Pilot Operated Check Valve
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FAQ
- Automatic water tower water reflux, plus a check valve not supposed
- Check the direction of the installation is correct, check valve quality is good, you can install two check valve. Check valve refers to rely on the flow of the media itself and automatically open and close the valve flap, used to prevent media backflow valve, also known as check valve, one-way valve, counter flow valve, and back pressure valve. The check valve belongs to an automatic valve, whose main function is to prevent the backflow of medium, prevent the reverse of pump and drive motor, and release the container medium.
- To prevent water meter rotation, where should the check valve be installed?
- Do not pack more than 35 of the weak currentChasing the answerShould be installed at the outlet of the water meter (that is, water to the other side of the room)
- In the water supply system, water pump and water pump without check valve, a water output to another without pump water pump, effect of rotation, it will cause what kind of damage to the pump?
- The main function of the check valve is to prevent water hammer, and the impact of water hammer on the drainage system is fatal.
- How can the fast closing noise check valve prevent water hammer?
- Quick closing silencing check valve prevents water hammer principle:Once the pump stopped, check valve spool in the spring or other auxiliary device for double end under the action of force balance in advance to the closed position, can greatly reduce the amount of water and initial water reflux falling height, water hammer force is calculated by gravity superposition, reduce the amount of return equal to the reduction of gravity. Fall short height reduces the inertia time is also relatively reduced speed, and can prevent the formation of destructive or reduce water hammer water hammer.Quick closing and silencing check valve and silencing check valve is to rely on the flow of the medium itself automatically open and close the valve, backflow valve to prevent the media, also known as check valve, check valve, silent check valve reflux valve, and back pressure valve. The check valve belongs to an automatic valve, whose main function is to prevent the backflow of medium, prevent the reverse of pump and drive motor, and release the container medium. The check valve can also be used to provide a supply to the auxiliary system where the pressure may rise above the system pressure. The check valve can be mainly divided into swing check valve (rotating by gravity center) and lift check valve (moving along the axis).
- How much pressure is the check valve h47x-10q?
- Check valve h47x-10q is 1.0MPa pressureAccording to the provisions of the JB/T 308-2004 valve type programming method:H== check valve4== connection: flange7== structure: butterfly typeX== sealing surface material: Rubber10== pressure rating: 1.0MPaQ== body material: ductile iron
- The check valve on the air pipe is installed in front of the fan and is there any difference in the back (direction is correct)?
- The principle is feasible, but the opening is definitely lagging behind, it will lead to poor ventilation, it is not recommended.AskOh, well, I see. I'll put him in the front. But in this case due to installation problems, only to fan up.
- Can the swing check valve stand upright?
- Swing check valve, vertical mount, horizontal loading can be.Ordinary lift check valves shall not be erected. Lift check valves with springs can also be mounted.
- Why can't parallel check valve be installed firmly?Anonymous browsing | 51 times
- The vertical installation is easy to cause the valve core of the check valve to clamp off or fall off, and lose the function of checking back. The direction of the check valve is restricted seriously from any direction of the medium
