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RD-31N - VAN GIẢM ÁP VENN NHẬT

RD-31N - VAN GIẢM ÁP VENN NHẬT
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Số lượng

RD-31N - VAN GIẢM ÁP VENN NHẬT
Pressure reducing valve (for water / liquid / door-to-door water supply), constant flow valve, water hammer preventer
RD-31N type pressure reducing valve


Calm is a bronze water pressure reducing valve that meets the demands of the times as a [trump card for measures against red water].
[Quiet], which combines the technologies of our water pressure reducing valve, which has already received high praise, and pursues controllability, reliability, and ease of use, is a source of rust, especially from the flow path including the pipe joint. Is lost. [Quiet], which is becoming more and more popular as a countermeasure against red water, is used for building equipment, housing equipment, factory equipment, boiler water supply, etc.


Where to use: Building equipmentFactory equipment

Major features

  • Calm flow red water countermeasures: Main body bronze + pipe end core prevents red water.
  • It is a low noise design.
  • It is about 50% smaller and lighter than the conventional FC product.
  • Even if the diaphragm is damaged, water will not leak to the outside.
  • It has a built-in strainer. (Nominal diameter 50 or less)

Specification:

Product code RD31N-F □
Valve type Pressure reducing valve
type For 1.0MPa or less
Nominal diameter 15-50 (1/2-2)
Applicable fluid Water / hot water / (air)・ Inert gas )
Fluid temperature 5 to 90 ° C (5 to 40 ° C when using a tube end core)
Primary side applied pressure 1.0MPa or less
Secondary adjustment pressure range (set pressure) L: 0.05-0.35MPa
H: Nominal diameter 100 or less: 0.3 to 0.7 MPa, Nominal diameter 125,150: 0.3 to 0.5 MPa
Maximum decompression ratio 10: 1
Minimum differential pressure before and after the valve 0.05MPa
Allowable leakage amount None (visual pressure gauge)
End connection JIS Rc screw
Body pressure resistance test 1.75MPa at water pressure
Mounting posture Horizontal / vertical (excluding strainer cap upward)
strainer Equivalent to 40 mesh (nominal diameter 50 or less)
Material body CAC406
Material diaphragm NBR
Material disc NBR
Material parts CAC406
Material Spring case Nominal diameter 15-50: ADC, Nominal diameter 65-150: FC
  • We also manufacture a pressure gauge attachment only on the secondary side. (The maximum scale of the pressure gauge is the secondary adjustment pressure range L (0.6MPa) and H (1.6MPa).)

     

 

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