Từ năm 1959, Mapro International S.p.A. đã sản xuất và xuất khẩu các loại máy xử lý không khí và khí kỹ thuật trên toàn thế giới. Mapro International S.p.A. được thành lập với tên công ty là M.P.R. Italiana S.p.A., với mục đích sản xuất máy nén cánh quạt quay và máy bơm chân không dùng để hút và nén các chất lỏng dạng khí, bao gồm cả chất lỏng ăn mòn.Mapro Việt Nam
Mapro Viet Nam Distributor / Hotline : 0938 906 663 / Email : giau@hgpvietnam.com
Mapro HGP Viet Nam
A cylindrical rotor turns eccentrically in a cylindrical stator of a larger diameter: the free space left between stator and rotor is half-moon shaped. Some slots are milled in the rotor and stratified plastic blades slide freely into the slots. The blades, as the rotor turns, are forced out against the cylindrical wall of the stator by centrifugal force, so creating individual cells whose volume reduces from a maximum to a minimum during the rotation. The suction takes place through ports in the stator in the area of increasing volumes; the discharge through ports in the area of decreasing volumes.
Centrifugal Fan (AIR/GAS)
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Operating principle
Construction features
Advantages
Operating principle
The MAPRO® centrifugal fans, MCF Series, are made of:
an intake duct conveying the aspirated gas to the impeller inlet, which is coaxial to the shaft;
a closed impeller with axial flow inlet and radial flow exit;
a toroidal discharge volute with tangential exit.
The compression of the gas occurs through the increment of kinetic energy given to the gas by the vanes of the impeller and the subsequent conversion of the kinetic energy into static pressure in the discharge volute.
Side channel and TBT blowers (AIR/GAS)
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Operating principle
Construction features
Advantages
Operating principle
The side channel blower and the TBT increase the pressure of the aspirated gas by the creation, in the peripheral toroidal channel, of a series of vortexes caused by the centrifugal thrust of the impeller. While the impeller is rotating, the vanes force the gas forward and, because of the centrifugal thrust, outwards, producing a helical motion. During this motion, the gas is recompressed repeatedly with a consequent linear pressure increase along the length of the channel.
The rotating TBT and toroidal channel are extremely innovative, born form a long research and trial. The impeller’s wing profile vanes and the central core channel allow this machine to achieve performances close to those of rotating lobe positive-displacement blowers.
Multistage centrifugal blowers (AIR/GAS)
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Operating principle
Construction features
Advantages
Operating principle
One stage of a MAPRO® multistage centrifugal blower is generally made of:
an intake duct conveying the gas to the impeller inlet,
which is coaxial to the shaft;
a closed impeller with axial flow inlet and radial flow exit;
a radial diffuser, whose aim is to convert kinetic energy
into static pressure at the impeller exit;
a discharge volute.
Actually, a centrifugal blower is always used in the multistage configuration. The gas is sucked into the first stage through an inlet volute, every next single stage is linked to the former one through a return channel, and a discharge volute collects the gas from the exit of the last stage delivering it to the outlet pipe. The impellers are built with radial exit blades or backward facing blades. The radial blades allow the achievement of a higher compression ratio, whilst the impellers with backward facing blades, at fixed speed of rotation and for the same differential pressure, produce a characteristic curve with a much wider stable range.
Positive Displacement Blowers
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Operating principle
Application and advantages
Operating principle
MAPRO® Positive Displacement machines, ML Series, consist basically of a pair of Tri-lobe rotors, mounted on parallel shafts, rotating in opposite directions inside a roperly shaped casing closed at the ends by side plates.
The two Tri-lobe rotors are synchronized by a pair of timing gears. As the rotors rotate, air is drawn into the inlet side of the casing, is moved from the inlet to the outlet side by the free volumes between rotors and stator and finally is forced out of the outlet side against the connected system pressure.
The machines, being positive displacement type, do not develop pressure within the casing but the discharge pressure depends only upon the connected system esistance.
The MAPRO® vacuum pumps, BV series, are rotary vane machines, oil recirculating type. In these vacuum pumps a cylindrical rotor turns eccentrically in a cylindrical stator of a larger diameter: the free space left between stator and rotor is half-moon shaped. Three slots are milled in the rotor and stratified plastic blades slide freely into the slots. The blades, as the rotor turns, are forced out against the cylindrical wall of the stator by centrifugal force, so creating individual “cells” whose volume changes continuously during the rotation.
Liên hệ : Công ty TNHH TM KT Hưng Gia Phát để được hỗ trợ giá và thời gian giao hàng nhanh nhất.
Mapro Việt Nam / Hotline : 0938 906 663
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Từ năm 1959, Mapro International S.p.A. đã sản xuất và xuất khẩu các loại máy xử lý không khí và khí kỹ thuật trên toàn thế giới. Mapro International S.p.A. được thành lập với tên công ty là M.P.R. Italiana S.p.A., với mục đích sản xuất máy nén cánh quạt quay và máy bơm chân không dùng để hút và nén các chất lỏng dạng khí, bao gồm cả chất lỏng ăn mòn.Mapro Việt Nam
Mapro Viet Nam Distributor / Hotline : 0938 906 663 / Email : giau@hgpvietnam.com
Mapro HGP Viet Nam
A cylindrical rotor turns eccentrically in a cylindrical stator of a larger diameter: the free space left between stator and rotor is half-moon shaped. Some slots are milled in the rotor and stratified plastic blades slide freely into the slots. The blades, as the rotor turns, are forced out against the cylindrical wall of the stator by centrifugal force, so creating individual cells whose volume reduces from a maximum to a minimum during the rotation. The suction takes place through ports in the stator in the area of increasing volumes; the discharge through ports in the area of decreasing volumes.
Centrifugal Fan (AIR/GAS)
Learn more
Operating principle
Construction features
Advantages
Operating principle
The MAPRO® centrifugal fans, MCF Series, are made of:
an intake duct conveying the aspirated gas to the impeller inlet, which is coaxial to the shaft;
a closed impeller with axial flow inlet and radial flow exit;
a toroidal discharge volute with tangential exit.
The compression of the gas occurs through the increment of kinetic energy given to the gas by the vanes of the impeller and the subsequent conversion of the kinetic energy into static pressure in the discharge volute.
Side channel and TBT blowers (AIR/GAS)
Learn more
Operating principle
Construction features
Advantages
Operating principle
The side channel blower and the TBT increase the pressure of the aspirated gas by the creation, in the peripheral toroidal channel, of a series of vortexes caused by the centrifugal thrust of the impeller. While the impeller is rotating, the vanes force the gas forward and, because of the centrifugal thrust, outwards, producing a helical motion. During this motion, the gas is recompressed repeatedly with a consequent linear pressure increase along the length of the channel.
The rotating TBT and toroidal channel are extremely innovative, born form a long research and trial. The impeller’s wing profile vanes and the central core channel allow this machine to achieve performances close to those of rotating lobe positive-displacement blowers.
Multistage centrifugal blowers (AIR/GAS)
Learn more
Operating principle
Construction features
Advantages
Operating principle
One stage of a MAPRO® multistage centrifugal blower is generally made of:
an intake duct conveying the gas to the impeller inlet,
which is coaxial to the shaft;
a closed impeller with axial flow inlet and radial flow exit;
a radial diffuser, whose aim is to convert kinetic energy
into static pressure at the impeller exit;
a discharge volute.
Actually, a centrifugal blower is always used in the multistage configuration. The gas is sucked into the first stage through an inlet volute, every next single stage is linked to the former one through a return channel, and a discharge volute collects the gas from the exit of the last stage delivering it to the outlet pipe. The impellers are built with radial exit blades or backward facing blades. The radial blades allow the achievement of a higher compression ratio, whilst the impellers with backward facing blades, at fixed speed of rotation and for the same differential pressure, produce a characteristic curve with a much wider stable range.
Positive Displacement Blowers
Learn more
Operating principle
Application and advantages
Operating principle
MAPRO® Positive Displacement machines, ML Series, consist basically of a pair of Tri-lobe rotors, mounted on parallel shafts, rotating in opposite directions inside a roperly shaped casing closed at the ends by side plates.
The two Tri-lobe rotors are synchronized by a pair of timing gears. As the rotors rotate, air is drawn into the inlet side of the casing, is moved from the inlet to the outlet side by the free volumes between rotors and stator and finally is forced out of the outlet side against the connected system pressure.
The machines, being positive displacement type, do not develop pressure within the casing but the discharge pressure depends only upon the connected system esistance.
The MAPRO® vacuum pumps, BV series, are rotary vane machines, oil recirculating type. In these vacuum pumps a cylindrical rotor turns eccentrically in a cylindrical stator of a larger diameter: the free space left between stator and rotor is half-moon shaped. Three slots are milled in the rotor and stratified plastic blades slide freely into the slots. The blades, as the rotor turns, are forced out against the cylindrical wall of the stator by centrifugal force, so creating individual “cells” whose volume changes continuously during the rotation.
Liên hệ : Công ty TNHH TM KT Hưng Gia Phát để được hỗ trợ giá và thời gian giao hàng nhanh nhất.
Mapro Việt Nam / Hotline : 0938 906 663
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