The Blackmer RC20 LPG Regenerative Turbine Pump is designed for high-pressure transfer applications of LPG (Liquefied Petroleum Gas), Autogas, propane, and butane.
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The Blackmer RC20 LPG Regenerative Turbine Pump is designed for high-pressure transfer applications of LPG (Liquefied Petroleum Gas), Autogas, propane, and butane.
Creative Impeller Design: Optimized for hydraulic performance, it can achieve high differential pressures even at low flow rates. This is critical for Autogas applications where consistent pressure is necessary.
Cavitation Mitigation: The pump minimizes cavitation effects by allowing for a gradual collapse of vapor bubbles. This helps protect the pump from potential damage caused by cavitation.
Self-Priming & Vapor Handling: It demonstrates superior self-priming and vapor-handling capabilities, ensuring consistent operation, especially when paired with an RV series bypass valve.
Vibration-Free Operation: The pump operates smoothly without generating vibration or noise, making it reliable across various pumping scenarios.
Smooth, Pulsation-Free Discharge: This feature ensures the longevity of the pump system by delivering a steady, pulsation-free fluid discharge.
High-Pressure Rating: The RC20 is rated for a maximum working pressure of 34 bar (493 psi), making it suitable for handling liquids with high vapor pressures.
Field Repairs: The pump is designed for ease of maintenance, allowing for field repairs when necessary.
Operation Limit
Pump Model |
Maximum Differential Pressure |
Maximum Working Pressure1 |
Hydrostatic Test Pressure |
Nominal Maximum Flow Rate — 60Hz |
Nominal Maximum Flow Rate — 50Hz |
Minimum Temperature |
Maximum Temperature2 |
Maximum Speed3 |
RC20 |
203 psi (14 bar) |
493 psi (34 bar) |
1015 psi (70 bar) |
16 gpm (62 L/min) |
13 gpm (48 L/min) |
-40°F (-40°C) |
390°F (200°C) |
3800 rpm |
RC25 |
203 psi (14 bar) |
493 psi (34 bar) |
1015 psi (70 bar) |
28 gpm (106 L/min) |
21 gpm (80 L/min) |
-40°F (-40°C) |
390°F (200°C) |
3800 rpm |
RC40 |
203 psi (14 bar) |
493 psi (34 bar) |
1015 psi (70 bar) |
53 gpm (200 L/min) |
44 gpm (165 L/min) |
-40°F (-40°C) |
390°F (200°C) |
3800 rpm |
Porting Connection Options
Pump Model |
Inlet Port |
Outlet Ports |
Gauge Ports |
RC20 |
DN 25/1" NPT(F) |
DN 25/1" NPT(F) |
1/4" NPT |
RC25 |
DN 25/1" NPT(F) |
DN 25/1" NPT(F) |
1/4" NPT |
RC40 |
1-1/2" NPT, Flanged to suit 1-1/2" ANSI Class 300 and DN40 DIN PN40 |
1" NPT, Flanged to suit 1" ANSI Class 300 and DN25 DIN PN40 |
1/4" NPT |
Body & Cover |
Ductile Iron ASTM A536 |
Impeller |
Ni-Resist |
Shaft |
Carbon Steel |
O-Rings* |
Fluoroelastomer (FKM) |
Oil Seal |
Nitrile (NBR) |
Mechanical Seal Assembly |
Carbon/Silicon Carbide/Fluoroelastomer (FKM) |
Mechanical Seal Cartridge |
Ductile Iron ASTM A536 |
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