日志
First, the concentric butterfly valve
First, the concentric butterfly valve
The species of butterfly structure for butterfly valve the stem axis, the disc center, central body in the same position. Simple structure, convenient. Rubber lined butterfly valve that is common in this category. Drawback is due bus tours to the disc and seat is always in compression, scratch status, resistance from the big, wear fast. To amusement equipment overcome the squeeze, scratch, to led flood light ensure the sealing performance, seat basically elastic material such as rubber or Teflon, but also result in the use of limited by temperature, which is why the old idea that the tablet press butterfly does not heat reasons.Second, a single eccentric butterfly forged steel globe valve valveTo address concentric butterfly valve and valve seat of the extruded disc problem, the resulting single eccentric butterfly harmonic balancer valve, the structure for the stem axis deviated from the disc center, so that the butterfly is articulating boom lifts no longer a rotary piston pump bottom plate heart, scattered, reducing the butterfly over the board seat bottom and squeezed. However, due to a single eccentric structures in the switching process of the valve disc and valve seat of the solar panels scratching phenomenon has not disappeared in the application of similar scope and concentric butterfly valve, so it is small.Third, the double eccentric butterfly valveIn the rocker switch single eccentric butterfly valve forming the basis of further improvement is the most widely used of the double eccentric butterfly valve. Its structure both in the stem axis deviation from the center of plastic mould the disc, but also deviate from the body center. Effect of the double eccentric butterfly valve plate can be turned quickly from the seat to substantially eliminate the wooden kitchen unnecessary disc and valve seat over-compression, scratch phenomenon, reduce power cords the resistance from the open, reducing the wear and tear, improve seat life.
Significant reduction of scratching, but dog clothes also makes the dual-eccentric metal seated butterfly valve can also be used to improve the butterfly valve in the high-temperature fields. But because of its gucci sale position of sealing structure sealing principle is that the butterfly plate and valve seat sealing surface for line contact, through the valve seat disc compression elastic discount silver jewelry deformation caused by the sealing effect, it is very demanding on the closed coogi shirts position (especially metal seat), bearing capacity, and this is why people think the traditional high-pressure valve intolerance, and leakage volume reasons.Four, three eccentric butterfly valveTo high temperature, you must use the seal, but the leak volume; to zero leakage, you loewe purses must use the soft seal, but not high temperatures. Double eccentric butterfly valve to overcome this contradiction, but also on the butterfly for the third time eccentric. The structure of the stem in the double juicy couture handbag eccentric position eccentric axis, while the disc sealing surface of the conical cylinder axis deviation in the body axis, that louis vuitton outlet is, after the third time after the eccentric, the disc is no longer sealed chanel handbags section is really round, but elliptical, the sealing surface and thus also asymmetric shape, while the center line of body tilt on chanel handbag the other side of the body is parallel to the centerline.This is the third most important feature is the eccentric fundamentally changed the seal structure, the location gucci handbags is no longer sealed, but the torque seal, that is, not relying on the elastic deformation of the valve seat, but rely entirely on the contact surface pressure of fendi handbag the valve seat to achieve the sealing effect Therefore, the metal valve seat in one fell swoop to prada outlet solve the problem of zero leakage, and because of contact surface pressure and medium pressure is directly proportional hermes handbags to the resistance to high pressure and temperature are also solved.
Blind flange connection method is also jimmy choo handbag associated with iron pipes and pipe connections between the most simple way. The blind flange can be used to check the port mulberry handbags openings. In addition, blind flange connection for φ50-315mm in diameter from the tube replica handbags connection. Its performance pressure reducing valve characteristics: non-rigid connections, removable, anti-pull. Blind flange connection method is usually used as low-pressure pipelines on y strainer the detachable connector. Generally used in the pipeline, in that case, loose bolts can be rotated on both sides of the pipe, then tighten the pipe can milling machine be more easily removable material is called carbon steel flange carbon steel flange, blind flange is two 304 stainless steel sheet large-caliber pipeline connections, usually add a number of fastening the two flange bolts. Is made of carbon steel flange carbon steel stainless steel coil flange. Good plasticity and low strength low carbon steel, after adding an appropriate amount of carbon will become hard, plastic lower intensity. Flange connection may need to withstand very high thermoforming machine tensile, compressive, torsional, shear strength, blind flange is a better choice.Blind flange socket connection method is suitable for φ32-315mm in diameter from the tube reflective foil insulation connection. Its performance characteristics: non-rigid connections, removable, anti-pull. Shorten the installation of socket-type extension pipe connections, you must hot sell handbags use the card for a fixed anchor tube to prevent thermal expansion and contraction in the intubation position in Mobile. Between the floor and the floor in the erect vertical pipe, long nfl discount pipe-line, and the collection of buried pipeline must be at least shorten the installation of a socket-type extension tube. This is because the socket flange blind anchor chain drainage process can not only eliminate the thermal expansion and contraction caused by temperature changes, but also helps with the connection of each floor branch, making the pipe installation easier.
The species of butterfly structure for butterfly valve the stem axis, the disc center, central body in the same position. Simple structure, convenient. Rubber lined butterfly valve that is common in this category. Drawback is due bus tours to the disc and seat is always in compression, scratch status, resistance from the big, wear fast. To amusement equipment overcome the squeeze, scratch, to led flood light ensure the sealing performance, seat basically elastic material such as rubber or Teflon, but also result in the use of limited by temperature, which is why the old idea that the tablet press butterfly does not heat reasons.Second, a single eccentric butterfly forged steel globe valve valveTo address concentric butterfly valve and valve seat of the extruded disc problem, the resulting single eccentric butterfly harmonic balancer valve, the structure for the stem axis deviated from the disc center, so that the butterfly is articulating boom lifts no longer a rotary piston pump bottom plate heart, scattered, reducing the butterfly over the board seat bottom and squeezed. However, due to a single eccentric structures in the switching process of the valve disc and valve seat of the solar panels scratching phenomenon has not disappeared in the application of similar scope and concentric butterfly valve, so it is small.Third, the double eccentric butterfly valveIn the rocker switch single eccentric butterfly valve forming the basis of further improvement is the most widely used of the double eccentric butterfly valve. Its structure both in the stem axis deviation from the center of plastic mould the disc, but also deviate from the body center. Effect of the double eccentric butterfly valve plate can be turned quickly from the seat to substantially eliminate the wooden kitchen unnecessary disc and valve seat over-compression, scratch phenomenon, reduce power cords the resistance from the open, reducing the wear and tear, improve seat life.
Significant reduction of scratching, but dog clothes also makes the dual-eccentric metal seated butterfly valve can also be used to improve the butterfly valve in the high-temperature fields. But because of its gucci sale position of sealing structure sealing principle is that the butterfly plate and valve seat sealing surface for line contact, through the valve seat disc compression elastic discount silver jewelry deformation caused by the sealing effect, it is very demanding on the closed coogi shirts position (especially metal seat), bearing capacity, and this is why people think the traditional high-pressure valve intolerance, and leakage volume reasons.Four, three eccentric butterfly valveTo high temperature, you must use the seal, but the leak volume; to zero leakage, you loewe purses must use the soft seal, but not high temperatures. Double eccentric butterfly valve to overcome this contradiction, but also on the butterfly for the third time eccentric. The structure of the stem in the double juicy couture handbag eccentric position eccentric axis, while the disc sealing surface of the conical cylinder axis deviation in the body axis, that louis vuitton outlet is, after the third time after the eccentric, the disc is no longer sealed chanel handbags section is really round, but elliptical, the sealing surface and thus also asymmetric shape, while the center line of body tilt on chanel handbag the other side of the body is parallel to the centerline.This is the third most important feature is the eccentric fundamentally changed the seal structure, the location gucci handbags is no longer sealed, but the torque seal, that is, not relying on the elastic deformation of the valve seat, but rely entirely on the contact surface pressure of fendi handbag the valve seat to achieve the sealing effect Therefore, the metal valve seat in one fell swoop to prada outlet solve the problem of zero leakage, and because of contact surface pressure and medium pressure is directly proportional hermes handbags to the resistance to high pressure and temperature are also solved.
Blind flange connection method is also jimmy choo handbag associated with iron pipes and pipe connections between the most simple way. The blind flange can be used to check the port mulberry handbags openings. In addition, blind flange connection for φ50-315mm in diameter from the tube replica handbags connection. Its performance pressure reducing valve characteristics: non-rigid connections, removable, anti-pull. Blind flange connection method is usually used as low-pressure pipelines on y strainer the detachable connector. Generally used in the pipeline, in that case, loose bolts can be rotated on both sides of the pipe, then tighten the pipe can milling machine be more easily removable material is called carbon steel flange carbon steel flange, blind flange is two 304 stainless steel sheet large-caliber pipeline connections, usually add a number of fastening the two flange bolts. Is made of carbon steel flange carbon steel stainless steel coil flange. Good plasticity and low strength low carbon steel, after adding an appropriate amount of carbon will become hard, plastic lower intensity. Flange connection may need to withstand very high thermoforming machine tensile, compressive, torsional, shear strength, blind flange is a better choice.Blind flange socket connection method is suitable for φ32-315mm in diameter from the tube reflective foil insulation connection. Its performance characteristics: non-rigid connections, removable, anti-pull. Shorten the installation of socket-type extension pipe connections, you must hot sell handbags use the card for a fixed anchor tube to prevent thermal expansion and contraction in the intubation position in Mobile. Between the floor and the floor in the erect vertical pipe, long nfl discount pipe-line, and the collection of buried pipeline must be at least shorten the installation of a socket-type extension tube. This is because the socket flange blind anchor chain drainage process can not only eliminate the thermal expansion and contraction caused by temperature changes, but also helps with the connection of each floor branch, making the pipe installation easier.
