What can we help you find?

Just answer a few questions, and our Product Finder will guide you to the right solution!

  • Products

      What can we help you find?

      Just answer a few questions, and our Product Finder will guide you to the right solution!

  • Parts

      What can we help you find?

      Just answer a few questions, and our Product Finder will guide you to the right solution!

  • Resources

      What can we help you find?

      Just answer a few questions, and our Product Finder will guide you to the right solution!

  • Support

      What can we help you find?

      Just answer a few questions, and our Product Finder will guide you to the right solution!

Item: GNXH4A
Description: GNXH4 alignment-free, quiet, positive displacement sliding vane pump for non-corrosive liquids and petroleum products.
GNXH4A-product image
ImageSetByPath

GNXH4A, Vane Pump, Alignment Free, Horizontal Parallel Port, 500 GPM

Item: GNXH4A
Description: GNXH4 alignment-free, quiet, positive displacement sliding vane pump for non-corrosive liquids and petroleum products.
  • Mounting: PUMP ONLY
  • Inlet Size: 4
  • Model: GNXH4A
  • Discharge Size: 4
  • Max Operating Pressure: 100.0
  • Max Flow Rate (GPM): 500.0
Attributes for item GNXH4A
Shipping Weight (lbs):
310
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:
63
Relief Valve Spring:
3 51-75 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
TOTAL-LEAD-TIME:
Show All Attributes
Show Fewer Attributes
Recommended Products
Spare Parts for item GNXH4A
Performance for item GNXH4A

At 433 RPM and 100 psi differential pressure, the GNX4/GNXH4 pump delivers 397 gpm (1,503 lpm) of a fluid with a viscosity of 30 SSU.

At 433 RPM and 100 psi differential pressure, the GNX4/GNXH4 pump requires 35.5 bhp (26.5 kW) to handle a fluid with a viscosity of 30 SSU.

Downloads for item GNXH4A
Item Overview for Blackmer GNXH4A
The Blackmer GNXH4A is a vane pump developed around GNXH4A, Vane Pump, Alignment Free, Horizontal Parallel Port, 500 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.