class 400 brass ball valve for Stainless tank, blue, red.

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Product Description:

We have prepared a line-up of durable and highly efficient products for each kind of plant or facility (iron manufacture, nonferrous metals, chemicals, pharmaceuticals, foodstuffs, semi-conductors and liquid crystal apparatus).


Mainly used when attaching insulating materials to plumbing etc. Features an extended handle allowing easy work and re-torquing of gland packing.

Index of products (handled products)


Valves/automatic machinery, Couplers/flanges, Weighing equipment,Pumps/

tanks/fans/motors, Flexible cables/grouping couplers, Pipes/steel materials/copper pipes, Sanitary/filters, Pneumatic components/hydraulicequipment/moveable couplers

Conducting apparatus/bearings/machinery/industrial materials, etc.

Application Norm


Working pressure:1000psi-2000psi

Temperature range: -40°c~+180°c ~ +250°c

Suitable medium:Gas Water Oil Acid


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Q:The difference between gate valve, ball valve and butterfly valve
Butterfly valve plate and the ball valve is rotated around its own axis for movement; valve plate valve for the lifting movement along the axis; butterfly valve and gate valve can adjust the flow through the opening; the ball is not easy to do this.1. The sealing surface of the ball valve is spherical2. The sealing surface of butterfly valve is circular cylindrical surface3, the sealing surface of the gate valve is flat.
Q:Ball valve specifications are represented by 2 FF,
FF refers to the form of connection between the valve and the pipe lineFF, or Flat Face, is a common form of flat flange connection
Q:Electric ball valve installation need to pay attention to what?
High valve valve installation tips using general notes 1, the single pole light to put Ji GUI lice before installing the valve should be cleaning the dust inside the pipe with stiff, welding slag and other impurities; connected with the valve connection standard standards 2, pipeline, operating conditions and valve performance.
Q:PPR which side of the ball valve is open, which face is off
Hello, I am glad to answer for you. O is on, s is off. I hope I can help you.
Q:What's the difference between a ball valve and a ball valve?
Ball, ball, hole, rotary ball, control, closureBall valve and plug valve is almost straight round solid ball.
Q:Calculation formula of ball valve flow
Q=Cd*A* (2*delta_P/rou) ^0.5Among them, Cd is the flow coefficient, generally take 0.6~0.8, you can go to check informationA is the opening areaDelta_P is the differential pressure between the inlet and outlet of the ball valveRou is the density of the fluid
Q:Daily maintenance of ball valve
Longer service life and maintenance free period will depend on several factors: normal working conditions, maintaining a consistent temperature / pressure ratio, and reasonable corrosion dataBall valve in the closed state, there is still pressure fluid inside the valve bodyRemove the line pressure before servicing and leave the valve in the open positionDisconnect the power or air supply before servicingBefore the maintenance, remove the actuating mechanism from the bracketMust be found on the ball valve, the downstream pipeline has been removable pressure, in order to disassemble, disassemble operationIt is important to be careful not to damage the sealing surfaces of the parts, especially non-metallic parts, to remove the O rings. Use special tools when taking apart and re assemblingWhen assembling, the bolts on the flange must be symmetrical and tightened gradually and evenlyThe cleaning agent should be compatible with rubber, plastic, metal parts and working medium (such as gas) in the ball valve. When the working medium is gas, the metal parts can be cleaned by using gasoline (GB484-89). Non metallic parts are cleaned with pure water or alcoholThe non-metallic parts should be removed from the cleaning agent immediately after cleaning and should not be soaked for a long timeNeed to be cleaned by washing the wall after volatile cleaning agent (cleaning agent can not dip silk rub) for assembly, but not for a long time on hold, otherwise it will rust, dust pollution
Q:The valve nominal 1/2, 3/4 is how much?
The 1 point is DN25 mm1/2 is DN15 mm3/4 is DN20 mm
Q:What's the difference between angle valve and ball valve?
The main features of the valve itself is compact in structure, reliable sealing, simple structure, easy maintenance, sealing surface and spherical often in the closed state, the media can not easily be eroded, easy operation and maintenance for water, solvents, acids, and natural gas general working media, but also applies to poor working conditions of media, such as oxygen, hydrogen peroxide, methane and ethylene, widely used in various industries. Ball valve body can be integrated, or can be combination.Angle valve is mainly suitable for heating pipes. Usually a connecting point between the hose and the wall that is attached to the wall and attached to the faucet above. Such as the bathroom taps are generally alternating hot and cold water, will be pulled out from the faucet two hoses, and then connected to the wall, embedded in the wall of the interface is angle valve. Because the heating pipe at the corner of the shape of 90 degrees angle, and the ball valve is straight through, so the basic difference between angle valve and spherical valve is that the angle valve exports and imports into 90 degrees right angle.
Q:What type of ball valve is Q17F-10T?
Q is ball valve, 1 is internal thread, 7 is fixed ball through type, F is PTFE plastic seal, 10 is pressure 1.0MPa, and T is copper or copper alloy body.

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