full welded forged steel ball valve PN 10 Mpa
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- 100 pc/month
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Design Features of full welded forged steel ball valve
The body of ball valve is full welded,selects high quality forged material,and adopts the advanced forged forming technology to form two semi-spheres which are welded into a whole in the middle of the body.This welding technology differentiates the ball valve form others,and makes the valve more spherically,so the valve structure is more compacter,lighter and stronger.Besides,the middle direct welding realize highly accurate valve body manufacturing,makes fully and completely sealing between the seat and ball.The full welding instead of bolts completely avoids the outside leakage,so ball valve is the ideal product for under-ground,offshore working platform and under-sea equipments.
Adopting fixed plates or trunnion to support the ball
The top and bottom of the ball is supported by upper and lower fixed plates or stem and trunnion,and the ball is accurately placed in the center of the ball valve to achieve complete seals and precise movements.When plate adopted,the force exerted by the medium to the ball is distributed via the plate to the left and right bodies,so that the stem does not bear the blending moment from the medium,but only the torque from the ball rotation during the opening/closing of the valve.The low-friction PTFE Teflon composite bearings installed between the ball axis and fixed plate and between the stem and the trunnion can absorb ball moving action caused by the pressure of the medium.This structure brings stable actions and easy operations for the ball valves,and the required operation torque can be reduced,so smaller actuators can be used,and the cost is cut down.
ball valve seat is floating structure,means the seat can move along the medium direction,so that the seat can fit against the ball all the time.
（Ⅰ）Double piston effect structure seat of full welded forged steel ball valve
Seat design is special double pistons effect structure,it can ensure the seal wherever the medium flows into the ball valve.
（Ⅱ）Seat multistage seal strucute of full welded forged steel ball valve
As following graphic instruction,on seat bearing ring,set two soft sealing rings(A and B)and metal sealing spherical surface which can seal with the ball.Seat ring A is spring loaded,which seals the surface with the ball tightly to the surface to form an initial seat;When there is pressure generated from medium,the piston force is generated to make seal ring A elastically deformed and seal ring B fit the surface of the ball surface due to the piston effect caused by area difference,thus the second seal forms.When the medium pressure is rising.It will generate huge pressure to seal ring A and seal ring B,so the two seals have a greater elastic deformation,then metal seal ball surface compact with ball surface to form the third level of metal to metal seal.
（Ⅲ）Secondary seat seal device of full welded forged steel ball valve
As the above graphic instruction,the secondary seal device(seat grease injection valve)can be chosen according to the actual working condition,medium requirement,seal requirement,etc.Seat ring grease injection valve is a one-way valve,installed on the body,which can prevent the leakage and inject grease under the outside force.When secondary seal is required,there is a grease injecting channel and hole on the seat ring.The grease can form a seal between the seat and the ball,and then stop the leakage.
Standards Applied of full welded forged steel ball valve：
Design Standard | API 6D customize |
Connection Standard | ASME B 16.25-2007 ASME B 16.5 ASME B 31.4 ASME B 31.8 DIN GB、GB/T JB、JB/T JIS customize |
Test Standard | API 6D customize |
Face to Face | API 6D customize |
Pressure-teperature rating | ASME B 16.34-2004 customize |
Marking | MSS SP-25 customize |
FAQ of full welded forged steel ball valve:
Q1:I can’t find the type of steel check valve which I need. what can I do?
The chart above only lists out some common composition of steel check valve parts.We may provide other different parts material composition according to the customer's request or the actual valve working condition.
Q2:Which certification do your products pass?
Our products are in accordance with ISO 9001、ISO 14001、API 6A、API 6D、TS CE、API607/6FA/BS6755.
Q3:How can I place an order?
The only one thing you should do is to tell us the sepecification about type 、quantity and mode of transportation, then we will send you quotation within 24 hours.
- Q:I want to change a stuck pcv valve on my 86 toyota pickup 22RE. I've used tons of lube and picked away at the grommet but i still can't get it out. Any advice?
- the grommet is being replaced so do what you have to to get the valve out. id grab a hold with a pair of pliers and go that route.
- Q:Ford Capri 2.8 injection. I need to adjust the valves, so need to know how to tell if the valves are tipping and at what exact time I need to adjust them.
- valve tapping what is valve tipping search yahoo answers for valve tapping i saw a resolved question about how to fix this problem
- Q:Does the new valve get glued or anything or do I just put it on tightly? I cannot tell if the existing valve is glued on or not.
- Is the new valve or the old valve the compression type? If the old valve is then as you take it off you will discover if it is glued (I doubt a compression valve is also glued). Replace the old valve with the same type as the old one. That is always a good rule of thumb to follow. Put it on tightly but DO NOT over-tighten it. 1/4 turn past tight it usually tight enough. I am not a big fan of compression fittings in either copper or cpvc. You may wish to put a glued valve on, if you already have the cleaner, the primer, and the glue, other wise the expense of the materials does not warrant their purchase for the changing of one valve.
- Q:my valves got dirty long story how do you clean them
- Remove the valves, wash them and the horn in warm (NOT hot) water with liquid dish soap. Dry with a clean towel, then oil and reassemble.
- Q:My grandfather is going in for a valve replacement.. and I'm really worried about him.. I just want some information.. any good websites if you have them.. I looked on google.. But if you have any good ones that would be great..No horrible comments please..
- Please see the webpages for more details on Heart valve surgery, Mitral regurgitation, Aortic stenosis, Aortic insufficiency and Artificial heart valve. There are four main valves in the heart. Mitral valve connecting left auricle and left ventricle. Aortic valve situates in the left ventricle at the beginning of the aorta, the main artery of the human body. Tricupid valve connecting right auricle and right ventricle. Pulmonary valve situates in the right ventricle at the beginning of the pulmonary artery carrying the impure blood to the lungs. (1) The valves may adhere together, causing a narrowing of the valve opening and obstruction to the flow of blood. This is usually known as stenosis of the valve. (2) Because of the loss of elasticity and distortion of the valve the latter may not close proerly, so that a leakage or regurgitation of blood results.This is known as incompetence of the valve. Chronic rheumatic valvular disease may affect all the valves of the heart but the most commonly damaged are the mitral and aortic valves. Mitral stenosis and aortic incompetence are the conditions which most commonly arise, although mitral incompetence and aortic stenosis also occur. Quite often, mitral stenosis and aortic incompetence develop in the same person.
- Q:why do new motorcycles need to get their valves shimed alot? can someone explain how the whole valve adjusting thing works? why do some engine types require more attention? i have owned thumpers my whole life and never really thought about it. i was looking at this like cheap beater bike (hyosung gt250 v twin) and i read the valves need to be checked like 3 times in a short span, wtf??
- Your prospective Hyosung may require some more frequent adjustments because the initial wear on its machined surfaces would still be polishing each other off.... surfaces like your hardened valve seats against the sealing surfaces of the valves... Or, the hardened surfaces of the cam lobes against the rocker arms. If your Hyosung's engine has been properly engineered, then its components have been properly case hardened. After their initial microscopic machined imperfections have been polished smooth, they shouldn't have to be checked as often. The Hyosung 250 was designed in Hamamatsu Japan by the same people who design Suzukis. It should turn out to be a great motorcycle. Perhaps frequent valve checks are because it's high revving and air cooled.?.? I owned an air cooled KZ550 Kawasaki, once. It required valve checks every 3000 miles. On the other hand, my wife has a 2007 Corolla. It has a low revving, Double Over Head Cam, 4 valve per cylinder LIQUID cooled engine. It requires valve adjustments every 60,000 miles.
- Q:Hey,Recently purchased a 2006 Audi A4 2.0T Q S-Line. Loving it so far but i can barley hear the blowoff valve if at all. So i am in the market for the loudest blowoff valve. I realize its a very tiny turbo but id still like to hear it and maybe even turn some heads. If anyone can help me out i would greatly appreciate it. Thank you
- first off dude, it comes stock with a diverter valve. ive been doing research and so far the best thing ive found to get it loud is to upgrade the diverter valve and get a spacer (all forge) if you dont wanna spend that much then idk what to tell you. chipping your car improves boost so that would help too, also a cold air intake could improve it. all together and youll turn some heads. i have the same car just not s-line mines quartz grey :) good luck bro rick from philly
- Q:My fiance needs his aortic valve replaced. He is 40 yrs old otherwise healthy. I am wondering how long he will be in surgery, how long he be in the hospital and any other info about having this surgery.
- This is major heart surgery that is done on bypass (cardiopulmonary bypass, meaning the heart and lung machine. This is very serious. He may be in the hospital for a week or more. He may need cardiac rehab to gradually be able to do simple things.
- Q:My check engine light is on in my 1999 Toyota Camry XLE...I went to autozone and they told me it was my egr valve BUT they did not tell me if it need to be cleaned or replaced. How can I tell if it needs to be cleaned or replaced
- Flag is right. You should of got the code from AutoZone and posted it here. A trouble code can have several meanings and the salesperson just gave you his best interpretation with his limited knowledge. You either had a P0420, P1410, P1411, P1661 or P1662 code. More than likely it's EGR Valve Position sensor or EGR Vacuum Solenoid depending on the code. It also can be the wires or connectors that plug into them or one of the vacuum hoses to them. About a $40-$70 fix if you do it yourself. You can pull the EGR valve off to inspect it but you need to replace the $1 gasket under it when you are done. On old poorly maintained engines they can clog up with carbon deposits or the vacuum diaphragm can rupture. You can apply vacuum to the valve manually and see if it opens while you have it off. If you have good lungs you can do it with a piece of hose. :) If it works then it's not getting vacuum and most likely it's the EGR Vacuum Solenoid that opens and supplies vacuum to it. The EGR Valve Position Sensor tells the Vacuum Solenoid to open via the ECM. See if you can't get the code and post it.
- Q:if safe, at what age should a woman with mitral valve prolapse be pregnant?
- definite you could nicely be in threat, and in case you get implants you will ought to circulate to surgical treatment each and every 10 years because of the fact the implant can go down or in specific circumstances it could explode so i prefer to advise to no longer do it
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full welded forged steel ball valve PN 10 Mpa
- 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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