Pressure reducing valve (for steam, for air / gas) RD-41F type pressure reducing valve (for steam)
specification
Product code | RD41F-D □The symbol of the secondary adjustment pressure range is entered in □. |
---|---|
type | Stainless steel, flange |
Nominal diameter | 15-25 (1/2-1) |
Applicable fluid | steam |
Fluid temperature | 220 ℃ or less |
Primary side applied pressure | 1.0MPa or lessWe also manufacture products with a primary pressure applied of 1.6 MPa or less. (RD-41F type has JIS 16K RF flange.) |
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 10K RF flangeWe also manufacture products with a primary pressure applied of 1.6 MPa or less. (RD-41F type has JIS 16K RF flange.) We also manufacture ASME / JPI class 150 and 300 flanges. |
Material body | SCS |
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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Frequently Asked Questions and Explanations
Is there a leak in the steam pressure reducing valve?
The allowable leakage amount is stated in the specifications of each product.
Does the fluid flow without pressure adjustment?
It doesn't flow. It will flow normally only after adjusting the pressure.
How should I perform maintenance and inspection of the steam pressure reducing valve?
We perform regular maintenance once a year as a guide. Please refer to the instruction manual for details.
Inquiries about this product
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