Description : What are the different types of plugs ?
Last Answer : The different types of plugs are generally used are : ( 1 ) V. port plug ( 2 ) Contoured plug V-port plug: Ported plug are generally used on double seated valves. This is because ... balance area. Contoured plug: Contoured plugs are generally used on single seated valve with small trim sizes.
Description : What are the different types of control valves ?
Last Answer : The commonly used control valves can be divided as follows. 1. Depending on Action. 2. Depending on the Body. 1. Depending on action: Depending on action there are two types of control valves, (1) ... valves single or double seated. 2. Angle valves. 3. Butterfly valves. 4. Three way valves.
Description : What is the use of Angle valves ?
Last Answer : Angle valves are used where very high pressure drops are required and under very severe conditions. Where the conventional type of valve would be damaged by erosion.
Description : What is the use of booster relays ?
Last Answer : Booster relays are essentially air load, self contained pressure regulators. They are classified into three broad groups : 1. Volume Boosters : These are used to multiply the available volume of ... 3. Reversing Relays : This produces a decreasing output signal for an increasing input signal.
Description : What is the use of link connected to the valve positioner ?
Last Answer : The link serves as the feed back to the value. Ant valve movement is sensed by this link. Sometimes due to line pressure changes on H.P. service the valve position may be changed, the ... this change and the positioner will produce an output which will operate the valve to the original position.
Description : What is the use of three way valves ?
Last Answer : Three way control valves are only used on special systems, where a dividing or mixture of flows according to a controlled ratio is required.
Description : What is the use of butterfly valves ?
Last Answer : Butterfly valves are used only in systems where a small pressure drop across the valve is allowed. The butterfly is fully open when the disc rotates by 90. A drawback of this valve is that even a very small angular displacement produces a big change in flow.
Description : What is the use of a valve positioner ?
Last Answer : The valve positioner is used for following reasons : 1. Quick Action control valve. 2. Valve hysteresis. 3. Valves used on viscous liquids. 4. Split Range. 5. Line pressure changes on valve. 6. Valve Bench set not standard. 7. Reversing valve operation.
Description : What is the use of double seated valve ?
Last Answer : In double seated valves the upward and downward forces on the plug due to reduction of fluid pressure are nearly equalized. It is generally used on bigger size valves and high pressure systems. Actuator forces required are less i.e. A small size actuator.
Description : What is the use of single seated valve ?
Last Answer : The single seated valve is used on smaller sizes, and in valve of larger sizes, where an absolute shut off is required. The use of single seated valve is limited by pressure drop across the valve in the closed or almost closed position.
Description : How will you select the control valve characteristics ?
Last Answer : The graphic display of flow various lift shows then the Desired or inherent characteristic is changed by variations pressure drop. This occurs as the process changes from condition where most of pressure drop takes ... the valve. b) The pressure drop across a valve should be as low as possible.
Description : How will you change the action of a control valve ?
Last Answer : 1. If the control valve is without bottom cap. The actual needs to be changed. 2. If bottom cap is provided. a) Disconnect the stem from the actuator stem. b) Separate the body from the bonnet. ... back the stem to the actuator stem. h) Fix back the bottom cap. i) Calibrate the valve.
Description : How will you change the valve characteristics with positioner ?
Last Answer : The positioner contains different types of came in it. selection of the proper cams in it.By selection of the proper cam the valve opening characteristics can be changed.
Description : What is a solenoid valve ? Where it is used ?
Last Answer : A solenoid is electrically operated valve. It consist of a solenoid ( coil ) in which a magnetic plunger moves which is connected to the plug and tends to open or close the value. There are two types ... : 1. Normally open 2. Normally closed USE : It is used for safety purpose.
Description : What are the different valve characteristic ?
Last Answer : The different types of valve characteristic are : 1. Linear 2. Equal Percentage 3. Quick Opening. 1.Linear: The valve opening to flow rate is a linear curve 2.Equal percentage: For ... At small opening the increments in flow rate is more. At higher opening the flow rate becomes steady.
Description : What are the advantages of Camflex valves ?
Last Answer : Camflex valves are intermediates between globe valve and butterfly valve. The plug rotates 60' for full opening. Advantages: 1. Actuator forces required are very less. 2.Extended bonnet and hence can be used ... on high temp. and very low Temperature. 3. Variations in flow. 4. Light weight.
Description : What is a cage valve ?
Last Answer : A cage valve uses a piston with piston ring seal attached to the single seated valve "plug". Here the hydrostatic forces acting on the top or the piston or below the valve plug tend to cancel out. The seat ring is clamped in by a cage. Cage valves are generally used for noise reduction.
Description : When can a by pass be not used on a positioner ?
Last Answer : A by pass on a positioner cannot be used when : 1. Split Range operation. 2. Reverse Acting Positioner. 3. Valve bench set not standard.
Description : How will you work on a control valve while it is line ?
Last Answer : While the control valve is in line or in service, it has to be by passed and secondly the line to be depressurized and drained.
Description : What is a control valves ?
Last Answer : A control valve is the final control element, which directly changes the valve of the manipulated variable by changing the rate of flow of control agent. A control valve consists of an operator and valve body. ... 3 psi on the diaphragm the value is closed and 15 psi air signal it in fully open.
Description : What are the types of bonnets?
Last Answer : Answer: Bolted bonnet, bellow sealed bonnet, screwed on bonnet, union bonnets, A U-bolt and clamp type bonnet, breech-lock bonnet, pressure seal bonnet
Description : Do you feel less safe or less comfortable driving cars with long fronts/hoods/bonnets?
Last Answer : Ohh man. One time I went to an old corvette dealership dressed in really nice clothes pretending that I had money so I could test drive some of them. I drove a 1969 Stingray. Hands down one of the least fun ... front of the car. I was always afraid I was going to rear end the car in front of me :P
Description : Would a low-temp glue gun be better than a high-temp glue gun for plastics?
Last Answer : A low temperature glue gun would be best because there would be less damage to the plastic from the heated glue.
Description : low temp for cauliflower plants ?
Last Answer : Need Answer
Description : what is low temp for plumeria?
Description : High white cell count, abdominal pain & high temp?
Last Answer : Wow, I would be very upset at not being listened to. These symptoms can mean anything from kidney stones to an ectopic pregnancy. You need to get a second opinion.
Description : Statement -1 `Al_(2)O_(3)` is converted in to Al by reductin with carbon at high temp.statement -2: Carbon has grater affinity for oxygen than alumium
Last Answer : Statement -1 `Al_(2)O_(3)` is converted in to Al by reductin with carbon at high temp. ... -2: Carbon has grater affinity for oxygen than alumium .
Description : What is the high temp for Atlantic City New Jersey?
Last Answer : 63.9 oF -mks
Description : The gypsum is added to the cement for (a) Providing high strength to the cement (b) Controlling the initial setting time of cement. (c) Lowering the clinkering temp of cement (d) All the above.
Last Answer : (b) Controlling the initial setting time of cement.
Description : How do taxes work when you use an online temp/assistant service?
Last Answer : Yes, you can handle that as a business expense. You put it in Schedule C, which you file for your business to determine profit or Loss.
Description : Is a temperature fluctuation like this possible, or is the temp reader on my car malfunctioning?
Last Answer : The rain storm caused the coolant in the radiator to cool down more than you are used to. When the thermostat opened up, the cooler coolant made the temp gauge go down. Your temp gauge reads ... sure it doesn't read in centigrade/Celsius? If it was Fahrenheit it would read about 180 degrees.
Description : Human Extremeties Temp Well Below Ambient?
Last Answer : Poor circulation frequently can cause such a feeling. You might want to mention this to your doctor so they can check your circulation. I find taking a Vitamin E capsule every morning helps my circulation. Welcome to Fluther!!!
Description : What is the proper way to drink sipping Whisky, room temp, or on the rocks?
Last Answer : answer:Personal choice. You forgot spring/branch water. You can also sip whiskey with a splash of water, room temp or with ice. How to Drink Whiskey
Description : Should I apply for another job since I've been a temp for a year?
Last Answer : I would go ahead and start looking now. It always seems easier to find a job when you have a job. You also can be a little more picky since you won't be desperate to get just any job. In ... give him an ultimatum. Don't even tell him you are looking elsewhere. You may find yourself without a job.
Description : Should I still look for other work if I accepted a temp-to-hire position?
Last Answer : Also, do most places wait until you’re completely permanent until your vacation/sick time off hours start accruing??
Description : Thermostat in my car was changed and the temp. gauge still rises, what can my problem be?
Last Answer : There are a lot of different things that could cause this: clogged radiator, bad water pump, problem with the AC compressor, and many more. There isn't enough information to give a good diagnosis. The fact that ... . It's a good idea to get it checked anyway, so that the engine doesn't blow up.
Description : Is 96.8 body temp normal?
Last Answer : answer:I sure hope you mean Fahrenheit, because if it is then it's just 1 degree below 37-the normal body temperature. You probably have some sort of mild poisoning I'm guessing. ... temperature) that are related to stomach pains. Alcohol poisoning causes hypothermia-have you been drinking a lot?
Description : Career advice needed - temp to perm situation?
Last Answer : Tell the truth.
Description : For how long and at what temp do I bake chicken breasts?
Last Answer : Wrap in foil, 400 degrees for 30 mins.
Description : How long does it take for Brazillian Cherry Hardwood flooring to acclimate to room temp before installed?
Last Answer : The longer the better, but at least a week.
Description : What are some good Temp Agencies for tech companies in Los Angeles?
Last Answer : This one is pretty good. I worked for them in Florida.
Description : Take a temp job I love or stay at my internship I started two weeks ago?
Last Answer : answer:In the current job market, stay with the internship. A favorite quote of mine is: It is not important that you do what you love, so much as you love what you do.
Description : Who should I call to find temp work for Thanksgiving?
Last Answer : Maybe check craigslist? Or go around asking stores in person, even call if you’d like. Places may be looking for a few weeks or around a month of temp work vs. a few days. However it never hurts to try!
Description : My temp. is at 98.1, and i have chills. yesterday i had a fever of 100.4. then today after lowering it shot back up to 101 degrees. what does that mean?
Last Answer : Are you taking medicine like ibuprofen or tylenol for the fever? Also, are you sick? Or you just have a fever?
Description : Why do fish need to be brought into room temp water?
Last Answer : Because the water that they came from was room temp, the water in the bag is room temp and if you drop a fish in different temp water you could shock it and kill it.
Description : Why does the temp of water matter when washing clothes?
Last Answer : With certain temperatures the fabric reacts by shrinking, fading etc. It really depends what you’re washing. What is it? – and I can refine my answer.
Description : I am getting unemployment, if I can get freelance work (which will temp. decrease my weekly check) will that increase the length of time I can receive it?
Last Answer : Yes. This just happened to us (different state, but these rules are the same). There is an amount you have “banked,” if you will. When you work and your benefit is reduced, your still have the balance available. So when you run out of work, and you can reopen your claim.
Description : In NYC, which temp agency have you recently worked for and really liked? (and, if you feel like saying, about how much did you make?)
Last Answer : Here is a good place to find reviews for Temp Agencies in New York. http://www.tempcity.com/discus/messages/2/2.html
Description : IT temp-to-hire contract positions, are they worth the risk?
Last Answer : answer:Go to the interview and see what sense you get of the company and of the people you'd be working with. That may decide things even faster than the contract terms. The usual reason for contract to hire ... risk. If either one is a maybe or a no, then you should think twice about it.
Description : Why don't refrigerated foods spoil as quickly as food at room temp?
Last Answer : That is correct most bacteria don’t multiply at lower temperature as rapidly. Specificly at temps below 40 degrees they really slow down or go dormant.