Model PRV45

Model PRV45

Model PRV45

Product catalog summary
Basic Information
Type: Self-operated pressure reducing valve with diaphragm
Kv Values: 2, 2.5, and 3.0 [m3/h]·[bar]
Operation: Valve closes when outlet pressure increases
Cv Values: 2.3, 2.9, and 3.5 [gpm]·[psi]
Model: PRV45
Temperature Range: -10 to 180ºC (14 to 356ºF)
Connections: Flanged (DIN - ANSI) or Threaded (BSP - NPT)
Inlet Max Pressure: 16 [barg]
Ratings: PN16 (150#)
Outlet Pressure: 0.01 - 8 [barg]
Sizes: DN15, DN20, DN25 (1/2”, 3/4”, 1”)
Suitable for: Steam, compressed air, water, and neutral gases
Materials
Body: Stainless Steel (AISI 316) or Carbon Steel (A216WCB)
Seal Screw: Stainless Steel (AISI 316L)
Seal: Graphite PTFE
Gasket: PTFE
Seat: Stainless Steel (AISI 304L)
Other components include various stainless steel and carbon steel parts, with specific materials listed for each part.
Standard Configurations
DN Sizes: 15, 20, 25
Kv Values: 2.0, 2.5, 3.5 [m3/h]·[bar]
Cv Values: 2.5, 3, 3.5 [gpm]·[psi]
Dimensions and weights are provided for both EN and ANSI standards.
Pressure Range and Actuator Size
Pressure Range: 0.01 – 0.2, 0.5 - 2, 1 - 8 [bar]
Actuator Sizes: 295, 230, 195, 175 [mm]
Operation and Installation
The PRV45 valve should be installed in a horizontal pipe, ensuring the fluid flow direction matches the arrow on the valve body. For steam installations, the actuator must be installed in a low position, and a condensate tank is essential for temperatures above 120ºC to protect the diaphragm. A strainer should be installed upstream to protect the seal and diaphragm.
Typical Installations
Diagrams for typical installations for liquids, neutral gases, and steam (with a condensating pot) are provided.
Disclaimer
The information, specifications, and technical data are subject to change without notice. Users should verify all technical data and specifications prior to use. EFSVALVES does not warrant the material and information contained and assumes no responsibility for misuse.
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Catalog excerpts

Model PRV45-1

Type Operation Model Connections Ends Ratings Sizes PARTS Pressure Reducing Valve - Model PRV45 Self-operated pressure reducing valve with diaphragm Valve tends to close when outlet pressure increases PRV45 Flanged (DIN - ANSI) or Threaded (BSP - NPT) RF - RF, NPT, BSP PN16 (150#) Kv Cv Temperature Inlet max. pressure Outlet pressure Suitable for 16 [barg] 0,01 - 8 [barg] Steam, compressed air, water and neutral gases GALILEO 8, POL. IND. CAN ESTELLA 08635 ST ESTEVE SESROVIRES, BARCELONA, SPAIN www.efSVaIVeS.c°m REV. 01/ 14 This information is subjected to changes

 Open the catalog to page 1
Model PRV45-2

Model PRV45 - Pressure Reducing Valve Recommended spare parts REV. 01 / 14 This information is subjected to changes GALILEO 8, POL. IND. CAN ESTELLA 08635 ST ESTEVE SESROVIRES, BARCELONA, SPAIN www.efsvalves.c°ITI

 Open the catalog to page 2
Model PRV45-3

Model PRV45 - Pressure Reducing Valve IMPORTANT NOTE: Kv or CV reduced is available In red color, sizes out of standards REV. 01 / 14 This information is subjected to changes GALILEO 8, POL. IND. CAN ESTELLA 08635 ST ESTEVE SESROVIRES, BARCELONA, SPAIN www.efsvalves.c°ITI

 Open the catalog to page 3
Model PRV45-4

Model PRV45 - Pressure Reducing Valve OPERATION PRV45 valve should be installed in horizontal pipe and respecting the fluid flow direction must match the arrow on the valve body. Steam installations, the actuator must be installed in low position. Condensate tank is essential when temperatures above 120°C to protect the diaphragm from overheating. The tank is always placed in the highest point of the pipe. The strainer (item 2) must be installed upstream of the regulator to protect seal and diaphragm and avoid excessive maintenance. Remember to leave enough space to remove and clean it. TYPICAL...

 Open the catalog to page 4
Model PRV45-5

Model PRV45 – Pressure Reducing Valve TYPICAL INSTALLATION FOR STEAM (WITH CONDENSATING POT) 1. Check Valve 1a. Check Valve 1b. Check Valve 2. Filter 3. Inlet pressure gauge 4. 5. 6. Pressure reducing valve PRV Safety valve Outlet pressure gauge ATEX approved Disclaimer The information, specifications and technical data contained in this catalogue are subject to change without notice by the manufacturer. The user should verify all technical data and specifications prior to use. EFSVALVES does not warrant that the material and information contained herein is current or correct and assumes no responsibility...

 Open the catalog to page 5

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