• API Cast Steel Check Valve  300 mm  in Accordance with ISO17292、API 608、BS 5351、GB/T 12237 System 1
  • API Cast Steel Check Valve  300 mm  in Accordance with ISO17292、API 608、BS 5351、GB/T 12237 System 2
  • API Cast Steel Check Valve  300 mm  in Accordance with ISO17292、API 608、BS 5351、GB/T 12237 System 3
API Cast Steel Check Valve  300 mm  in Accordance with ISO17292、API 608、BS 5351、GB/T 12237

API Cast Steel Check Valve 300 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: please i want theory of MOTORIZED VALVE ? COURSE TITLE : MEASUREMENT AND CONTROL EXP. TITLE : CALIBRATION AND CHARACTERISTICS OF MOTORIZED VALVE
Limitorque Co. has been a leader in the valve motorization field for decades. Here (below) is one of several web sites where you can find their conventional and modern control techiques.
Q: What are the types of control valves used in the oil industry and how are they applied.
There are other manual control valves and on/off automatic valves that are used a various places for remote or emergency control. These can be globe, gate, ball, plug or butterfly valves. They can be actuated by pneumatics, hydraulics or electric power.
Q: Situation: The males in my family have mitral valve prolapse, while I do not.If anyone could answer some of the following questions, it would be amazing! Thank you so much!1. Is this an X or Y chromosome disease? (I thought since it was just guys, it'd b Y)2. If so (or not), is there any reason why I don't have it?Thanks again! (:
Dear Madam, I am a cardiologist sending this article for you. Hope it helps you. Mitral valve prolapse, sometimes called MVP, is a common heart valve disorder. The mitral valve is between the left atrium and the left ventricle of the heart. It has two leaflets (flaps) that control the blood flow. MVP occurs when one or both of the leaflets are enlarged or have extra tissue. MVP is usually harmless. However, major complications can occur, including a blood clot in the brain and an infection called infective endocarditis involving the mitral valve as well as other valves. MVP appears twice as often in women as in men. It is most commonly a hereditary disorder. Some people with MVP have no symptoms. However, most patients experience a rapid or irregular heartbeat, shortness of breath, light-headedness, and chronic fatigue. Many patients also suffer from migraines, eating and sleeping disorders, an overactive or inflamed thyroid gland, diarrhea, and cold hands and feet. Emotional stress often magnifies the symptoms. Doctors generally prescribe regular exams and aerobic exercise for people who have MVP. Patients also are advised to restrict their intake or use of high-carbohydrate foods, caffeine, and decongestants. Some patients may need beta-blockers and specific antiarrhythmic medication. More severe cases may require surgery to repair or replace the valve or to insert an electronic regulator, such as a pacemaker or defibrillator.
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)?
Valve is about $100 at dealer, $40 at Autozone, give or take, and it should take about 30 minutes, so I would guess about $150 max. I have same problem with 2002, trouble is it's on the transmission, and not that easy for a DIY. As to changing it, mine has caused the check engine light to go on, but has in no way effected the car, so I haven't bothered to change it yet.
Q: Is it supposed to go on or only in cases when the power goes out??? I bought this pump and the directions are horrible!!! There isn't room for both the air stone and the check valve!! How does this stupid thing work???
Keep okorder /
Q: i recently adjusted my valves on my 01 civic with a 1.7 sohc vtec motor and i did it to the specs under the hood and i didnt have them too tight or too loose on the feeler gauge and they are pretty loud are these motors just that noisy? has anyone else adjusted them to something different that works better?
The dude above is physically powerful, yet incorrect on the fee. you may get an entire swifter equipment for about 1k, a reliable setup will fee a million.5k to 2k with injectors, gasoline pump, a turbine, and an intercooler. 01 are heavy and not super to do mods to, additionally d16 sucks inventory, so which you're able to additionally could desire to yet internals with expenses 900 for the aspects (pistons and rods). entire could be 2k to 3k for an extremely super setup for 250 to 300hp
Q: I was diagnosed with Mitral Valve prolapse...I'm 21, 5.5 tall and 130lbs, I had a healthy lifestyle...my doctor said that my case isn't really sever..but i'm taking medications to keep it this way...something i cannot ask my doctor about, would intercourse be harmful to me? and how should I deal with it??? is it okay for me to have children in the future? and could my MVP be cured without surgery??
You can lead a normal health life with MVP. What it is is the valve between the left atria and left ventricle doesn't close fully like it is suppost to and some blood seeps back into the atria when the blood is being pushed out of your heart. MVP is more common then you think. The doc even said to you that your case isn't really severe. MVP cannot be cured without surgery at this time. However you'll be fine. Just keep to your doctor visits as scheduled to keep tabs on it.
Q: How do you know if you need a new EGR valve or if you just need to clean it?
Usually it the car runs like crap at idle and beautifully any other time and you can't clean the EGR but cleaning the port in the intake sometimes helps for a check engine light with no running problems But as others said, the EGR is usually monitored with a sensor on or near the valve and the parts houses that do the free scans have a habit of convincing you the part they can sell you will fix it when usually it won't... Take it to a real mechanic shop, let them diag it for you
Q: i need exhaust valves material dimensinons of any car.
Most valves are made of forged steel. The dimensions depend on what car. You can get a factory manual for any car. Call a motor shop to order them. Don't try to make them yourself.
Q: Where do I get a electric valve with a 120 VAC coil
ASCO okorder is another vendor, though Grainger is good. If your budget is tight you could remove one from a dead dishwasher or washing machine.

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