extra heavy


Also found in: Acronyms.

extra heavy

Said of a piping (usually cast iron) that is thicker than standard.
References in periodicals archive ?
If you happen to be one of those who think extra heavy bullets are cool--they're not!
"The agreement made provision for DANTRAN to award a certificate in transportation of dangerous goods and substance to transport operators including heavy and extra heavy duty drivers," Nghiitwikwa said.
Landscaping began in December last year with site clearance, top-soiling and the planting of over 500 metres of native mixed hedge, 5000 ornamental shrubs and 60 extra heavy standard trees.
Now operating as JVs, these convert the extra heavy crude and bitumen from about 9[degrees] API to lighter, sweeter syncrude.
The inserts are offered in a variety of styles, including thinwall, heavy duty, extra heavy duty, plus solid inserts in both stainless steel and carbon steel materials.
Standard styles include heavy and extra heavy duty, thin wall and solid models, and can be supplied in NAS and MS versions or to special order.
Used in combination with the company's wooden endboards, H-channels, and clips, these rugged sleeve plugs safely suspend and protect extra heavy rolls.
The XP also features a 2.75 inch thick plug top held in place by two 30,000 PSI extra heavy duty retaining rings designed to withstand shock loads four times the maximum working pressure.
said Tuesday it has developed a new technology to liquefy quasi-solid ''extra heavy oil'' for use as an energy source by dissolving the highly-viscous substance with high-pressure ''super critical water.''
Bulky or extra heavy items will cost $3 to $40 for disposal.
It could cost an estimated $121 million for the National Park Service to meet a decade-old mandate to change its radio technology in the country's 388 national parks, an expense park officials and advocacy groups say will put an extra heavy burden on an already underfunded operating budget.