Venn RD-8 type pressure reducing valve for air / gas

Manufacturer: Venn Co., Ltd.
Model: RD-8 type

Features

  • Because it is a direct-acting type, it provides stable control from small to large flow rates.
  • As a result, it is used to reduce pressure in various air lines and high-pressure gas lines.
  • In addition, the valve body has a balanced structure.
  • Therefore, changes in primary pressure have only a small effect on the secondary pressure.

Specifications

Product codeRD8-C
Nominal diameter15-40 (1/2-1 1/2)
Applicable fluidAir / gas
Fluid temperature5-80 ℃
Primary side applied pressure3.0MPa or less
Secondary adjustment pressure rangeNominal diameter 15 to 25: L: 0.2 to 0.3, M: 0.3 to 0.6, H: 0.6 to 0.9, S: 0.9 to 1.1, V: 1.1 to 1.4MPa Nominal diameter 32 to 40: L: 0.2 to 0.25, M: 0.25 to 0.65, H: 0.65 to 0.9, S: 0.9 to 1.1, V: 1.1 to 1.4 MPa
Maximum decompression ratio10: 1
Minimum differential pressure before and after the valve0.05MPa
Deadline boostSet pressure x 5% or less (minimum value 0.03MPa)
End connectionJIS 16, 20, 30K RF flange
Material bodySCPH
Material Valve bodySUS
Material Valve seatSUS
Material discPCTFE
Mounting postureUpright mounting on horizontal piping

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