product description:
The valve is installed in the water distribution pipeline, and the valve can be pre-determined on the valve.
a fixed flow rate that changes the pressure upstream of the main valve without affecting the downstream
The amount of water.
Pressure rating: PN10, PN16, PN25
Piston type: Φ600mm~Φ800mm
Diaphragm type: Φ50mm~Φ700mm
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