API Cast Steel Check Valve Flange RF 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:
- 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:i was thinkin i needed rings cause my car was smokin like hell and had a bad compression test on one cylinder. anyways i got the head off and my valves are caked with black **** all down one side and the others are completely white. i dont know if when the car turns off if they're supposed to seal but four of them were about a quarter inch off the head. before i tested everything i was smokin like hell and barely runnin and you could hear a knockin sound in the exhaust at the rear of the car. could the head be the problem or still sound like rings??
- thats the oil being burned...its either bad rings thats why ur burning oil or bad valve guides...a ring will fail first before the guide
- Q:is a 4 cylinder 16 valve.... 5 stars for the best answer....
- www.okorder / 1999 Valve Cover Mazda Miata MX5 A 07-204 $100 Maz-Toy Auto Recycling -PAR USA-OR(Troutdale)
- Q:Can a dirty or faulty EGR valve cause overheating. My 2001 PT Cruiser is overheating but only on very hot days and when the air conditioning is on. Back flushed and pressure tested the radiator, changed the thermometer, fluid was low but doesn't seem to be loosing fluid since refilled. Check engine light came on and indicated poor air flow through the EGR valve. Is it worth replacing prior to pulling the radiator to check that for the problem with overheating? Mechanic I trust doesn't think the EGR can cause overheating.
- A bad EGR valve can cause a lot of headaches, poor running, bad idle, stalling, etc. One of the few things that it can't cause is overheating. Completely different systems. (side note, make sure that the problem isn't with your EGR sensor, and not the valve). For overheating, here is the diagnostic path: 1: Check for leaks, and that fluid levels are OK. 2: Check for bubbling in the radiator / resivour (while running the engine). Bubbles, especially at high RPM's can indicate a blown head gasket. 3: Check that the thermostat opens. To do this, start a cold car, and place you hand on the upper radiator hose. With gloves on, squeeze it. Wait for a few minutes until the engine warms up. The upper radiator hose will get hot and firm. This indicates that the thermostat is working and the water pump is working. 4: Keep the engine running, and make sure that the cooling fan starts up. Keep your fingers away from the fan. 5: If you can SAFELY do it, reach to the front of the radiator and carefully feel for cold spots on the radiator. If there are cold spots, that means that the radiator is plugged, and needs to be swapped. Good luck.
- Q:Also, Is a pneumatic control valve an ATC or an ATO; is it a FO or FC valve?
- Atc Valve
- Q:Is there something else i can use to lubricate my trumpet valves besides valve oil....I don't have any at the moment but really need to lubricate the valves.
- I found vasaline worked if you're on a tight budget, but baby oil works better.
- Q:i have this valve and its really stiff i was wondering if there's a way to loosen it up a little its a KBI Ball Valve baught at Ace hardware and it looks like their might be a way of adjusting it i just dont know how
- Kbi Valves
- Q:If I buy one of those Presta valve adapters can I just screw it on and leave it on while I ride? Will I lose air pressure at to fast of a rate?
- If ya want to leave an adaptor on you could. I would close the valve though. That way you would have the adaptor always available. It only takes a few seconds to open the valve to fill the tire. Or, like most people, simply buy a punp that fits presta.
- Q:please i want theory of MOTORIZED VALVE ? COURSE TITLE : MEASUREMENT AND CONTROL EXP. TITLE : CALIBRATION AND CHARACTERISTICS OF MOTORIZED VALVE
- Valves Either control valve or shut off vales operated by electric motor is called Motorized valve. Close the vale see it is closed Open the vale at different positions say 5% 10% 15% etc and see the control signal and the actual opening.
- Q:I am looking at buying a 2001 Pontiac Bonneville and the guy said the car's check engine light says it had a problem with the EGR valve and so he bipassed it somehow. He said a EGR valve isn't needed. Is this valve very important or needed? What does it do? Thanks
- I agree with Thumpin8....98%...... Main problem is if you run Unhooked or bypassed and Running rich will cause more problems.... Will burn out your Oxygen sensor next Then fault codes will double up in your ECM PCU programs Then running rich, injectors might over presure at the wrong time. That when your fuel mileage get even worse.... Good Luck.... Pass on the car.... If he says the EGR is out most likely has 3 running problems by now Stating EGR is not needed....
- Q:My car hesitates on the highway 55 m/h and up after about 20 minutes of highway driving, I unplugged the EGR valve to see if it still hesitates, but the problem went away after disconnected the Egr, so is it for sure that the valve is bad? Just wanted to make sure there's no other component that could be also be bad. I have a toyota avalon 1997.
- You might be able to get the valve cleaned by spraying cleaner in it or by emersing it in solvent. Check the repair manual and consult with an experienced mechanic. I don't even have a ball park figure of what a new one would cost.
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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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