MARK 1 COUPLING (BUNA-N GASKET) 2 2.375 Steel 20352 1.0 4 1/4 3 3/8 1 19/32 Steel, Zinc Plated 20352P 1.0 Steel, Yellow Chromate 20352CP 1.0 Steel, Galvanized 20352G 1.0 Aluminum 20358.6 2 1/2 2.875 Steel 20355 1.1 4 17/32 3 3/4 1 19/32 Steel, Zinc Plated 20355P 1.1 Steel, Yellow Chromate 20355CP 1.1 Steel, Galvanized 20355G 1.1 Aluminum 20359.7 3 3.500 Steel 20330 1.3 5 5/16 4 1/2 1 19/32 Steel, Zinc Plated 20330P 1.3 Steel, Yellow Chromate 20330CP 1.3 Steel, Galvanized 20330G 1.3 Aluminum 20360.8 4 4.500 Steel 20334 1.8 6 7/16 5 5/8 1 23/32 Steel, Zinc Plated 20334P 1.8 Steel, Yellow Chromate 20334CP 1.8 Steel, Galvanized 20334G 1.8 Aluminum 20361 1.2 6 6.625 Steel 21116 2.75 8 1/2 7 3/4 1 7/8 Steel, Zinc Plated 21116P 2.75 Steel, Yellow Chromate 21116CP 2.75 Steel, Galvanized 21116G 2.75 Aluminum 21132 1.6 BUNA-N GASKETS 2 Buna-N 10137 2 1/2 Buna-N 10403 3 Buna-N 10140 4 Buna-N 10139 6 Buna-N 21115 3. Lightweight, Low Cost. 4. Grooving & Gasket are interchangeable with other makes of couplings have standard dimensions. 5. Buna-N is not recommended for use with fuels such as ethanol, bio-diesel or ULSD. Please see Page 23 For Green gaskets. Copyright 2007 -Catalog version 3.0 Page: 22
MARK 1 COUPLING (GREEN GASKET) 2 2.375 Steel 20352V 1.0 4 1/4 3 3/8 1 19/32 Steel, Zinc Plated 20352PV 1.0 Steel, Yellow Chromate 20352CPV 1.0 Steel, Galvanized 20352GV 1.0 Aluminum 20358V.6 2 1/2 2.875 Steel 20355V 1.1 4 17/32 3 3/4 1 19/32 Steel, Zinc Plated 20355PV 1.1 Steel, Yellow Chromate 20355CPV 1.1 Steel, Galvanized 20355GV 1.1 Aluminum 20359V.7 3 3.500 Steel 20330V 1.3 5 5/16 4 1/2 1 19/32 Steel, Zinc Plated 20330PV 1.3 Steel, Yellow Chromate 20330CPV 1.3 Steel, Galvanized 20330GV 1.3 Aluminum 20360V.8 4 4.500 Steel 20334V 1.8 6 7/16 5 5/8 1 23/32 Steel, Zinc Plated 20334PV 1.8 Steel, Yellow Chromate 20334CPV 1.8 Steel, Galvanized 20334GV 1.8 Aluminum 20361V 1.2 6 6.625 Steel 21116V 2.75 8 1/2 7 3/4 1 7/8 Steel, Zinc Plated 21116PV 2.75 Steel, Yellow Chromate 21116CPV 2.75 Steel, Galvanized 21116GV 2.75 Aluminum 21132V 1.6 2 Dyneon Fluorelastomer 10137V 2 1/2 Dyneon Fluorelastomer 10403V 3 Dyneon Fluorelastomer 10140V 4 Dyneon Fluorelastomer 10139V 6 Dyneon Fluorelastomer 21115V 4. Recommended for use with fuels such as Ethanol, U.L.S.D. and Bio Diesel. Copyright 2007 -Catalog version 3.0 Page: 23
MARK 2 COUPLING (BUNA-N GASKET) 2 2.375 Steel 20865 1.0 4 3/32 3 1/4 1 19/32 Steel, Zinc Plated 20865P 1.0 Steel, Yellow Chromate 20865CP 1.0 Steel, Galvanized 20865G 1.0 2 1/2 2.875 Steel 20864 1.1 4 17/32 3 3/4 1 19/32 Steel, Zinc Plated 20864P 1.1 Steel, Yellow Chromate 20864CP 1.1 Steel, Galvanized 20864G 1.1 3 3.500 Steel 20863 1.3 5 5/16 4 1/2 1 19/32 Steel, Zinc Plated 20863P 1.3 Steel, Yellow Chromate 20863CP 1.3 Steel, Galvanized 20863G 1.3 4 4.500 Steel 20838 1.8 6 7/16 5 5/8 1 23/32 Steel, Zinc Plated 20838P 1.8 Steel, Yellow Chromate 20838CP 1.8 Steel, Galvanized 20838G 1.8 6 6.625 Steel 21134 2.6 8 1/2 7 3/4 1 7/8 Steel, Zinc Plated 21134P 2.6 Steel, Yellow Chromate 21134CP 2.6 Steel, Galvanized 21134G 2.6 2 Buna-N 10137 2 1/2 Buna-N 10403 3 Buna-N 10140 4 Buna-N 10139 6 Buna-N 21115 4. Buna-N is not recommended for use with fuels such as ethanol, bio-diesel or ULSD. Please see Page 25 For Green gaskets. 5. Bolts are an integral part of the Coupling Copyright 2007 -Catalog version 3.0 Page: 24
MARK 2 COUPLING (GREEN GASKET) 2 2.375 Steel 20865V 1.0 4 3/32 3 1/4 1 19/32 Steel, Zinc Plated 20865PV 1.0 Steel, Yellow Chromate 20865CPV 1.0 Steel, Galvanized 20865GV 1.0 2 1/2 2.875 Steel 20864V 1.1 4 17/32 3 3/4 1 19/32 Steel, Zinc Plated 20864PV 1.1 Steel, Yellow Chromate 20864CPV 1.1 Steel, Galvanized 20864GV 1.1 3 3.500 Steel 20863V 1.3 5 5/16 4 1/2 1 19/32 Steel, Zinc Plated 20863PV 1.3 Steel, Yellow Chromate 20863CPV 1.3 Steel, Galvanized 20863GV 1.3 4 4.500 Steel 20838V 1.8 6 7/16 5 5/8 1 23/32 Steel, Zinc Plated 20838PV 1.8 Steel, Yellow Chromate 20838CPV 1.8 Steel, Galvanized 20838GV 1.8 6 6.625 Steel 21134V 2.6 8 1/2 7 3/4 1 7/8 Steel, Zinc Plated 21134PV 2.6 Steel, Yellow Chromate 21134CPV 2.6 Steel, Galvanized 21134GV 2.6 2 Dyneon Fluorelastomer 10137V 2 1/2 Dyneon Fluorelastomer 10403V 3 Dyneon Fluorelastomer 10140V 4 Dyneon Fluorelastomer 10139V 6 Dyneon Fluorelastomer 21115V 4. Recommended for use with fuels such as Ethanol, U.L.S.D. and Bio Diesel. 5. Bolts are an integral part of the Coupling Copyright 2007 -Catalog version 3.0 Page: 25
Dry Bulk Aluminum BC Couplings Groove to Groove 3 Nitrile 20373 1.4 4 4.5 Nitrile 20371 1.9 7 3/4 7 3/4 1 23/32 2 3/8 3 Nitrile 20373S 1.4 4 Nitrile 20371S 1.9 7 3/4 7 3/4 1 23/32 2 3/8 Groove to Plain 4 Nitrile 20372 2.5 4 Nitrile 20372S 2.5 1. Hinge design makes it easier to install. 2. Rugged handle design will not pinch your fingers 3. Lightweight, Low Cost. 4. Fabricated Design provides superior strength Copyright 2007 -Catalog version 3.0 Page: 26