High Performance CF8M/WCB Pressure Relief Valve

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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:do I need a new water heater or can this ne be fixed?: It can be fised, you just need a new seal. Measure the width of your pipe and go get a little package of them. They probably cost $2.99. Turn your water off at the street, then drain your water heater to keep it from flooding and possible problems. unscrew the joint replace the washer and put it back together. There is a book you can get at book stores that's called Hoe To Fix Damn Near Everything. It is a must have and has saved me thousands of dollars over the years. Good Luck, Jackie b

Q:I have a honda civic and i took it to get an oil change and they told me that i had an oil leak because my valve cover needed replacing. I did not let them do the work. I called my personal mechanic and he's out of commission for a little while, so he referred me to a friend of his. He said he cleaned all of the built up oil and replaced the valve cover. I noticed yesterday that my car looks like it is leaking oil really bad. I'm wondering, could this be from him washing the old oil that was leaking? My belts seem to be squeaking, like they do when it rains. Any ideas? could this just be excess water that he cleaned it out with?: To determine If the valve cover-gasket is leaking again, take the car to a wand-type car wash. Shut the motor off, open the hood and thoroughly wash the engine and compartment down with hot water and soap. Concentrate on the valve cover itself and the mating surface between the valve cover and cylinder head. Rinse with hot water spray. This is the only way to clean-up the previous mess so everything will be dry and clean. Use a flash-light if you have one to inspect all the way around the lip of the valve cover to look for any bright, shiny oil that could be leaking again after a short drive. Having been cleaning engine compartments for 45 years at car washes, don't worry about electrical connections, cracking or breaking anything. There are quite a few tricks to make valve covers seal properly. To start with the cylinder head has to be clean and dry, the valve cover had to be clean, *flat and dry and use only premium Felpro, silicone impregnated valve cover gaskets.

Q:So just yesterday i bought a second-hand ytr 2320e. After i bought it, i washed it and tryed playing it, but when i press the first valve, there is this small metal scraping metal sound kinda like if you scratch a metal bowl with a fork. I think it has something to do with the spring but im not sure.also, i was wondering if the trumpet valves are supposed to be very easy to press, or if they take a tiny bit of push.: I don't think anyone knows, because there's multiple Bibles. And people interpret it their own way, and re-print it with different scriptures. As far as I'm concerned, there is no such thing as a REAL bible anymore. And any beliefs we have today about it are all false. According to one bible, you will be sent to hell on both counts. According to a modern version, you will be excused for doing your wife, and in another bible, you'll be stonned for asking this question (Knowledge is a sin) Interesting that we are the only intelligent life on earth, supposedly made in God's image, and yet the bible says to stay away from the tree of knowledge. Sorry, I don't buy into that bullcrap.

Q:I am wondering if i can put a blow off Valve on my Crossfire and still get the same sound as if it had a turbo. the car is stock and i just got it so i do not know if it does have a turbo already. Can anyone help me with this.: Doesn't have a turbo regardless of whether it's the 4 cylinder or v6 engine. EDIT: Blow off valves work by purging boost pressure (from the turbo) from the intake piping before the throttle body. Meaning, without a turbocharger there is no build up of pressure prior to the throttle and hence without a turbo a blow off valve is functionless (and it WILL NOT make a noise).

Q:.The valve behind the toilet is spewing water (we have connected a hose to it and have it emptying into the tub). When we try to shut the water off from that valve, the knob or turny-thingy (the name escapes me right now) just turns and turns correcting the water flow slightly, but not shutting it off.The problem it that we can't find the main water valve outside the house. What am I looking for please?!? Also, we shut a valve off in the garage, but it was for the hot water.Help!: if you carnt find the stop cock most likey to be under the kitchen sink or on the front of the property boundary then you will need to call a plumber

Q:A diabetic patient undergone CABG having aortic valve problem.Cardiologist suggested valve replacement: Today, there are two types of prosthetic valves used for replacement: mechanical or tissue. Mechanical Valves A mechanical valve is carefully designed to mimic the native heart valve. It has a ring, like your own natural heart valve, to support the leaflets. Like your own heart valve, the mechanical valve opens and closes with each heartbeat, permitting proper blood flow through the heart. To prevent any blood clots from developing on the valve, which can cause complications, a mechanical valve replacement requires you to take anticoagulation medicine (blood thinners) daily. The dosage of this medication is different for each person, so you will be closely monitored to make sure you are on the correct dosage for you. Regular blood tests will be performed at the physician's office, an anticoagulation clinic, or at home with a specialized testing kit. Tissue Valves The tissue valve is a native valve taken from an animal. Once the tissue is explanted (removed), it is chemically treated and prepared for human use. Some tissue valves have a frame, or stent, that supports the valve, and some valves are stentless (no framework). A very thin polyester mesh cuff is sewn around the outside of the valve for easier implantation. Eliminating the stent makes it possible for the surgeon to implant a larger valve. Larger valves generally provide more surface area for blood flow; this allows more blood to flow through the valve to accommodate the body's needs. Homografts or Allografts A homograft or allograft is a human valve obtained from a donor. This type of valve is particularly beneficial for pregnant women and children, because it does not require long-term anticoagulation therapy. In addition, it can provide excellent hemodynamic performance, allowing for natural function of the surrounding structures. Because the availability of these valves depends on donors, supply is limited. Take care always

Q:I need to know how to use a valve spring compressor, the type that looks like a c-clamp. I understand the fork side goes on top of the spring and the circular side goes on the valve to push and hold. There are also two little scoop things in the middle of the fork that i don't know what they are used for. If i can get a step by step instruction, you will get the best answer: the scoop thing goes on the retainer or (the part that holds the spring in place) first there should be an adjustment on top of the tool where the fork is...put the compressor on the retainer..and adjust the screws until it fits tight on the retainer....then will have to adjust the bottom of the compressor where the handle is so that when you close the handle it pushes down the spring far enough to get the two keepers (two little half moon clips that hold the valve into the retainer....but first before you do anything...u must wear safety glasses if a keeper shoots out of there it may hit u in the face......after you put your glasses on and before you use the compressor take a hammer and hit the top of the retainer that u want to remove...DO NOT HIT THE TOP OF THE VALVE...it will damage the valve and you may end up needing a new one...hitting the retainer loosens the keepers so it will be easy to remove them....when you collapse the handle you can see the keepers in the retainer ..it may be help full to pull them out with a magnet..then slowly release the compassion with the handle and your done....this is hard to do at first and will require some practice to get good at it...be careful u can get hurt using this tool...i have been doing this for 30+ years so i have first hand exp. on both areas good luck

Q:i believe it's to do something to the valve guide to make it the right clearance n not go straight to the valve seat right? or is valve seat next?: Once the valve guide is installed, it has to be reamed to fit the valve stem. After it has been reamed to fit the valve stem, the new valve needs to be seated in. (The valve seat should have already been done by this point) This can be done with a machine tool, or it can be ground in by hand with valve grinding compound. Once this is accomplished, the valve is removed, everything is cleaned thoroughly, and the valve is reinstalled with the spring and keeper. Normally you would do all the operations to all the valves at the same time. (That is, you don't grind in one valve, then go back and ream another valve stem. You do all the operations required at one time. So you would install all the valve guides, then ream them all, then grind or face the valve seats, then check the valve contact area, then remove all the valves, clean the head and valves up, and then reasemble into a completed head unit.)

Q:I have my head off now I need to change my valves how do I do it?: What I would do is just take the heads to an automotive machine shop and have a valve job done on them. They will do everything, grind and resurface the head and valve seats. This is the smart way to DIY. Do what you can do well yourself and let those with the proper tools training and expertise do what they do best. You'll save money this way and get the best work done at the best price.

Q:What do I do to make my valves stop ticking? And what makes them tick? its a 94 Acura Integra with a 91 LS motor, 105,000 miles. If I get a new engine head will it stop ticking or the ticking has to do with the block?: Get your valves adjusted. The B18B engine has solid valves- like every non-VTEC Honda engine. The service interval is actually every 30,000 miles, but usually the technician just checks them at 30,000 miles. If they need adjusting, the tech will adjust them, but usually they don't. Yours are right on schedule. Go get the valves adjusted now. It's just normal wear and tear. When you hear the ticking, just get them adjusted. Those are extremely reliable engines and 105,000 miles is like you just broke it in.

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