API Cast Steel Check Valve 200 mm in Accordance with ISO17292、API 608、BS 5351、GB/T 12237
- Ref Price:
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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 woundering if anyone had a repair manual for this valve on a 2004 Nissan Maxima. I just bought the car and Im getting the P1800 Code. Any help would be appreciated!
- This is NOT a very serious problem. You have an ADJUSTABLE intake runner on this engine. THere is a vacuum operated CONTROL valve very visible with the hood open. It SHIFTS a doorway within the manifold to alter the path of incoming air. THere is a SOLENOID that controls this FLAP IT ALSO is easy to find in plain view if you follow the VACUUM to the valve. Many times ths VACUUM hose itself has collapsed, a VERY cheap repair. WOrst case scenario is to repalce either the SOLENOID or the actual VALVE. It has a rubber diaphragm within it. JUNK yards may have good used ones. You can remove the VACUUM to this valve, and try sucking on it to see if the valve MOVES the flap[ hidden inside the INTAKE MANIFOLD. EZ test, EZ fix. GOOD LUCK!!
- Q:Alright. The engine is a 7mgte. The clearances for the skims in the intake side is 0.20mm and the exh side is 0.25mm. What happens if i mixed the shims?
- What do you mean if you mix the shims? Like switch the shims between the two valves? If that's what you mean then you could be causing the clearance to become really small on one side and really big on the other. Just check the clearances with the engine at TDC or on the heel of the cam lobe and you should be fine. The tick tick noise would either come from to big of a clearance or no oil. So I guess the simple answer would be nothing would happen if you mixed the shims except the clearances would change. Thumper This engine doesn't use pushrods or lifters. The cam pushes down on the valve with with shim overbucket design
- Q:1990 5.7l with a .470 lift cam , is there going to be a clearance issue between the valve guide and the valve. Is the rocker going to bottom out on the guides and bust my heads.. If so what should i do.
- Get yourself a degree wheel and check. A valve stem usually has about 1-1/2 thousandths of an inch of clearance between it and the guide to allow movement and lubrication. Your camshaft has no bearing on this clearance. If you want a wild guess as to whether or not you might get coil bind in the springs, rocker bind against the rocker stud or even valve spring retainer smashing into the top of the valve seal then my guess is not, not with just .470 lift. Probably would take more like .500 for any of that to happen.
- Q:Hi, I was told by my gardener that I need new sprinkler valves and each of those run about $50-70. I looked up online and I found them for $20 or less. Also what is the basic labor cost for getting them installed? I got estimates that range from $300-1000. I am confused.
- they screw in and out, acouple of wrenches, a shovel, a roll of teflon tape, all less than 300$
- Q:I just fixed a clog in my bathroom sink by taking off the p-trap. I had turned off the water valve beforehand, and when I was done I turned it back on. After this, all that came out of the faucet was a trickle. Turning the valve in the off position does not stop the trickle. When I first turned the valve off before taking off the pipe, the valve was not turned all the way left or right. It was in the middle, but the water flowed fine. When I turned the valve all the way to the right, the water shut off at the faucet. My apartment is pretty old. Is this valve most likely broken?
- Being old plumbing, when you turned off the valve (which you did not need to do to work on the drain) debris probably broke loose in the water line. Turn the valve to the off position again. Disconnect the supply tube above the valve. Hold a rag over the top of the valve and turn it on and off a few times. this should tell you if there is a clog and may clear the debris out. Good luck.
- Q:Hi there - We have an old house with galvanized steel pipes. Our main water shut off valve leaks -- the leak is from the packing nut. A plumber came out yesterday and tightened it, and it now barely leaks at all, maybe one drip every 24-48 hours (which it probably has been doing for the 6 years we have lived here, we just didn't know when we bought the place). Rather than replacing the whole valve (which, apparently, has a high liklihood of breaking the pipes in the foundation, requiring jackhammering and whatnot), we are thinking of installing a new shut off valve higher up on the pipe, where I guess it's less likely to break. If we go for the second valve, is there a way to close up that old valve (hydraulic cement, tape, solder, etc.), so it doesn't leak at all? The tiny leak is coming from the stem of the handle - can we remove the handle and cap it off or something? (And thanks to those of you who answered my husband's question about the pipes yesterday!)
- There is a very simple fix to your problem. Get some teflon tape, turn off the valve, back off the packing nut all the way, twirl the tape into a thread (about 4 to 5), wrap it around the stem, reinstall the nut and snug it up. Done! While there is special graphite packing for this purpose, it is usually hard to find and works no better than the tape. You can apply a small amount of vasaline to the stem before you put on the tape to make the valve operate more easily. Only tighten the nut enough to keep it from dripping or it may become hard to open and close. You can easily add a second valve by removing the pipe above the old one and installing a piece of copper with a valve inline. Some will say you need to worry about electrolysis if you screw an adapter into the existing galvanized but I am sure you will replace the old pipe before that is an issue 20 years from now. Good Luck!
- Q:what to use to inflate self sealing tube with the presta valve?
- Gazoo If you do not have a pump that will accept a presta valve, then you can either buy a presta schrader pump, or a presta valve adapter. I have an adapter in each of my seat bags, they are only a buck or so, and will allow you to use service station air on your trips. Just cause you may not know, the presta valve has a rotating screw inside the valve. So to add or release air you must take your fingers and twist on that knurled circular end so that the presta valve extends away from the valve stem. Then when the tube is filled, twist it back tight to seal it off. Soccerref
- Q:i have an old 79 malibu and its only got a 267 in it. I wouldnt buy new valve covers because its not worth it to me but i was thinking i could clean the ones i got up a little bit. i was thinking of painting them. What kind of paint should i use? and one other thing is the gaskets. I figure while i have them pulled off i should put new gaskets on. I read up about getting all the old stuff off but i was curious still about it. I was just looking at some average ones made of cork for 10 bucks. Do i lay the sealer downthen put the gasket on , then put the valve cover on?
- the best thing i could tell you is clean them good and when you put the gasket on dosent matter if its cork or not, but the silicon ones are better, is that to make sure that the mounting surface's are clean. and have no oil on them otherwise your gonna have a leak. as for the pain clean em good and it really dont matter which paint
- Q:can anyone tell me the difference between Pressure Safety valveTemperature Safety ValvePressure Relief Valveused in a process industry
- Doleful is an adjective which means that it describes a noun. Similar words include: dreary, forlorn gloomy, grieving, lamentable, melancholy, mournful, pitiful, plaintive, sad, sorrowful. It was a very doleful day for Mary when she had to leave her friend behind. Lament is a verb. It means to grieve or to bemoan the loss of something. Frank lamented the death of his beloved cat. Woe is a noun. Other words meaning the same thing are misfortune, sorrow, suffering, grief. misery. Woe to the person who breaks his promise to me. Their woes became unbearable to handle.
- Q:if i put a power valve on my honda xlr 125 would it make my bike have faster acceleration
- Does not apply to 4 stroke motors.
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API Cast Steel Check Valve 200 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:
- 100 pc/month
OKorder Service Pledge
OKorder Financial Service
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