Pressure Reducing Valve Made In China
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Application:
A pressure relief valve (PRV) is a safety device that relieves overpressure in a vessel or system. When the pressure of vessel or system increased beyond the specified design pressure or maximum allowable working pressure, PRV will be opened automaticly to relief the overpressure for proteding the vessel or system. The PRV will be closed if the pressure reached specified design pressure so that to ensure the normal operation and protect the vessel or system.
Our Pressure Relief Valve has been designed and manuractured according to following Standard:
♦ ISO 4123-1 Safety Devices for Portection Against Excessve Pressure
♦ API STD 526 Flanged Steel Pressure Relief Valves
♦ API STD 527 Seat Tightness of Pressure Relief Valves
♦ ASME Boiler and Pressure Vessel Code Section VIII Division 1, Rules for Construction of Pressure Vessels
Peformance:
♦ Type: Conventional, Bellows
♦ Size:1" D 2"- 8" T 10"
♦ Class:150lb~2500lb
♦ Temperature:-268~+538°C
♦ Fluid: Gas, Steam, and Liquid
♦ Material: Carbon steel, Stainless steel, Alloy steel
♦ The allowable tolerance of the set pressure: ≤±3%
♦ Overpressure: ≤10%(gas)/≤20%(liquid)
♦ Blowdown: ≤10%(gas)/≤20%(liquid)
♦ Tightness: conforms to API STD 527
Features:
♦The solid nozzle is screwed into the body, which makes the maintenance easy.
♦ The shape of the disc holder has been designed to enhance the effect of the fluid thrust for an instant lift of the disc.
♦ Blowdown control is provided with adjustable nuzzle ring only.
♦ The adequate terials and clearance between disc holder and guide , spindle and adjusting screw assures disc to lift successfully.
♦ The surface of both the disc and the nozzle seat are deposited with Stellite. Excellent flatness and surface finish of the seating surfaces by precision machining and lapping assure pressure relief valve to have high degree of seat tightness and long using life.
♦ The bellows of balanced bellows pressure relief valves can not only avoid and effect of variable back pressure in the system , but also protect spring and other trim components from corrosive media.
♦ Materials are chosen carefully , and the manufacture of the spring and the bellows has strict technological process. Each of them is tested and checked strictly.
- Q: Last year an echo revealed severe aortic valve regurgitation with low ef of 37 but ecg was normal. i am 36 yrs old. I have noticed that i often have chest pain when i lie on my left (especially after a heavy drinking or if my bp is high) but the pain subsides when i lie on my right or back. Is it possible that my aortic valve only leaks when i lie on my left side, if so, can I continue living a normal life without needing valve replacement surgery if avoid lieing on my left side. or i'm i fooling myself, is the heart damage progressing silently?
- Hello, You don't tell us *why* your doctors think, you developed this problem with your aortic valve in the first place? Has there been any infection of the valve with germs, (bacterial endocarditis)? Did you have Rheumatic Fever as a child? Were you born, with stenosis or regurgitation of your aortic valve? Do you have abnormally early, clogging-up of your artery-linings with cholesterol?
- Q: How can I tell if my 2004 Ford Taurus a 12 or 24 valve?
- the conventional suspect is a belt, maximum often a skill guidance belt, yet in some circumstances an A/C belt. purchase a can of belt dressing and spray it on the interior the belts jointly as the engine is idling, (pay attention for the fan!) you may hear the squealing quit immediately once you detect the perpetrator. next discover the reason at the back of the squeal, many times a belt this is in simple terms too unfastened. regulate the P/S or A/C unit to tighten the belt. it is going to pass some million/2 whilst depressed heavily between the two pulleys.
- Q: Exactly what is an EGR valve where is it located?
- It does not help warm the engine. It is shut off at idle, and opens as some others have said when cruising. If it opens at idle, it will cause the engine to run rough.
- Q: ok so my 1993 bonneville started shaking and its smells like gas fumes in the car, so i cant drive it cause i have a newborn baby.so i took it to the dealership, they said codes 53,54,55,42,66 came up. they said i needed a new cadiletic converter, so i went to a local muffler shop. they said it was glowing cause it was so hot and said that wasnt the problem.i called the dealership back and they said they cleaned the egr vavle but said maybe it needs to be replaced, well before i spend any money i wanted to get everyones opinion, the car drive great, only shake when ur at idle. and smells awful inside uld this be the egr valve ?
- could be egr or fuel pressure regulator. while running pull vacuum line off of regulator if fuel is present its bad .
- Q: wife died at 40 still awaiting results of exsaminers report. Can CPR be given to some one with two artificial heart valves mitral and arotic? She the person administering CPR be aware that they are in the heart...
- Yes, and it doesn't matter if there are artificial valves or not. The thing about CPR is that it's only done for someone who is actively trying to die. The alternative to doing CPR is to let someone pass away, which is not usually the best course of action (unless they have a terminal disease and have asked not to be resuscitated.) If you are asking whether the presence of heart valves excuses someone from NOT doing CPR... then no. If you are asking whether heart valves + CPR and a bad outcome is because CPR should not have been done, then no to that too. The right thing to do for someone who is pulseless is to start CPR, call 911 and get more definitive treatment on the way. CPR is not going to revive someone - it is only a bridge until a defibrillator and/or cardiac drugs are available. I'm sorry that you lost your wife at such a young age, and I hope you find the answers you are looking for.
- Q: What is a valve adjustment? I wanted to do one on my 1994 Honda civic ex cuz my friends told me I should do one but I wanted to know howmuch will it cost? And what will it do to my car in performance and gas consumption? My car right now has 155k miles.
- Don't bother if you really don't need it (or don't know what it does). As cars get old, parts wear out and need to be adjusted. The valves open and close to let fuel in and exhaust gas out. unless you are suffering from some problem you don't need it. ==== I have 1994 Civic EX also. The good news is that the valves are very easy to access so the labor is cheap (no new parts unless the valves are really worn. good Luck P.S. My 94 Civic still runs like new and get great MPG. So if you get good MPG and have decent power, you don't need valve adjustment.
- Q: Is it safe to remove the butterfly valve on my 94 celica 1.8l st?
- no theres a reason its there,, to regulate air flow...without it your car will get poor preformance..
- Q: We had a sprinkler zone that did not send much water to sprinkler heads. Checked the spring on the solenoid. We took off the top of the valve and rinsed gasket and parts below – put back together. The zone then worked. However I then noticed that the valve that does not shut off completely – water meter shows usage. I turn off water as it comes from the house.We then replaced the solenoid, the zone would not turn on. When back to the old solenoid. I switched wires at the timer and valve, it started, but when the cycle was through there still was water going through the system. Put wires back to their original locations.Space is crowded and looks tricky to replace valve. Would like advice on that for next year. However my main concern is when we shut down for the winter. We manually run each of the 8 stations and blow out the water. Will the bad valve cause a problem?
- we had the same problem last week. the valve was leaking allowing water to seep through. luckily it is a current valve and all the man did was replace the top part and that solved the problem. 75 bucks and he also checked out the entire system for proper operation.
- Q: Can anyone tell me what is the industrial application for globe valve?? Please help. I tried to search in the Net but couldn't get.
- The web page of the attached link has some good section drawings of the various valve types. Whereas ball and gate valves are designed as shut-off valves, and only operate efficiently fully closed or fully open, Globe valves, due to their internal design, can operate fairly efficiently in a partially open position to throttle or control the flow rate of liquids. They are used to control flow rates when mixing fluids or in batching operations where the fluid flow may need to continuously adjusted. The valves can be operated manually or automatically depending on the process.
- Q: If someone is not born with heart valve disease... can a teenager or a 12 year old develop heart valve disease?
- If a teen has heart valve disease, is most likely something they where born with, but it can go undiagnosed till the are teens. I was born with aortic stenosis, aortic regurgitation, bicuspid aortic valve(all are valve disease) and i also have an enlarged aorta. Im 16 years old. I was born with the bicuspid aortic valve and aortic stenosis, and that caused me to develop aortic regurgitation when i was 10, and an enlarged aorta at 14. In some cases a teen can develop it with out being born with it, its uncommon but it can happen.
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Pressure Reducing Valve Made In China
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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