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Cast Aluminum Expansion Plugs

aluminum expansion plugs

Aluminium, 1.5" TO 36",    'Light, Tough and Available'

 

COB Advantages:

  • Lightweight, easy to handle - up to 70% lighter than similar steel plugs.
  • Durable cast aluminum - heavy duty, non-corrosive and maintenance-free; with natural rubber.
  • Fill or Vent - threaded pipe stem has removable cap.
  • Simple to install and work with - wing nut easily expands rubber seal.
  • Special sizes are available to increase expansion range.

Note: Expansion plugs are less effective at higher limits of expansion than in the mid range. Let us help you by supplying the proper sizes for your requirements.

ALUMINUM / AP1.5" TO 36"
Item Number Nominal Size Size Unexpanded Size Expanded Stem Diameter Unit Weight (LBS.)
COB.AP01.50 1.50" 1.456" 1.889" 0.50" .50
COB.AP02.00 2.00" 1.889" 2.440" 0.50" .50
COB.AP02.50 2.50" 2.440" 2.775" 0.50" .50
COB.AP03.00 3.00" 2.795" 3.425" 0.50" .75
COB.AP03.50 3.50" 3.503" 3.700" 0.50" 1
COB.AP04.00 4.00" 3.779" 4.133" 0.50" 1
COB.AP04.50 4.50" 4.251" 4.724" 0.50" 1
COB.AP05.00 5.00" 4.842" 5.393" 0.50" 1.5
COB.AP06.00 6.00" 5.900" 6.550" 0.50" 1.5
COB.AP07.00 7.00" 6.550" 7.300" 1.00" 3.2
COB.AP08.00 8.00" 7.700" 8.550" 1.00" 3.4
COB.AP09.00 9.00 8.200" 9.100" 1.00" 3.9
COB.AP10.00 10.00" 9.200" 10.250" 1.00" 4.5
COB.AP11.00 11.00" 10.300" 11.200" 1.00" 4.9
COB.AP12.00 12.00" 11.350" 12.450" 1.00" 6.7
COB.AP14.00 14.00" 13.800" 15.100" 1.00" 11
COB.AP15.00 15.00" 14.350" 15.800" 1.00" 11.3
COB.AP16.00 16.00" 15.600" 17.000" 1.00" 13.8
COB.AP18.00 18.00" 17.450" 19.250" 1.00" 17
COB.AP20.00 20.00" 19.150" 20.650" 2.00" 30
COB.AP21.00 21.00" 20.650" 22.100" 2.00" 22.7 (steel)
COB.AP24.00 24.00" 23.550" 25.500" 2.00" 33
COB.AP27.00 27.00" 26.250" 27.700" 2.00" 44
COB.AP30.00 30.00" 29.250" 31.000" 2.00" 60
COB.AP32.00 33.00" 32.500" 34.800" 2.00" 86
COB.AP36.00 36.00" 34.500" 36.800" 2.00" 96

link to pipe plug index page



 

January 2022, March 2017, November 2009 CSS, Nov 2008, October 2004 ,March 2004

The descriptions, illustrations, specifications, dimensions, and part numbers are subject to change without notice.

servicing the Canadian provinces and territories of Newfoundland, NF, NL, Nova Scotia, NS, New Brunswick, NB, Prince Edward Island, PEI, PE, Quebec, PQ, QC, Ontario, ON, Manitoba, MB, Saskatchewan, SK, Alberta, AB, British Columbia, BC, Northwest Territories, NT, Nunavut, NU, Yukon, YT, servicing Canadian cities, Toronto, Mississauga, Scarborough, Laval , Montreal, Montréal, Vancouver, Ottawa, Gatineau, Calgary, Edmonton, Québec City, Winnipeg, Hamilton, Kitchener, Cambridge, Waterloo, London, St. Catharines , Niagara, Halifax, Oshawa, Victoria, Windsor, Saskatoon, Regina, Sherbrooke, St. John's, Barrie, Kelowna, Abbotsford, Mission, Sudbury Kingston, Saguenay, Trois-Rivieres, Trois Rivieres, Trois-Rivières, Guelph, Moncton, Brantford, Saint John, Thunder Bay, Peterborough, Ajax, Aurora, Brampton, Brock, Burlington, Caledon, Clarington, Durham Region, Oshawa, Pickering, Whitby, Halton Hills, Milton, Oakville, Mississauga, New market, Richmond Hill, Vaughn, Orangeville, servicing US cities, New York, Los Angeles, Chicago, Houston, Philadelphia, Phoenix, San Antonio, San Diego, Dallas, San Jose, Austin, Jacksonville, San Francisco, Indianapolis, Columbus, Fort Worth, Charlotte, Seattle, Denver, El Paso, Detroit, Washington, Boston, Memphis, Nashville, Portland, Oklahoma City, Las Vegas, Baltimore, Louisville, Milwaukee, Albuquerque, Tucson, Fresno, Sacramento, Kansas City, Long Beach, Mesa, Raleigh, Omaha, Miami, Oakland, Minneapolis, Tulsa, Wichita, New Orleans, Arlington, Cleveland, Bakersfield, Tampa, Aurora, Honolulu, Anaheim, Santa Ana, Corpus Christi, Riverside, St. Louis, Lexington, Stockton, Pittsburgh, Saint Paul, Anchorage, Cincinnati, Henderson, Greensboro, Plano, Newark, Toledo, Lincoln, Orlando, Chula Vista, Jersey City, Chandler, Fort Wayne, Buffalo, Durham, St. Petersburg, Irvine, Laredo, Lubbock, Madison, Gilbert, Norfolk, Reno, Winston Salem, Glendale, Hialeah, Garland, Scottsdale, Chesapeake, North Las Vegas, Fremont, Baton Rouge, Richmond, Boise, 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we try to ship to the world largest cities Tokyo,Japan, Seoul, South Korea, Mexico City, Mexico , New York City, USA , Mumbai, India , Jakarta, Indonesia , Sáo Paulo, Brazil, Delhi, India , Osaka/Kobe, Japan , Shanghai, China , Manila, Philippines ,Los Angeles, USA ,Calcutta, India , Moscow, Russian Fed., Cairo, Egypt, Lagos, Nigeria, Buenos Aires, Argentina , London, United Kingdom , Beijing, China , Karachi, Pakistan , Dhaka, Bangladesh , Rio de Janeiro, Brazil ,Tianjin, China , Paris, France , Istanbul, Turkey , Lima, Peru , Tehrãn, Iran, Bangkok, Thailand , Chicago, USA , Bogotá, Colombia , Hyderabad, India , Chennai, India , Essen, Germany , Ho Chi Minh City, Vietnam , Hangzhou, China , Hong Kong, China , Lahore, Pakistan , Shenyang, China , Changchun, China , Bangalore, India , Harbin, China , Chengdu, China , Santiago, Chile ,Guangzhou, China , St. Petersburg, Russian Fed , Kinshasa, DRC , Baghdãd, Iraq , Jinan, China , Houston, USA , Toronto, Canada, Yangon, Myanmar (Burma), Alger, Algeria Philadelphia, USA, Qingdao, China , Milano, Italy , Pusan, South Korea, Belo Horizonte, Brazil, Almadabad, India , Madrid, Spain , San Francisco, USA, Alexandria, Egypt , Washington DC, USA , Wuhan, China , Dallas, USA , Guadalajara, Mexico, Chongging, China , Medellin, Colombia, Detroit, USA , Handan, China , Frankfurt, Germany , Porto Alegre, Brazil , Hanoi, Vietnam , Sydney, Australia, Santo Domingo, Dom. Rep., Singapore, Singapore , Casablanca, Morocco , Katowice, Poland , Pune, India , Bangdung, Indonesia, Monterrey, Mexico ,Montréal, Canada , Nagoya, Japan , Nanjing, China , Abidjan, Côte d'Ivoire, Xi'an, China , Berlin, Germany , Riyadh, Saudi Arabia, Recife, Brazil , Dusseldorf, Germany, Ankara, Turkey , Melbourne, Australia, Salvador, Brazil , Dalian, China , Caracas, Venezuela, Adis Abeba, Ethiopia, Athina, Greece, Cape Town, South Africa, Koln, Germany , Maputo, Mozambique, Napoli, Italy