WP-1 is used to absorb the shock of water hammer on water pipelines in buildings.
Fluid Control Products, Japan, Yoshitake
YOSHITAKE WP-1 Water Hummer Arrestor

Made in Japan
Manufacturer: Yoshitake
Model: WP-1
Specifications
Feature | Water hammer arrestor | |
---|---|---|
Specifications | Product type | Water hammer arrestor |
Nominal size | 15A (1/2″) – 25A (1″) | |
Application | Water | |
End connection | JIS R screwed | |
Max. pressure | 1 MPa | |
Working temperature | Max. 90 degree(C) | |
Max. flow velocity | 3m/s | |
Material | Body | Brass |
Pipe | Copper | |
Piston | Brass |
Dimensions and Weights
Size | A (mm) | H (mm) | Weight (kg) |
---|---|---|---|
15A(1/2) | 28.3 | 123 | 0.25 |
20A(3/4) | 28.3 | 154 | 0.3 |
25A(1) | 34.8 | 182 | 0.5 |
Dimensional drawing
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