Full Welded Forged Steel Ball Valve DN 10 inch
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- 10 pc
- Supply Capability:
- 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.
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- This is a very common problem and you will need to reclaim the freon and replace the service port only and not the hose, however you will need a special socket to remove it or you will damage the hose as well as the new valve......... After you are finished you will need to evacuate and recharge the system complete and dont for get to add refrigerate oil back as well.
- Q: Hi,I have a 2002 Honda Accord with 115k miles which recently gave a ECL. The Honda dealer identified this a P1457 and says that the EVAP bypass solenoid valve needs to be replaced1) is this referring to this valve?
- Hi so what do to expect here it is well past the 8 years life a car is meant to last and well over the 100k miles also a lifetime this car was meant to expire at. so yes from now on it becomes something of a money pit.
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- Number okorder /.. The picture shows circles inside circles. Think of the larger circle as the cylinder and the smaller ones inside, as valves. In the first one the open area of the valves is 50%. In the second one the open area of the valves is 62%. In the third one the open area of the valves is 68%. And in the fourth one the open area of the valves is 69%. The more open area, the less restriction to flow. This means your engine will pull in more air, which provides more power.
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- There will be a breather, and a PCV valve. PCV valve is the one with the hose to the TBI (not air cleaner) and has the PCV valve stuck in the valve cover. Note that PCV valves almost universally never fail, so not sure why you are asking...even one of the GM service manual tests of the PCV is to remove it, and shake it. If it makes noise, it's good.
- Q: any flash files explaining valve operation maintenance will be very much helpful
- Pressure okorder /
- Q: And' the valve leaks......Can the valve be unscrewed from the tank for replacement? Or can the valve be serviced with a new gasket perhaps?
- If it is a regular brass valve, you will have to drain the tank first, then replace the washer in the valve with one rated to be used for hot water. You replace the washer just as in any valve by removing the bonnet and stem. there you will see the washer. You may want to clean the area of any calcium carbonate that may had developed on the seat before putting it back together. If you decide to replace the valve, it is a 3/4 inch male NPT hose bib valve rated for hot water service. Personally, I've always thought that if I ever had to change one of those valves, that I would replace ti with a good ball valve that had a threaded hose end screwed into the discharge end for better drain flow. The whimpy valves that they put on water heaters is pathetic! If you use your favorite search engine and just search for water heater drain valve, you will find all kinds of cool replacement valves!
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- Any sort of valve surgical technique includes exposing the aorta of the midsection, hence it rather is one among those open heart surgical technique. over the years, this has replace right into a incredibly simple technique for heart medical doctors and it has a fulfillment fee of in simple terms approximately 80-ninety 5%. there is an threat which you may choose yet another surgical technique afterwards, yet that purely happens in approximately 5-10% of sufferers that get the surgical technique. The survival fee for this operation is extremely extreme and purely 5-10% of sufferers adventure any undesirable outcomes throughout the surgical technique. This consists of an infection, stroke, allergic reaction, or bleeding. i'm going to keep you in my prayers Alex. maximum suitable of success to you!
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- Thermal Bypass Valve
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- In 95 plus percent of cases so-called mitral valve prolapse is a normal variant. If yours was other than a normal variant your cardiologist should have discussed this with you. As such I would not worry. JR
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Full Welded Forged Steel Ball Valve DN 10 inch
- 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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