API Cast Steel Check Valve 500 mm in Accordance with ISO17292、API 608、BS 5351、GB/T 12237
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 pc
- Supply Capability:
- 500 pc/month
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The features of check valve
Bolted Bonnet;Swing and lift disc;Metallic seating surfaces.
Body and Bonnet Connection
The body and bonnet of Class150~Class900 check valves are usually with studs and nuts.And the body and bonnet of Class1500~Class2500 check valves are usually of pressurized seal design.
Body-To-Bonnet Joint
Stainless steel + flesible graphite wounded gasket is used for Class 150 and Class 300 check valve;Stainless steel + flexible graphite wounded gasket is used for Class 600 check valve,and joint gasket is also optional for Class 600 check valve;Ring joint gasket is used for Class900 check valve;Pressurized seal design is used for Class 1500~Class 2500 check valves.
Seat
For carbon steel check valve,the seat is usually forged steel.The sealing surface of the seat is spray welded with hard alloy specified by the customer.Renewable threaded seat is used for NPS<10 check valves ,and welded on seat can be also optional if being requested by the customer.Welded on seat is used for NPS>12 crbon steel gate valves .Forstainless steel check valve,integral seat is usually adopted ,or to weld hard alloy directly integrally.Threaded or welded on seat is also optional for stainless steel check valve if being requested by the customer.
Standard Criteria | ASME/ANSI/API customize |
Pressure Rating | 150 Class 300 Class 600 Class 900 Class 1500 Class 2500 Class customize |
Valve Size | 50 mm 65 mm 80 mm 100 mm 125 mm 150 mm 200 mm 250 mm 300 mm 350 mm 400 mm 450 mm 500 mm 600 mm 650 mm 700 mm 750 mm |
2 inch 2.5 inch 3 inch 4 inch 5 inch 6 inch 8 inch 10 inch 12 inch 14 inch 16 inch 18 inch 20 inch 24 inch 26 inch 28 inch 30 inch customize | |
Actuator | Automatic customize |
Connection | Butt Welding Flange RF Flange RTJ customize |
1-Body Material | A216 WCB A351-CF8 A351-CF8M customize |
2-Seat ring | A105+13Cr A351-CF8M A351-CF8 A105+Tool Steel customize |
3-Disc | 13Cr+A216 WCB A351-CF8 A351-CF8M Tool Steel+A216 WCB customize |
4-Arm | A351-CF8M A216 WCB A351-CF8 customize |
5-Nut | A194-8 A194 2H A194 8M customize |
6-Arm pin | A182-F316 A182-F6a A182-F304 customize |
7-Yoke | A351-CF8M A216 WCB A351-CF8 customize |
8-Bonnet nut | A194 2H A194 8M A194-8 customize |
9-Bonnet bolt | A193-B8 A193-B8M A193-B7 customize |
10-Bolt | A193-B8 A193-B7 A193-B8M customize |
11-Gasket | graphite+304 316+graphite customize |
12-Bonnet | A351-CF8 A216 WCB A351-CF8M customize |
13-Eye bolt | A181 customize |
Design Standard | API 6D BS 1868 customize |
Connection Standard | API 605 ASME B 16.25-2007 ASME B 16.47A ASME B 16.47B ASME B 16.5 MSS SP-44 customize |
Test Standard | API 598 API 6D customize |
Face to Face | ASME B 16.10 customize |
Pressure-temperature ratings | ASME B 16.34-2004 customize |
Wall thickness dimension | API 600 BS 1868 customize |
- Q:OK, I would like to run my shorty headers open on my Camaro, but I have two questions.1. I heard valve damage may occur because cold air gets in there. Why isn't this the case with straight pipe exhaust, doesn't the cold air travel to the valves in that case anyway?2. Right now with my headers to off road y pipe I have 2 o2 sensors to throw the check engine light off, and it has worked. If I run open headers, will they still work?
- The valve damage from open headers sounds more like a theory than reality. I, and numerous other drag racers, have run open headers for decades without valve damage. More often than not, it's either the lower end or other parts of the valve train that crap out long before the valves. The O2 sensors will work if they stay hot enough, otherwise you may need to put heated sensors in.
- Q:Are all the valve created games tied together somehow? Except for TF2 like in portal 2 glados says she might start a hobby of reanimating the dead so is that left 4 dead?
- The only Valve games that exist within the same universe are Half Life and the Portal series. Aside from referencing each other, Left 4 Dead, Counter Strike, and Team Fortress 2 and all other valve games exist in their own respected universes. Left 4 Dead cant exist within the same universe as Portal since l4d takes place in the year 2008. And as Portal and Half Life share the same timeline, the combine would have already taken over the planet at this point and in left 4 dead you don't see any of this. Also in Half life 1, the portal that allowed the combine to enter earth in the first place took place in 2000 in the game's story, again you dont see any of this in l4d. There are some other stuff in there but I don't feel like getting more into it. Oh yeah one more thing, In L4D2, Louis mentions that he feels like Gordon Freeman when he is on the minigun, the protagonist from Half Life. So according to L4D universe, half life is a video game just like in the real world so that would mean that Portal is too because both those series are tied in.
- Q:I have a D16Z6 SOHC VTEC engine in my 93 Honda Del Sol.Ive been told that the D16Z6 came with 2 different valve covers. One style cover says Honda on the top and another also says VTEC.I have the one that just says honda but I want the other put on.What would I need to swap them, and where would I get them?and a roundabout price
- maybe you can get the cover at your local junk yard. Check and ask around. Since Hondas are so abundant, someone is bound to have it. If not, you can always go to the Honda Dealer. They'll order it in for you the next day. It might be more expensive but it'll be new and they'll be sure to have it. You might also want to check the fit to make sure they're compatable. :)
- Q:We have a 4 station sprinkler set-up. On the 4 station (last station to run) the Sprinkler headers are struggle to pop up water. From inside the house I hear the valve making a noise, that continues through out the entire run cycle. Any ideas on what causes these 2 problems to occur?
- Sounds like you have a valve that is not opening up fully. Is the noise coming from within the valve box or from the plumbing inside the house? I am assuming that it is coming from the valve box itself. If the valve is not opeing fully at that 4th station, the low volume of water flowing through the opening is causing a humming sound. And, with a low volume of water entering the lateral lines, your last station heads will not popup all the way, or may not popup at all. Check to make sure that you have no soft, wet, mushy areas on the turf in the last station area that would indicate a lateral line breakage or leek. If you do not see this occuring, you more than likely need to change out the valve and replace it with a new one for that particular system... Hope this answers your question. ...Billy Ray
- Q:What is the International Standard or other acceptable calculation or table for determine the air supply of pneumatic actuator in shutdown valve 6 to 24.Desired answer will be air flow in SCFM.Thank you.
- Shut down valves I've worked with haven't had an 'Air Flow' for their operation. For the smaller valves, they consist of diaphragm operated valves either held open or closed by pneumatic pressure. The air supply at 25psi to give a diaphragm holding pressure of 15 psi, is via a solenoid valve which dumps the air pressure to either open or close the valve depending upon its function. (That of isolating a system or relieving pressure). The solenoid is actuated by a signal from the shut-down system, and the valve is a 3-way unit which isolates the supply air and vents the pressure off the diaphragm. Other SDV's in my experience, are operated in a similar way but are much larger and are operated by a pneumatic air cylinder and piston with air supplied at 100 psi. Others encountered are ... MOV's...Motor Operated Valves that can be automatically operated from the shutdown system, or Operated Remotely from a safe distance (ROV's).
- Q:what is the purpose of valves such as: gate valve, foot valve and globe valve in the industry?
- the valves control the flow
- Q:What are the function of reed valves on a motorcycle?
- GuardrailJim and Badobses---, you both got it almost right. You other guys, take a lesson. First, Jim Bad should have said fuel is pulled into the crankcase, through the reed valves. The crankcase is a small sealed off area on a two stroke, just larger than the flywheels. Old days, the piston skirt was used for a valve, opened when the piston was on the way up, closed on the way down. Both systems use the piston skirt to open and close the exhaust port, which opens when the piston is on the way down on the power stroke, normally about half way, give or take a bit. Intake, into the combustion chamber starts when the transfer ports open, which is a bit after the exhaust port opens, and closes just a bit after the exhaust closes. With the reed valve, mixture is pulled into the crankcase at any time the case pressure goes below atmospheric. Also stops, by the reed valve, as soon as pressure goes over atmospheric. This lets the engine induce a fair amount more mixture than was possible with a piston port, and no blow back of mixture through the carb. This is a simplification of a very complicated piece of air flow. One will know chap I know, who also built some of the best, if not the best 2 stroke exhaust went back to college, got a Doctrate on accoustics before starting design of his expansion chamber systems, and THEY WORKED! Sorry, I did not mention disk valve engines the first time, in effect kin to the piston port, except they are timed for opening and closing to be at proper time to get maximum flow into the crankcase. Less blow back than with a piston port. Between piston port and reed in power, all else equal. Reed valves are all-round best. Cheers, Tomcotexas.
- Q:Any way to treat the calcification of the valves?Is valvotomy only an option for youths?
- a balloon valvuloplasty is usually only an option for youth or critically ill because the older you are the shorter time the valve will stay open for, so it only buys you some time.. Valve replacements or if possible valve repair are the only possible treatments at this time. You ask your cardiologist if minimally invasive surgery would be an option for you though since that would give you a shorter recovery period, and less pain and smaller scar.
- Q:Ok so i am 16 years old, and i have Aortic stenosis, bicuspid aortic valve, aortic regurgitation and an Enlarged aorta. I am soon going to be getting an aortic valve replacement. I am just wondering what happens before and after the surgery and how long i will be in the hospital, how long in the ICU, what kind of tubes/machines will i need? any information will help. thanks :)
- They will probably do a tissue valve replacement so there would be no need for life long therapy of blood thinners. As for the post op. Our hospital recovers heart surgeries right in our cardiovascular intensive care unit. We do not reverse anesthesia, we let our patients wake up on their own. Because of this, we have them on a ventilator until they wake up and are functional enough to breath on their own. We also monitor things very invasively, so there are a lot of lines. We have a Swan Gantz catheter which measures the pressures in the heart, an ART line, which measures your blood pressure internally, and an I.V. that goes directly into your heart called a central venous line. Usually after you wake up from surgery, if all your pressures look good, we start to take out those invasive lines and we get you out of bed. Most of our patients are in our unit for 1-2 days if all goes well. Then we transfer them up to the telemetry floor for a couple of days and then we send them home. Valve replacement surgery is still a major surgery but we do them every day and the majority of our patients come out of surgery just fine and are home in a week.
- Q:I was wondering if the pressure relief valve can be vented right under the house or does it have to be ran to the outside of the house. Also is there another method such as a catch pan that I can employ? I live in Washington.
- I would be curious to see what plumbing professionals have to say about this. From what I could find, the codes for water heater relief valves just say that the valve must have a drain pipe that discharges the hot water and steam down low, instead of up near the top where it can spray in your face. They also say that the discharge should be outside of the building, but that this is not always feasible and you can install a drip pan below the water heater for this purpose. In this case, I would think that running the discharge line to underneath the house should be okay. But, I'm not a plumber. For what it's worth, my water heater is in a closet that's accessed from outside and the discharge line from my pressure relief valve just discharges to the bottom of the closet (this was installed by a licensed plumber and signed off by the city on a remodel 2 years ago). Apparently, it's okay to just let the discharged water flow out from underneath the water heater closet door to the outside. So, I don't see why it would be against code to run the discharge line to a crawl space under the house. The point of the codes is to prevent your water heater from exploding and destroying your house (or killing or injuring you).
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API Cast Steel Check Valve 500 mm in Accordance with ISO17292、API 608、BS 5351、GB/T 12237
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 pc
- Supply Capability:
- 500 pc/month
OKorder Service Pledge
OKorder Financial Service
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