Venn Co.
Venn No.LF909 Pressure Reducing Backflow Preventer (for Water and Hot Water)

Manufacturer: Venn Co., Ltd.
Model: No.LF909
Features
- It equips with 2 stop valves and 4 test cocks for function checks, making it easy to maintain and manage.
- It can inspect and maintained with general tools while attached to the pipe.
- The flow path is large and the pressure drop is small.
- It is compact and can install in a small space.
Specifications
| Product Symbol | NO. LF909NRS |
|---|---|
| Types of valves | Reduced pressure backflow preventer |
| Nominal diameter | 65~250(2 1/2~10) |
| Applicable fluids | Water and hot water |
| Fluid temperature | 0.5~43℃ |
| Application pressure | 1.2MPa or less |
| Valve opening minimum differential pressure | 0.08MPa |
| End connection | ASME Class 150 FF Flange |
| Mounting Position | Upright mounting on horizontal piping |
| Optional Products | Separately strainer, air gap (indirect drain fitting) can be attached. |
| Material: Body | FC / Epoxy resin coating |
| Material Key parts | Bronze, SUS, Synthetic Rubber |











