The role of the flange in mechanical design
The flange is a disc-shaped part, the flanges are used in pairs and are most common in pipeline engineering. In plumbing, flanges are primarily used for pipe connections. In the pipelines that need to be connected, a variety of flanges are installed, and the low-pressure pipelines can use wire-bonded flanges, and the welding flanges are used at pressures above 4 kg.
For the treatment
of diseases of the digestive system:
Many symptoms can
signal problems with the GI tract, including: abdominal pain, blood in the
stool, bloating, constipation, diarrhea, heartburn, incontinence, nausea and
vomiting and difficulty swallowing, according to the NIH.
Among the most
widely known diseases of the digestive system is colon cancer. According to the
Centers for Disease Control (CDC), 51,783 Americans died from colon cancer in
2011 (the most recent year for available data). Excluding skin cancers, colon
and rectal cancer, or colorectal cancer, is the third most common cancer
diagnosed in both men and women in the United States, according to the American
Cancer Society.
Polyp growth and
irregular cells, which may or may not be cancerous, are the most common
development paths for colorectal cancers (also referred to as CRC), and can be
detected during a routine colonoscopy, according to Dr. John Marks, a
gastroenterologist affiliated with the Main Line Health health care system.
[The best news is that, if caught early
enough, they can also be removed during the colonoscopy - eliminating the
possibility that they grow further and become cancer," Marks said.
For those patients
whose cancer has already spread, there are various minimally invasive surgical
options that have extremely good prognoses. It is recommended that asymptomatic
patients without a family history begin getting tested regularly between the
ages 45 and 50, according to Marks. [Symptoms which may suggest that you need a
colonoscopy at an earlier age include rectal bleeding and stool/bowel habit
changes which last for more than a few days."
While CRC gets a
great deal of attention, many diseases and conditions of the digestive system -
including irritable bowel syndrome, diverticulitis, GERD (acid reflux) and
Crohn`s disease - can be chronic and are difficult to diagnose and treat,
according to Dr. Larry Good, a gastroenterologist affiliated with South Nassau
Communities Hospital. [With many of these diseases, blood work and colonoscopies
all looks normal, so there is an absence of red flags."
Many of the
diseases of the digestive system are tied to the foods we eat, and a number of
sufferers can reduce their symptoms by restricting their diets, Good said. [Of
course no one wants to hear that they can`t eat certain foods, but many times,
eliminating acidic things from the diet, such as tomatoes, onions, and red
wine, can have an impact," Good said.
There are a number
of tests to detect digestive tract ailments. A colonoscopy is the examination
of the inside of the colon using a long, flexible, fiber-optic viewing
instrument called a colonoscope, according the American Gastroenterological
Association. Other testing procedures include upper GI endoscopy, capsule
endoscopy, endoscopic retrograde cholangiopancreatography and endoscopic
ultrasound.
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Pumps and valves, when connected to the pipeline, part of these equipment, also made into the corresponding flange shape, also known as flange connection. Connection parts that are closed at the same time by bolting on both planes are generally referred to as "flanges". For example, the connection of ventilation ducts may be referred to as "flange parts". However, this connection is only a part of the equipment, such as the connection between the flange and the water pump, it is not good to call the pump "flange parts". Smaller such as valves, etc., can be called "flange parts".
In plumbing, flanges are primarily used for pipe connections. In the pipelines that need to be connected, a variety of flanges are installed, and the low-pressure pipelines can use wire-bonded flanges, and the welding flanges are used at pressures above 4 kg. A sealing point is added between the two flanges and then fastened with bolts. Different pressure flanges have different thicknesses and use different bolts.