Search results
Results from the WOW.Com Content Network
The main is supported by the line stop sleeve. After performing the necessary service, the stop is removed, and a blind flange is installed on the sleeve. There are various types of line stopping heads. The oldest and still most widely used method of line plugging is the pivoting head style line stop. This technology dates back to the 1930s.
Stopcocks are used to grossly regulate the flow of tap water in residential and commercial services. One is found at the junction of a water main and the branch leading to an individual service (allowing the service to be isolated from the main trunk), and a second inside the structure (allowing its plumbing to be isolated from the branch line leading into it).
Hot tapping is also the first procedure in line stopping, where a hole saw is used to make an opening in the pipe, so a line plugging head can be inserted. Situations in which welding operations are prohibited on equipment which contains:
Stoplogs of a hydro power plant which can close the water flow to the turbine. Stoplogs are modular in nature, giving the operator of a gated structure the ability to control the water level in a channel by adding or removing individual stoplogs. A gate may make use of one or more logs.
Pigging has a significant role to play in reducing the environmental impact of batch operations. Traditionally, the only way that an operator of a batch process could ensure a product was completely cleared from a line was to flush the line with a cleaning agent such as water or a solvent, or even with the next product.
Something happened, and you need money. Urgently. You look at your savings account. Tumbleweeds roll across the place your emergency fund should occupy. Meanwhile, your credit card beckons with ...
There's A Treatment For Heroin Addiction That Actually Works. Why Aren't We Using It?
Water enters the tile line either via the gaps between tile sections, in the case of older tile designs, or through small perforations in modern plastic tile. [9] The installation of the tiles or tile line can involve a trencher ( Ditch Witch ), a mole plough , a backhoe , or other heavy equipment .