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Corrosion protection - — The center line butterfly valve open
by：AIRWOLF
2021-01-20
Center line butterfly valve application in anti-corrosion series
1, the two type of valve stem connection without pin, simple and compact structure, convenient maintenance disassembly is very ( On-site dismantling) ； In the disk plate has the ability of automatic function ( Up and down, left and right) Surplus quantity, realizing the disc plate and valve seat transgressions.
2, tongue slot seat, the valve body, valve seat, disc plate to ensure the accuracy of the connection between, can easily replace seat at the same time.
3, adopts world advanced spherical seal, seal more reliable. Because be spherical seal, valve in the opening and closing is a smooth transition, so reducing the friction, reduces the torque, can choose low power drive device, so as to reduce the cost of the user. At the same time increases the service life of the seat, 3 - is common line valve 4 times) 。
4, the seat of the flange sealing surface using big wide edge, arc structure, to adapt the valve can be completely to the set of jewels or welded flange connection request, and for any standard flange connection.
5, the valve stem axial positioning device, using two gaskets with a split ring and spring retainer ring structure. So can effectively prevent stem didn't mean to be disassembled, and also carry a certain amount of axial force, prevent stem weight transfer to butterfly plate.
6 plays a role of two-way seal, valve stem seal, namely to prevent foreign matter invasion, prevent outflow of medium at the same time.
7, shaft sleeve is supporting the role of the stem, and can decrease the open-close torque at the same time. There are two collar for users to choose, i. e. , lubrication of bronze, ptfe.
8, because the body itself instead of ordinary seat backrest, increases the overall strength of valve, to achieve common center line butterfly valve can not be achieved 20 kilograms of nominal pressure.
keyword: center line butterfly valve
1, the two type of valve stem connection without pin, simple and compact structure, convenient maintenance disassembly is very ( On-site dismantling) ； In the disk plate has the ability of automatic function ( Up and down, left and right) Surplus quantity, realizing the disc plate and valve seat transgressions.
2, tongue slot seat, the valve body, valve seat, disc plate to ensure the accuracy of the connection between, can easily replace seat at the same time.
3, adopts world advanced spherical seal, seal more reliable. Because be spherical seal, valve in the opening and closing is a smooth transition, so reducing the friction, reduces the torque, can choose low power drive device, so as to reduce the cost of the user. At the same time increases the service life of the seat, 3 - is common line valve 4 times) 。
4, the seat of the flange sealing surface using big wide edge, arc structure, to adapt the valve can be completely to the set of jewels or welded flange connection request, and for any standard flange connection.
5, the valve stem axial positioning device, using two gaskets with a split ring and spring retainer ring structure. So can effectively prevent stem didn't mean to be disassembled, and also carry a certain amount of axial force, prevent stem weight transfer to butterfly plate.
6 plays a role of two-way seal, valve stem seal, namely to prevent foreign matter invasion, prevent outflow of medium at the same time.
7, shaft sleeve is supporting the role of the stem, and can decrease the open-close torque at the same time. There are two collar for users to choose, i. e. , lubrication of bronze, ptfe.
8, because the body itself instead of ordinary seat backrest, increases the overall strength of valve, to achieve common center line butterfly valve can not be achieved 20 kilograms of nominal pressure.
keyword: center line butterfly valve
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