Venn Co.
Venn RD-19F Pressure Reducing Valve For Pure Water
Manufacturer: Venn Co., Ltd.
Model: RD-19F
Specifications
| Product Symbol | RD19F-D |
|---|---|
| Types of valves | Pressure Reducing Valve |
| Nominal diameter | 15・20・25（1/2・3/4・1） |
| Applicable fluids | Pure water |
| Fluid temperature | 5～60℃ |
| Primary Side Application Pressure | 1.0MPa or less |
| Secondary Side Regulation Pressure Range (Set Pressure) | L ：0.02～0.1、M：0.1～0.2、H：0.2～0.3MPa |
| Maximum Reduction Ratio | 10:1 |
| Minimum differential pressure before and after the valve | 0.07MPa |
| Allowable leakage | Nominal diameter 15: 1.5 mL/min or less, nominal diameter 20: 2.0 mL/min or less, nominal diameter 25: 2.5 mL/min or less |
| End connection | JIS 10K RF Flange |
| Mounting Position | Inverted mounting on horizontal piping |
| Cv value | 0.8 |
| Quality | 8.5 (nominal diameter 15), 9.5 (nominal diameter 20), 10.5 (nominal diameter 25) |
| Material: Body | SUS304 |
| Material: Valve body | SUS304 |
| Material: Valve seat | SUS304 |
| Material: Diaphragm | CR & PTFE |
| Material: Disc | PCTFE |
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