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:so do v-6 engines mean 6 cylinders right?, but what are valves? sometimes they are like double the cylinders (12 valve v6). what do they do, and cars that have like 2.5L does that mean how much fuel is injected and does more mean more power?on a side note, what kind of engine is the evo x? is it 4 cylinder? but has really good technology in it and is that how it has such high bhp?also if anyone knows, i kinda know what torque is but can someone explain in laymen terms? does more=better?
- OK well first, cc stands for cubic centimeters, and they measure the displacement within the cylinder of your engine. Basically, the more cc's the bigger the engine. HP is horsepower and generally the more cc's the more horsepower, altho that is not always true, especially if you turbocharge or supercharge and engine. Also, some manufacturers are able to engineer their engines better than others, thus producing more horsepower out of a smaller (less cc) engine. Finally, valves are like little doors in your cylinder. They open and let in the air and fuel, the engine burns the fuel, and then other ones open and let out the exhaust. Some manufacturers put 2 or 3 or 4 of these doors in each cylinder, with the intention of getting the gas in and exhaust out faster, thus producing more horsepower in some applications. A 16 valve engine will generally be a 4 cylinder engine with 4 valves per cylinder, it is a common engine setup. If you still have questions, wikipedia is your friend.
- Q:Can someone please help me on this anatomy question:Describe the physical similarities and differences in the structure of the AV valves and the semilunar valves.Thanks
- av valves are anchored to the wall of the ventricle by chordae tendinae, multicusped valves while semilunar valves do not have chordae tendinae, but are more similar to valves in veins. positioned on the pulmonary artery and the aorta both have the same function of prevent backflow of blood
- Q:My Rodeo 96 has a P0440 code (Evaporative Emissions Control System problem). I have visually inspected the hoses on the engine; double-checked the gas cap is tight; but have not looked at the fuel tank sensors and connections. I've noticed that the EVAP canister purge valve solenoid is switching non-stop (click-click-click noise without stopping). Is it the expected behavior?
- P0440 Isuzu Rodeo
- Q:Com wires attached to com and all individual valve wires are attached. The valves work manually( turn on by hand), I open the valve to allow the box to take over and the sprinklers run. Is this just residual water in the lines??
- I would test the leads inside the control box first... You will have to run the controls manually to troubleshoot the problem. Get a voltage meter to test for the 24 volts at the transformer connections inside the box... If you do not have the 24 volts then the problem will be the transformer. If you have the correct voltage from the transformer then you can test each of the station terminals to common. Test through each station to see if you have 24 volts at each station terminal, but you may have to remove the wires off to test. If you do not have power coming from each station… then the problem will be the rain bird control. The next step would be testing the wires… If you reconnect the wires… test just prior at each valve location to see if you have the 24 volts between the common and each station wire… if you can prove out that there is 24 volts at this location then you’re down to the final testing. Reconnect the valves – one side to the common and the other to each station wire… Getting the power (24v) to the valve should have cleared your problem. Good Luck… Running the valves manually will not affect the operation of the rainbird control... but with my rainbird valves.. you can shut off the valves completely and disable the electrical controls of the valve... make sure that you have not closed the valve off manually preventing the electrical side... a problem with rainbird controls. This does not have anything to do with residual water in the lines... I would test this side first before you get into the electrical side... could save you a lot of time.
- Q:Hello all,I have a1990,BMW 525i.I bought this car from another guy about year back and drive around 13000 kms.1.Do i need to adjust the valves(both inlet and outlet).2What is the importance of valve adjustment3Does it affect the mileage4.As a regular maintenance for how many kms can i drive without valve adjustmentExpecting your valuable replies.
- um...yes, no,,no and yes. no really all i know is correct clearance is important and if incorrect, it can do some damage. it does affect mileage, and both intake and exhaust need adjustment and i would recommend a professional technician. it is sometimes difficult for even a pro to adjust valves. i don't do it often at work, but had some trouble on my own car. had to remove the cover and change a couple cuz they were noisy after made the first adjustment.
- Q:ok, after lots of exploring around online and from some great answers from this site I have found the problem to my explorer. The torque converter solenoid mounting clip broke. thats it!! new question, do i have to take off the valve body to remove the solenoid. If so any tips? its way new territory for me. I hate automatics!!
- What are you? 9 years?
- Q:Hi guys, my parents had me install a new faucet in their kitchen sink. It works great and everything, but after the install the hot water pressure basically decreased greatly. The cold water pressure is fine, but I believe after I had turned off the hot water at the shutoff valve, something in the valve got messed up and is blocking the water supply.
- Kitchen Sink Pics
- Q:Specify eight technical requirements that you would consider important, when deciding upon a particular control valve?
- 1] I assume that by control valve you mean a variable orifice valve, not an on/off valve. 2] An answerer to your other question listed Metallurgy, temperature, pressure and shutoff requirement To which I note that if you need a tight shutoff you should not trust a control valve to do that, but should add an on/off valve in series. Also, metallurgy covers corrosion requirements but not obviously so 3] To which I add: flow rate [or Cv] and pressure drop fail open or fail closed response time signal input [3-15 psi, 4-20 mA, 1-5V, etc] connections [ie, fitting type] packed vs sealed might need to look at hard seat materials and/or replaceable seats, to control erosion reliability, ease of maintenance, availability of spares, timing on that vendor permanence [ie, are they entering bankruptcy ?] Cost
- Q:school starts tomorrow that means having band and i havent played it in 2 months (summer vacation) and i oiled the valves and the 1 and 2 valves are stuck the 1st valve comes up slowly when i push it down but on the 2nd valve it stays down how do i undo this???? thank you
- Unscrew your valve, remove the bottom valve cap, and carefully push out the valve with a drumstick or something. Clean the valve off with a cotton swab and some vinegar, rinse it off gently with lukewarm water, oil 'er up, and put her back in. If you've messed your instrument up to the point where your valve caps are all stuck from lack of cleaning, you're going to have to take it to a professional. Don't force them with a tool or anything or you'll strip them. Haha, good luck. Matt
- Q:Surly Pilots don't just switch the fuel selector valve of mid flight
- Do you know for certain that it was, or are you just repeating unfounded rumors? What's your source for this information?
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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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