.06 1.25
1 1/4 850-012 0.10 1.66
1 1/2 850-015 0.14 1.78
2 850-020 0.19 1.92
2 1/2 850-025 0.29 2.18
3 850-030 0.51 2.42
4 850-040 0.95 2.81
1/4" Plug is solid, only
Class 150 Flanges
For flange dimensions that comply with ASME B16.5, 150 lb., steel flanges,
see page 86.
4551-W Socket Flange (S), One-Piece (Webbed Design)
Nominal Universal Approx. Dim. Dim.
Size Part No. Lbs./Ea. G N
2 851-020 0.79 0.92 0.27
3 851-030 1.52 1.13 0.29
4 851-040 2.25 1.24 0.32
6 851-060 4.24 1.36 0.31
Note: One-piece webbed flanges have oblong bolt holes which permit mating with ASME B16.5,
150 lb.; BS 1560, class 150; ISO 2084, PN10; and DIN EN 1092, PN10 flanges.
Do not use or test the products in this catalog with compressed air or other gasses.