BLACKMER GNX4-PO — 4″ Sliding Vane Pump, Duravanes, FKM, NPT Flanges

Overview

BLACKMER GNX4-PO 4″ INDUSTRIAL SLIDING VANE PUMP

Genuine Blackmer GNX4-PO positive-displacement sliding vane pump configured with 4″ NPT flanges, Blackmer Duravanes, FKM elastomers and a 51–75 PSI relief-valve spring.

The GNX4 is a heavy-duty high-capacity industrial pump with a nominal flow range of approximately 250–500 GPM. Blackmer rates the GNX4 for up to 100 PSI differential pressure and 175 PSI maximum working pressure, with an operating speed range of approximately 257–563 RPM.

Model: GNX4

MPN: GNX4-PO

Port Size: 4″

Connections: NPT Flanges

Vanes: Duravanes

Elastomers: FKM

Relief Valve Spring: 51–75 PSI

Flow Range: 250–500 GPM

Maximum Differential Pressure: 100 PSI

Maximum Working Pressure: 175 PSI

Approx. Pump Weight: 310 lb

Please verify the model, rotation, relief-valve setting, materials and fluid compatibility for your specific application before purchasing.

Brand	Blackmer / PSG
Model	GNX4
MPN	GNX4-PO
Pump Type	Positive Displacement Sliding Vane Pump
Port Size	4″
Connections	4″ NPT Flanges
Vanes	Blackmer Duravanes
Elastomers	FKM / Fluorocarbon
Relief Valve Spring	51–75 PSI per supplied configuration
Pump Material	Primarily Ductile Iron / Cast Iron
Shaft	High-Strength Stainless Steel
Mechanical Seal	Blackmer Single Mechanical Seal
Nominal Flow Range	250–500 GPM (946–1,893 L/min)
Maximum Differential Pressure	100 PSI (6.9 bar)
Maximum Working Pressure	175 PSI (12.1 bar)
Speed Range	257–563 RPM
Viscosity Range	Up to 4,250 cP
FKM Temperature Range	-15°F to 240°F (-26°C to 115°C)
Port Orientation	Side Inlet / Top Outlet
Mounting	Pump Only

Product details

Part / SKU	GNX4-PO

Package includes

• BLACKMER GNX4-PO — 4" Sliding Vane Pump, Duravanes, FKM, NPT Flanges

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.