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AXIAL FAN
All fans are induced-draft axail type with adjustable pitch. Material
chosen are n o n - corrosive plastic, FRP or aluminum alloy .
The high efficiency design ensures low running cost and low noise level.
All fans are well balanced & pre-set at factory. |
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MOTOR
The motors are TEFC weather proof type, specially design for Ryowo,
and suitable for 380V/3/50Hz. Up to and including 4 Kw,
motors can be D.O.L. started, and 5.5 Kw and above are star-delta started. |
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TRANSMISSION SYSTEM
The fans for smaller models are designed to be direct driven by low speed motor
of 6, 8, 10 or 12 poles which can minimise the damage of transmission parts.
For large models, the fans are vee-belt or gear driven with 4 poles motors
to enable the speed of fans to be adjustable to suit various applications.
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SPRINKLER SYSTEM
Automatic rotating sprinkler system with rotary head and sprinkler pipes
distributes the hot water even by over the entire top layer of the filler.
Sprinkler pipes are n o n -clogging, require low re-action force to rotate,
and assure uniform water distribution with minimal operating pump head.
The F.R.P. eliminators attached to sprinkler pipes are specifically
designed for low pressure drop and minimizes the water being carried over. |
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CASING & BASIN
F.R.P. (Fiberglass Reinforced Polyester) formed casings are durable,
non-corrosive, weather-proof, and light weight. Cylindrical form is
shaped to fully withstand wind pressure, vibration and such. F.R.P.
casings obviate the need for painting, reduce maintenance costs and
guarantee long dependable service.
Bowl-shape basins are also made from F.R.P. with built in socket or flanged outlets
for piping connections. For larger models, a F.R.P. aux. suction tank is employed in the
centre and fitted with piping flanges or sockets.
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STEEL STRUCTURE
All supporting steel members are hot-dip galvanized to minimize rusting and
corrosion thus ensuring long service life even in corrosive atmosphere.
The stainless steel hardware members are also available upon request. |
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FILLER
High performance RYOWO V-30 film filler is the heart of the tower.
The specially formed PVC sheets maximize the air/water contact
areas and minimise air pressure drop to assure efficient heat
transfer while keeping low the fan motor power. It is virtually
immune to corrosion and decay.
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SPLASH MAT (LOW NOISE MODELS)
Specially designed noise absorbing nylon splash mat is
provided on the water basin for low noise models to minimise
the unpleasant water dripping noise. |
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