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Blackmer GNX Series Sliding Vane Pumps

Non-Corrosive Liquids and Petroleum Products

The GNX and GNXH Series pumps are intended to deal with a wide scope of non-corrosive, clean industrial fluids and petroleum products

Features

Alignment-free, reduced-speed pumps
Vanes can be easily replaced without removing the pump from the piping system
Flexible porting – 90° and 180° options

Applications

Non- Corrosive, Clean Industrial Liquids
Solvents & Thinners

Models
Nominal Flow Rate
Pressure
Speed (RPM)

GNX2
GNX2.5
GNX3
GNX4
GNXH2
GNXH2.5
GNXH3
GNXH4

GNX2: 7 - 86 gpm (26 - 325 L/min)
GNX2.5: 12 - 155 gpm (45 - 587 L/min)
GNX3: 100 - 275 gpm (379 - 1,041 L/min)
GNX4: 250 - 500 gpm (946 - 1,893 L/min)

DIFFERENTIAL PRESSURE
2" & 2.5": 125 psi (8.6 bar)
3" & 4": 100 psi (6.9 bar)
MAX WORKING PRESSURE
175 psi (12.1 bar)

2" & 2.5": 323 - 814 rpm
3": 332 - 700 rpm
4": 257 - 563 rpm

Temperature
Viscosity
Connection
Construction

-25°F to 240°F
(-32°C to 115°C)

0.2 - 4,250 cP

Side Inlet | Top Outlet (GNX)
Side Inlet | Side Outlet (GNXH)

Ductile Iron, Cast Iron

Vane Materials
Vane Options
Elastomer Options
Weight

Duravane
EC Laminate
EC Cast Iron

Duravane
EC Laminate
Cast Iron

FKM -15°F to 240°F (-26°C to 115°C)
PTFE - SS Spring 0°F to 240°F (-18°C to 115°C)
Buna-N -25°F to 240°F (-32°C to 115°C)

GNX2 76 lb, 34 kg
GNX2.5 102 lb, 46 kg
GNX3 150 lb, 68 kg
GNX4 310 lb, 141 kg
GNXH2 74 lb, 34 kg
GNXH2.5 93 lb, 42 kg
GNXH3 146 lb, 66 kg
GNXH4 300 lb, 136 kg