Venn Co.
Venn RD-29A type pressure reducing valve (for micro pressure gas)
Manufacturer: Venn Co., Ltd.
Model: RD-29A
Features
- A maximum decompression ratio of 300: 1 is possible. (For example, the pressure can be reduced from 300kPa to 1kPa at once.)
- Since it is a single seat valve, there is no valve leak.
- The optimum pressure balance structure can select for each fluid.
Specifications
| Product code | RD29A-G |
|---|---|
| Nominal diameter | 15-50 (1/2-2) |
| Applicable fluid | air , N2 gas and non-corrosive gas |
| Fluid temperature | 5-60 ℃ |
| Primary side applied pressure | 300kPa or less |
| Secondary adjustment pressure range | L: 1 to 3 kPa (offset within 0.9 kPa) M: Over 3 and 10 kPa (offset within 1.5 kPa) H: Over 10 and 30 kPa (offset within 4.5 kPa) |
| Maximum decompression ratio | 300:1 |
| Minimum differential pressure before and after the valve | 2kPa |
| Deadline boost | 2kPa or less |
| Allowable leakage amount | None (visual pressure gauge) |
| End connection | JIS 10K RF flange |
| Material body | FC |
| Material Valve body | SUS |
| Material Valve seat | SUS |
| Material diaphragm | NBR |
| Material disc | NBR |
| Mounting posture | Upright mounting on horizontal piping |
| Minimum adjustable flow rate | 2-5m3 / h (standard condition) |
| Airtightness test primary side | 300kPa |
| Airtightness test Secondary side adjustment pressure range | L: 1-3kPa M: Over 3 10kPa H: Over 10 30kPa |
| Airtightness test Secondary side Airtightness test pressure | L: 5kPa M: 12kPa H: 32kPa |
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