"Damper Dispersion Prevention Retrofit Strainer" Series

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Damper dispersion prevention renovation strainer

last updated：Apr 04, 2025

山装防水資材事業部

Official site

Securely fixed to the drainage pipe! A dam scatter prevention strainer that withstands strong winds has arrived!

■The central screw head is a hex nut, allowing you to open and close the fixing bracket by rotating it. ■Rotating it clockwise opens it, while rotating it counterclockwise closes it. ■By opening the fixing bracket in the drain, you can securely fix the strainer like a tension rod, making it less likely to scatter even in strong winds. ■The wind pressure resistance performance is theoretically capable of withstanding a violent typhoon (maximum wind speed of 54 m/s or more) as classified by the Japan Meteorological Agency. *1

Related Link - http://www.yamaso-y.jp/shopbrand/ct33/

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basic information

※1 【Example）Wind Pressure Resistance of Strainers】 Damo Renovated Strainer Vertical Type M (Conventional Product) → Wind Resistance 36.9 m/sec Damo Anti-Debris Renovated Strainer Vertical Type M Small (Improved Product) → Wind Resistance 144.4 m/sec It has approximately 4 times the wind pressure resistance. ※The values are for installation on Damo Rectangular Lead Renovated Drain 70, at a building height of 10m, surface roughness category 3, and in corner installations.

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Applications/Examples of results

Wind-resistant scattering prevention strainer

Detailed information

Damper dispersion prevention retrofit strainer vertical type S Black / Light Gray
Damper dispersion prevention renovation strainer Vertical type M small Black / Light gray
Dam scatter prevention retrofit strainer Vertical Type M Large Black / Light Gray
Damper dispersion prevention modified strainer Vertical type L Black / Light gray

Line up（4）

Model number	overview
Vertical Type S Black / Light Gray	Damo Corner Type Lead Renovation Drain: For Vertical Type 40 - 60 Damo Urethane Renovation Drain: For Vertical Type 40 - 50 Samurai Renovation Drain (PVC): For Vertical Type 40 - 60
Vertical Type M Small Black / Light Gray	Damo Corner Type Lead Renovation Drain: For Vertical Type 70 - 80 (75) Damo Urethane Renovation Drain: For Vertical Type 70 - 80 (75) Samurai Renovation Drain (PVC): For Vertical Type 70 - 80
Vertical Type M Large Black / Light Gray	Damo Corner Type Lead Renovation Drain: For Vertical Type 90 - 100 Damo Urethane Renovation Drain: For Vertical Type 90 - 100 Samurai Renovation Drain (PVC): For Vertical Type 90 - 100
Vertical Type L Black / Light Gray	Damo Corner Type Lead Renovation Drain: For Vertical Type 110 - 140 Damo Urethane Renovation Drain: For Vertical Type 125 - 150 Samurai Renovation Drain (PVC): For Vertical Type 120 - 140