API Cast Steel Check Valve Flange RF 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:
- 100 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:Also, Is a pneumatic control valve an ATC or an ATO; is it a FO or FC valve?
- When the individual ego is very high, directly relating itself to universal oneness is a difficult process, so he or she can get married and experience and grow with each other and than expand further. Such elaborate procedures are followed in ancient tantra philosophies. There there is no husband and wife tagging required, just two partners agree upon to help each others evolve and help each other as a subject in there experiment and practices. My brother coyote above makes this point very clear. -- Deito Harirnama Harirnama Harirnama Kevalam.
- Q:I have a question about my car. The mechanic told me that my valve body needed to be rebuilt. However I read that the valve body is a sensor that tells the car when to shift gears. Now my car is a semi automatic so I can shift gears myself! I was wondering if someone could tell me whether it was still necessary to rebuild it if I'm going to be shifting gears myself? I just don't want to mess up the valve body even more and eventually have to get a whole new transmission!
- if its not slipping or banging when shifting i wouldnt worry too much ... if its not shifting right though i would get it fixed ..
- Q:How do you take out a valve stem?
- Valve Stem Cap Remover
- Q:Do most V6's have 24 valves? What are they for? (brief description would be fine)
- V6 Dohc 24 Valve
- Q:Im replacing the valve stem seals and i dont know how to remove the springs and with the valve compressor wont fit in the engine
- Do NOT do what banit said, if you did his technique once you remove the keepers the valve would drop to the bottom of the cylinder and require a tear down. You must get the piston be at top dead center on the cylinder you intend on removing the valve springs from and you cannot do any other valves besides the ones on the cylinder you brought to top dead center. You can take the rocker arm off the top and take the push rod out then when at top dead center using a spring compressor you can take the keepers out, or if you do not have a spring compressor (proceed at your own risk) you can get an oversized socket and a dead blow hammer and place the socket over the top of the valve spring with the octagonal side towards the spring and give it a decent hit, but be aware the keepers will pop out and you may lose them if you are not careful.
- Q:hi My Dad is 65 yrs old. he is very fit and healthy. He has had heart problems as long as i remmember! he has been under care for almost 2 years now and he has had to stents put in. Now the doctor has found out that his Mitral valve is leaking. They have told him tat he needs surgery to either have the valve replaced or repaired. i like to know if anyone out there has been through this and can help ease this a little as Ia really worried!! Thank you!
- Mitral valve surgery is surgery to either repair or replace the mitral valve in your heart. Minimally invasive mitral valve surgery is done through much smaller incisions (cuts). In open surgery, the surgeon makes a large incision (cut) in your breastbone to reach the heart. Mechanical heart valves do not fail often. However, blood clots develop on them. If a blood clot forms, you may have a stroke. Bleeding can occur, but this is rare. Biological valves tend to fail over time. But they have a lower risk of blood clots.
- Q:I just want to ask do i turn clockwise or counterclockwise in the pipe main shutoff valve to turn on the water supply?
- left to open an right to close piece of cake. (grate now i want some cake)
- Q:How would your car run if u did not have one on it? Do u really need to have a pcv valve? I have a 1994 Ford Econoline
- positive crankcase ventilation. allows blow-by(unburn air fuel) gas to circulate back to engine to burn remove and shake it, it should rattle, if not , try to clean it first then rattle it. if no rattle sound, replace it.
- Q:Anyone know where the pcv valve is located on a 2000 Lincoln Ls V6 3.0
- It should look something like a flattened top and should be black and in line with your fuel fline to the injectors.
- Q:I'm 16 and I have a Minor Heart Valve leak, I have to take pills every time I have dental work done, and my aunt said something about maybe looking at surgery. Is it really anything to worry about? is surgery something i should really look at? and are pills really necessary?
- The pills before dental work are necessary, yes. When you have a problem with one or more of your heart valves you're at increased risk of endocarditis (poor dental care/not taking the pills is the most common cause of endocarditis) and, if you get that, you'll be left feeling very sick and stuck in hospital, plus endocarditis can cause heart failure or even death so it isn't something to dismiss lightly. Whether or not surgery is an option at the moment for you is something you'll have to discuss with your own doctor. If it isn't stopping you from doing things you want to do in your everyday life, then it almost certainly isn't needed yet. If/when you do decide to have the valve repaired/replaced, you may not need any actual surgery. Increasingly more and more hospitals, incl. mine, are doing valve repairs and replacements without the need for surgery. They do it in the catheter lab, using a catheter (thin plastic tube) threaded up through your blood vessels (usually going into your groin) to your heart. That way you just need a sedative rather than an anaesthetic, plus people are in and out of hospital the same day with nothing more than a band aid to show they've had anything done. Even if your hospital is still only doing surgical repairs/replacements, it is a common, routine and safe surgery. It has a success rate greater than 98% and 96% of people who have it done find they need no further work on the valve for at least another 15 years. If eventually you do decide to have the leaky valve replaced tho. you will have to take anti-coagulant medication (warfarin pills) every day, and have regular blood tests, for the rest of your life. If you're pretty much free of medication and doctor's appointment's at the moment, it's* another thing to consider before making any decision to get your valve replaced. (*how you'll feel about taking daily medication and having to get frequent blood tests from now 'til eternity)
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API Cast Steel Check Valve Flange RF 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:
- 100 pc/month
OKorder Service Pledge
OKorder Financial Service
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