High Performance WCB Safety Valve For Steam Service
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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:I have 06 Suzuki gsx-r 750 and i was wondering what are the signs or how do i know that my valves need to be adjusted?
- Actually, your valves will not clatter, they will get very quiet. Valve clearances ordinarily tend to tighten up over time. A tappy valve is a happy valve. Measure the clearances with a feeler gauge to tell if they need adjustment. Some early warning signs of tight valve clearances include an unstable idle, stalling on the overrun, and stumbling off idle. You should also keep a record of your clearances before adjustment, shim sizes as found, clearance after adjustment, shim sizes after adjustment, and mileage. That information will help you anticipate adjustments, give you an idea of what shim sizes to have on hand, and give you an indication of any unusual wear patterns. Keep this information in mind when chasing carb and ignition problems, too. Driveability issues attributed to carburetion are often caused by tight valve clearances instead. If it has been a while since your last valve adjustment, set them first, before chasing carb issues.
- Q:I have a 3406b motor. It has blow by. This happened when I hired a mechenic to do a top end. I belive that he did not ajust the valves correctly or something happen to the motor. I want to gap the valves to see if this helps out. How would I go on doing this.
- try using this link here to help you out. Dont know if you have engine brake or not. but u should be able to still adjust the valves correctly if you follow along with the process.
- Q:I have a 2005 Dodge Durango and had problems with stalling. I took it into the dealer with warranty on it. They said the ECG Valve is busted and its unsafe to drive. Can you guys tell me what the function of this part is?
- Here is a link dealing with the ECG (Engine Control Group). www.iau.dtu.dk/~eh/ecg_proj.html
- Q:Ball valves are much more reliable. Also, if you have the gate valve for the main shutoff, is it against code to put a ball valve right after it, so you have a working shutoff when the gate valve fails?
- no as long as the gate valve is there. gate valves are pressure rated and seal better and are made from hardened steel so it will usualy seal when others have a seat [made from brass] that can wear out and leak even ball valves have a ceramic or plastic seal and are made from brass or soft steel
- Q:I took my 2nd valve out to wash it (i couldn't find my oil, but it worked fine) and I've tried making the number face the mouthpiece, yet it still is messed up and won't let me play a lot of notes.
- 1) Try this first and if this doesn't work, go to #2. Oil the valve's body and gently put it back into the cylinder without screwing it in yet. Then, turn the valve until it clicks, and make sure it is really seated correct. Some trumpets have two clicks, and one is not the right one. So, you have to get the right click - which tells you that your valve is seated right. When your valve is seated right, then screw it in. 2) If you don't get a click when you spin your valve - look at the tubing on your trumpet and line up the holes in your valve with the tubing. When the valve is up, it will line up with 2 holes of the tubing, and when it is down it will line up with 2 other holes in the tuning. So, you can determine the correct positioning of the valve by looking at the tubing on your trumpet. But this is a last resort. I've never seen a trumpet where the valves don't click when you turn them.
- Q:and that i need a valve job. what is a valve job, and is it expensive? i have a stock 1.6 SI motor in it, but i want to make my car better and faster, would it be cheaper to buy a new engine? some of the people who want to buy my car say that they would put a B16 vtec in it. what is that, and how much better is it than my engine?
- Basically a valve job is a valve backlash check and adjustment. There has to be a clearance measured in thousanths of an inch between the camshaft and the rocker assembly. This is generally measured with feeler guages.
- Q:I have a 2000 Ford Explorer sport(2wd). I live in the Fort worth,Tx area. What would be a resonable price to have this valve changed out with a new one(valve labor)?
- dealership wil prolly charge $150-$175 depending on their labor rates. Might find a local shop to do it for less. Goto autozone and ask them to pull the part and to give you a diagram of where it's located and you can decide if you can do it yourself. EGR Exhaust Gas Recirulator typically is located on the intake manifold. Never been under the hood of an 00 Explorer though.
- Q:my dad's friend died, and dad had been keeping some valves of his. now we've been left with about 400 valves and i'm going to sell them.my main question is what are they used for? i need to write a description for ebay but have no idea what they're for! anyone know?also, how much should i sell them for? on the box it says 11 shillings, which i worked out as ?1.32, but how much should i sell them for on ebay? there's prices on ebay that are about 50p to ?1.50 for most of them, but some are about ?7 but have no bids at all. how much should i start the bidding at?also, if you could give me any other information that i should put in the description, i would really appretiate it :)they are mainly 'Mullard' valves (the company name) but some are 'MAZDA'thanks! :D
- It sounds like 1960's 70's 80's radio and tv valves. pcl 85, pl504, py800, ef80, pcl82, maybe. I through away about 100 of them about 10 years ago. I wish i would have kept them. They are of interest to vintage radio and tv collectors. Could try selling a few at a time number should be on the glass. Still used in high quality audio amps and output stage of guitar amps for warm quality sound. Good luck.
- Q:So I bought my car about 4 months ago (1999 mustang) and the second day the check engine light came on and was the code for the EGR valve. I just reset the ECU and it went off and stayed off until now. Same code for the EGR, but this time after resetting ECU the light continues to come on. Is the EGR valve important enough to have fixed? and I have aftermarket Flomaster exhaust if that would have anything to do with the code being thrown
- It's there for a reason.
- Q:Describe a typical semilunar valve and tell how it works
- The semilunar valves are located between the aorta and the left ventricle and between the pulmonary artery and the right ventricle.(aortic valve and pulmonary valve) The semilunar valves are flaps of endocardium and connective tissue reinforced by fibers which prevent the valves from turning inside out. They are shaped like a half moon, hence the name semilunar (semi-, -lunar). they prevent the back flow of blood to left and right ventricles respectively.
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High Performance WCB Safety Valve For Steam Service
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
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