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Item: GNX2.5A
Description: GNX2.5 alignment-free, quiet, positive displacement sliding vane pump for non-corrosive liquids and petroleum products.
GNX2.5A-product image
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GNX2.5A, Vane Pump, Alignment Free, High Speed, 155 GPM

Item: GNX2.5A
Description: GNX2.5 alignment-free, quiet, positive displacement sliding vane pump for non-corrosive liquids and petroleum products.
  • Mounting: PUMP ONLY
  • Inlet Size: 2 1/2
  • Model: GNX2.5A
  • Discharge Size: 2 1/2
  • Max Operating Pressure: 175.0
  • Max Flow Rate (GPM): 155.0
Attributes for item GNX2.5A
Shipping Weight (lbs):
108
Accessories:
RXXXX NO GEAR REDUCER
Bypass Valve Relief Valve Spring Setting:
0
Elastomers:
2 FKM ELASTOMERS
Flanges:
N NPT FLANGES
Mounting:
PUMP ONLY
Relief Valve:
1 STANDARD VALVE
Rotor and Shaft:
1R SINGLE END KEYED RH
Relief Valve Spring Setting:
81
Relief Valve Spring:
4 51-110 PSI STEEL RV SPRING
Standard Construction 1:
0 STANDARD SELECTION - SC1
Standard Construction 2:
0 STANDARD SELECTION - SC2
Standard Construction 3:
0 STANDARD SELECTION - SC3
Standard Construction 4:
0 STANDARD SELECTION - SC4
Seal:
C0 IVCV SEAL
Standard Relief Valve Spring Setting:
1
Vanes:
4 DURAVANE
Lead Time (days):
27
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Spare Parts for item GNX2.5A
Performance for item GNX2.5A

At 814 RPM and 100 psi differential pressure, the GNX2.5/GNXH2.5 pump delivers 148 gpm (560 lpm) of a fluid with a viscosity of 30 SSU.

At 814 RPM and 100 psi differential pressure, the GNX2.5/GNXH2.5 pump requires 13.1 bhp (9.8 kW) to handle a fluid with a viscosity of 30 SSU.

Downloads for item GNX2.5A
Item Overview for Blackmer GNX2.5A
The Blackmer GNX2.5A is a vane pump developed around GNX2.5A, Vane Pump, Alignment Free, High Speed, 155 GPM for maintenance, replacement, and system-integration needs. Its construction brings together Pump Only, and Ivcv Seal, and NPT Flanges, and FKM Elastomers, presenting the main operating elements as one clearly defined build for technical evaluation. The product connects its intended function with the construction and configuration details that matter when equipment is evaluated for service. Within Blackmer’s process offering, it gives teams a recognizable option for comparing equipment, planning service work, or documenting installed assets. Its specific Blackmer identity supports accurate catalog searches, maintenance planning, and purchasing workflows. Presenting the configuration in natural technical language gives readers useful context for comparing alternatives and matching the product to the intended equipment environment.