High Quality F7 type PPR single female threaded luxurious ball valve with brass ball

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High Quality F7 type PPR single female threaded luxurious ball valve with brass ball PP-R ball valve with brass ball size:20*1/2'',25*3/4''

1.Material:Random Polypropylene(Hyosung R200P);
2.ISO9001&ISO14001;
3.Standard:GB/T 18742.3-2002, DIN8077/8078;
4.OEM also ok

Q: Is the ball valve installed in a direction?: Valve installation generally no direction required, any end of the valve can be mounted on the upper end. If the valve marked the direction, then it should be installed in the direction of tagging installed.

Q: What does "DN25 Q41F46-16C" mean?: DN is nominal diameter, nominal diameter (or nominal diameter), that is, all kinds of pipe and pipe accessories of general diameter of 25 mm

Q: Open the pressure relief valve core hole with what: Attention to maintenance methods of eccentric hemisphere valve:1, eccentric hemisphere valve in the closed state, there is still pressure fluid inside the valve body.2 、 before repair, release the line pressure and make the valve in the open position.3. New parts should be cleaned before assembly.4. Remove the actuating mechanism from the support before servicing.5, non-metallic parts cleaning should be immediately removed from the cleaning agent, not long immersion.6, need 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: What do you mean by ball valves dn20pn1.6rf?: DN20 caliber is 20mmPN is the pressure grade, usually PN16, 1.6MPa classRF convex flange connectionYour side should be similar to the Q41F-16 model of this type of ball valve

Q: What does "ball Q41F-16" mean?: Q- ball, 4- flange connection, 1- DC channel, floating ball, F- sealing material for fluorine plastic, 16- nominal pressure of 16 kg, the valve body material for gray cast iron. If you want to know the details of the valve named model establishment, can refer to the JBT-308-2004 standard.

Q: Here, the original water leakage, has not been closed, recently closed for other places, twisted two times, and now it is so,Ball valve leakage of this place, how do? Here, the original water leakage, has not been closed, recently closed for other places, twisted two times, and now it is the case, how can I ask?: It may be there when rust, so the Water Leakage, move it off slowly, rust, water Heicha out.

Q: One stainless steel ball, two pieces, three pieces of difference, use: Three piece ball valve has the following advantages:1., the fluid resistance is small, and the coefficient of resistance is the same length as the pipe section.2., simple structure, small size, light weight.3., close and reliable, at present the ball valve sealing surface materials widely used plastic, good sealing, vacuum system has also been widely used.4 easy operation, open and close rapidly, from fully open to fully closed as long as 90 degree rotation, facilitate remote control.5., maintenance is convenient, ball valve structure is simple, the sealing ring is generally active, disassembly and replacement are more convenient.6. in full open or full closed, the ball and valve seat sealing surface and dielectric isolation, the media through, it will not cause erosion of the valve sealing surface.7., a wide range of applications, from small diameter to a few millimeters, large to several meters, from high vacuum, high pressure can be applied.

Q: What's the difference between air valves, butterfly valves and ball valves?: On the pipeline, mainly from cutting and throttling.Butterfly valve headstock is a disc shaped disc, in the valve body around its own axis of rotation, so as to achieve the purpose of opening or closing or regulation.Ball valve: opening and closing parts (sphere) driven by the stem, and around the square ball valve for the axis of the rotating valve.Shanghai Guardian valve, all types of valves are industry-leading.

Q: Is the two piece ball valve in the direction of the pressure pipe?: First of all, the difference between a ball valve and two chip, three chip ball valve is a ball valve flow, the internal structure of the necking design belongs to the design, the same diameter ball valve products must be smaller than the other two kinds of ball valves flow more.

Q: Structure design principle of fire ball valve: 5 ball valve seat structure typical fire abroad professional production company common pipeline ball valve seat structure design of typical figure 9 - 12 shows, each seat structure fireproof structure design is reasonable, to ensure the seat piston effect of the sealing ring and the valve seat seal failure, valve seat leakage way at least. Figure 9 rubber sealing seat 1 to the left to the right in Figure 10 | rubber sealing seat 2 to the left to the right | Figure 11 rubber and plastic combined sealing seat to the left to the right in Figure 12 | plastic seat to the left to the right seat | fireproof structure design reasonable, can guarantee the way upstream pressure medium through the valve seat leakage at least fire, the best performance. In the design of fireproof structure of pipeline ball valve, the fire protection structure design of valve seat should be paid more attention to. The seat of fire with reasonable structure is the fundamental guarantee of fire safety in the pipeline valve in practical engineering, reasonable assessment of structural fire protection should be strictly in accordance with the API6FA/API607 standard fire test, test samples should not be sample makers, should be the verification institution with sampling, so as to ensure the rationality of the third party authentication and notarization of.

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