RD 40 Series Steam Pressure Reducing Valve (PRV)

Image of RD 40 Series Steam Pressure Reducing Valve (PRV)
RD 40 Series Steam Pressure Reducing Valve (PRV)
  • Ensure large flow(heat) necessary for starting up machines.
  • The stainless steel/bronze body and stainless steel disc & seat ensure supply of clean steam.
  • Precise adjustment of secondary pressure with manual handle with automatic lock mechanism.
  • Stainless steel bellows and embedded strainer (80mesh) allow high durability.

For Food Processing, Medical Devices, Laundry Machines and other Steam Equipments/Devices

specifications

Body material Cast bronze, Screwed Stainless steel, Screwed Stainless steel, Flanged
Model Name RD-40 L/M/H RD-41 L/M/H RD-41F L/M/H
Code Name RD40-J □ RD41-D □ RD41F-J □
※ L(low press) or H (high press.) for adjustable secondary pressure is required in □
Applicable Fluid Steam
Applicable primary pressure Max. 1.0 MPa*
Adjustable secondary pressure L:0.02~0.25MPa (Green)
L:0.02~0.4MPa (Blue)
L:0.35~0.8MPa (Red)
Maximum reducing rate 20:1
Maximum presssure differential across the disc 0.02MPa
Lock up pressure Max 0.02MPa
Offset Pressure at rated flow Within set pressure 0.5(Adjustable secondry pressure:Max. 0.13MPa)
Within 0.07MPa(Adjustable secondry pressure:Max. 0.13MPa-0.4MPa)
Within 0.12MPa(Adjustable secondry pressure:Max. 0.4MPa-0.8MPa)
Leakage allowance Less than 0.05% of rated flow
Applicable Temperature Max. 220°C
End connection Screwed JIS Rc Flanged JIS 10KRF
Materials Hydraulic 1.075MPa

Materials

 Body Cast bronze Stainless Steel Stainless Steel
Trim Disc & seat (Stainless steel), Below( stainless Steel)
Valve body pressure test Hydraulic 1.5MPa.

*Applicable primary pressure 1.6MPa is also available upon your request.

Dimensions

Size d L1 L2 G H
15(½”) ½" 83 186 55 128
20(¾”) ¾" 96 190 55 128
25(1″) 1" 108 190 55 128