Pressure Reducing Valves – Series RE

Pressure Reducing Valves (PRV) are designed for regulating the downstream pressure and maintaining it within certain acceptable limits. Ideally, a PRV should provide constant downstream pressure while delivering the required flow, i.e. the PRV automatically adjusts the flow to meet the downstream system demand. Depending on the model, MIYAWAKI`s PRV are designed for steam, air, gases and liquids.

MIYAWAKI manufactures the following types of PRV:

– Direct acting pressure reducing valves RE1, RE20, REH20, REC20, REC1 and RE2 for steam

– Pilot operated pressure reducing valves RE3 and RE10N for steam

– Pressure reducing valves with a downstream pressure sensing line RE20L, REH20L and REC20L for steam

– Direct acting pressure reducing valves REA20, REAH20 and REAC20 for air, gases and liquids

– Pressure reducing valves with a downstream pressure sensing line REA20L, REAH20L and REAC20L for air, gases and liquids

Direct acting pressure reducing valves for steam

Model Sizes Available Connections Maximum Operating Pressure Secondary Pressure Range Maximum Operating Temperature Body and Cover Material Download
RE1  1/2″ – 1″  Screwed
Rc & NPT
 16 bar / 230psig  0.5 – 10 bar / 7-145 psig  204°C Brass
RE2  3/8″  Screwed
Rc & NPT
 10 bar / 145 psig  1 – 5 bar / 14 – 72 psig  184°C Ductile Iron
Miyawaki RE1 RE2
Model Sizes Available Connections Maximum Operating Pressure Secondary Pressure Range Maximum Operating Temperature Body and Cover Material Download
RE20  1/2″ – 8″ Flanged DIN-EN, ASME  22 bar / 309 psig  0.5 – 1.6 bar / 7.3 – 230 psig  350°C Ductile Iron
REH20   1/2″ – 8″ Flanged DIN-EN, ASME  28 bar / 406 psig  0.5 – 1.6 bar / 7.3 – 230 psig  400°C Cast Steel
REC20  1/2″ – 8″  Screwed
Rc & NPT
 29 bar / 420 psig  0.5 – 1.6 bar / 7.3 – 230 psig  400°C Stainless Steel
Miyawaki RE1 RE2
Model Sizes Available Connections Maximum Operating Pressure Secondary Pressure Range Maximum Operating Temperature Body and Cover Material Download
REC1  1/2″ – 1″  Screwed
Rc & NPT
 16 bar / 230psig  0.2 – 10 bar / 2.9-145 psig  220°C Stainless Steel
REC1F  1/2″ – 1″ Flanged DIN-EN, ASME, JIS  16 bar / 230psig  0.2 – 10 bar / 2.9-145 psig  220°C Stainless Steel
Miyawaki REC1

Pilot operated pressure reducing valves for steam

Model Sizes Available Connections Maximum Operating Pressure Secondary Pressure Range Maximum Operating Temperature Body and Cover Material Download
REC3  1/2″ – 1″  Screwed
Rc & NPT
 16 bar / 230psig  0.3 – 12 bar / 4.4-174 psig  220°C Brass
RE10N  1/2″ – 2″ Flanged DIN-EN, ASME, JIS  16 bar / 230psig  0.3 – 12 bar / 4.4-174 psig  220°C Ductile Iron
Miyawaki RE10

Pressure reducing valves with a downstream pressure sensing line for steam

Model Sizes Available Connections Maximum Operating Pressure Secondary Pressure Range Maximum Operating Temperature Body and Cover Material Download
RE20L  1/2″ – 8″ Flanged DIN-EN, ASME  22 bar / 309 psig  0.5 – 1.0 bar / 7.3 – 145 psig  350°C Ductile Iron
REH20L   1/2″ – 8″ Flanged DIN-EN, ASME  28 bar / 406 psig  0.5 – 1.0 bar / 7.3 – 145 psig  400°C Cast Steel
REC20L  1/2″ – 8″  Screwed
Rc & NPT
 29 bar / 420 psig  0.5 – 1.0 bar / 7.3 – 145 psig  400°C Stainless Steel
Miyawaki RE20

Direct acting pressure reducing valves for air, gases and liquids

Model Sizes Available Connections Maximum Operating Pressure Secondary Pressure Range Maximum Operating Temperature Body and Cover Material Download
REA20  1/2″ – 8″ Flanged DIN-EN, ASME  25 bar / 362 psig  0.5 – 1.6 bar / 7.3 – 230 psig  350°C Ductile Iron
REAH20   1/2″ – 8″ Flanged DIN-EN, ASME  40 bar / 580 psig  0.5 – 1.6 bar / 7.3 – 230 psig  400°C Cast Steel
REAC20  1/2″ – 8″  Screwed
Rc & NPT
 40 bar / 580 psig  0.5 – 1.6 bar / 7.3 – 230 psig  400°C Stainless Steel
Miyawaki REA20

Pressure reducing valves with a downstream pressure sensing line for air, gases and liquids

Model Sizes Available Connections Maximum Operating Pressure Secondary Pressure Range Maximum Operating Temperature Body and Cover Material Download
REA20L  1/2″ – 8″ Flanged DIN-EN, ASME  25 bar / 362 psig  0.5 – 1.6 bar / 7.3 – 230 psig  350°C Ductile Iron
REAH20L   1/2″ – 8″ Flanged DIN-EN, ASME  40 bar / 580 psig  0.5 – 1.6 bar / 7.3 – 230 psig  400°C Cast Steel
REAC20L  1/2″ – 8″  Screwed
Rc & NPT
 40 bar / 580 psig  0.5 – 1.6 bar / 7.3 – 230 psig  400°C Stainless Steel
Miyawaki REA20