Venn Co.
Venn RD-40 type pressure reducing valve (for steam)
Manufacturer: Venn Co., Ltd.
Model: RD-40 type
Features
- It is possible to secure a large flow rate (heat amount) required when starting up the equipment.
- The main body is made of bronze or stainless steel, and the main part is made of stainless steel, so clean steam can be supplied.
- The secondary pressure can be finely adjusted with the manual handle of the automatic locking mechanism.
- High durability with SUS316L bellows.
Specifications
| Product code | RD40-J |
|---|---|
| type | Made of bronze, screwed |
| Nominal diameter | 15-25 (1/2-1) |
| Applicable fluid | steam |
| Fluid temperature | 220 ℃ or less |
| Primary side applied pressure | 1.0MPa or less |
| Secondary adjustment pressure range | (Color of name plate / spring) L: 0.02 to 0.25MPa (green), M: 0.2 to 0.4MPa (blue), H: 0.35 to 0.8MPa (red) |
| Maximum decompression ratio | 20: 1 |
| Minimum differential pressure before and after the valve | 0.02MPa |
| Deadline boost | 0.02MPa or less |
| offset | Set pressure x 0.5 or less (secondary adjustment pressure: 0.13MPa or less) 0.07MPa or less (secondary adjustment pressure: more than 0.13MPa and 0.4MPa) 0.12MPa or less (secondary adjustment pressure: more than 0.4MPa and 0.8MPa) |
| Allowable leakage amount | 0.05% or less of the rated flow rate |
| End connection | JIS Rc screw |
| Material body | CAC406 |
| Material Main part valve body | SUS |
| Material Main part Valve seat | SUS |
| Material Main part bellows | SUS |
| Mounting posture | Upright mounting on horizontal piping |
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