Buying Guide

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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66
www.nibco.com
AHEAD OF THE FLOW
®
Revised 4/26/2019
PVC Schedule 80
A A
A
A
A
B
B
1
L
A
4
2
3
S
Chemtrol
Fig. No.
NR 51 Flange Gaskets, for Class 150 Flanges
Note: These gaskets are 1/8" thick, full face CR,
70 durometer.
Nominal Part Approx.
Size No. Lbs./Ea.
1/2 0.11
3/4 0.12
1 0.13
1 1/4 0.14
1 1/2 0.15
2 Use 0.20
2 1/2 Figure No. 0.25
3 & Nom. Size 0.28
4 0.30
6 0.40
8 0.50
10 0.55
12 0.60
Flanged Fittings*– Fabricated from Molded Components
Fig. No. 4511-12 Fig. No. 4507-12 Fig. No. 4506-12
Flanged Tee Flanged 90° ELL Flanged 45° ELL
Nominal Approx. Dim. Approx. Dim. Approx. Dim.
Size Lbs./Ea. A Lbs./Ea. A Lbs./Ea. B
1 1.71 3 3/32 1.19 3 3/32 1.12 2 23/32
1 1/4 2.39 3 19/32 1.60 3 19/32 1.60 3 3/32
1 1/2 3.24 3 31/32 2.06 3 31/32 2.09 3 13/32
2 4.86 4 15/32 3.28 4 15/32 3.16 3 27/32
2 1/2 7.82 5 7/32 5.30 5 7/32 5.08 4 13/32
3 10.67 5 13/32 7.32 5 13/32 6.92 4 25/32
4 16.64 7 3/32 11.60 7 3/32 10.79 5 25/32
6 32.74 9 25/32 22.65 9 25/32 20.84 8 1/2
8 65.79 13 31/32 45.40 13 31/32 42.50 11 5/8
*Flanged fittings are produced by solvent cementing socket flanges to socket fittings with short
plain end pipe nipples.
Unions
4533 FKM / 4533E (EPDM) Socket Union (S x S)
Nominal FKM EPDM Approx. Dim. Dim. Dim.
Size Part No. Part No. Lbs./Ea. A L S*
1/4 857-002 897-002 0.07 1.70 0.40 0.64
1/2 857-005 897-005 0.16 2.00 0.43 0.89
3/4 857-007 897-007 0.27 2.44 0.45 1.01
1 857-010 897-010 0.40 2.83 0.43 1.14
1 1/4 857-012 897-012 0.87 4.08 0.79 1.26
1 1/2 857-015 897-015 0.93 4.08 0.80 1.39
2 857-020 897-020 1.83 5.26 0.80 1.51
3 857-030 897-030 3.76 7.17 0.90 1.90
The 2 1/2" Socket Union is available as a fabrication from the 3" size Bushed down.
* Socket Depth
Chemtrol
Fig. No.
Van Stone Flange Assembly List
Item Description Material
1 Connector Hub PVC
2 Flange Ring PVC Coated Aluminum
3 Flange Ring PVC
Do not use or test the products in this catalog with compressed air or other gasses.