Gear Pump · Pumps
Pipeline injection applications often demand robust and reliable pumping solutions. The GB-414 Series™ is engineered to meet these demands, offering a rebuildable design with advanced materials on critical internal wear surfaces for enhanced durability and long-lasting performance in the field. Its simple disassembly and reassembly process saves time and money, and a complete rebuild kit restores the pump to as-new operating condition. The GB-414 Series™ features a robust axial thrust control bearing that reduces premature seal failure due to elevated inlet pressure, starts, stops, and other unique application conditions. It can handle flows up to 210 GPM. The pump’s modular port design allows for installation of lower flowrate pumps when well production decreases without welding or piping modifications. A compact footprint with a 7’ unit length on the largest pump and motor assembly contributes to efficient installation.
| Seal/packing inspection | every 2,000-4,000 running hours or on observed leakage |
|---|---|
| Relief valve function test | annually |
| Bearing/bushing wear check | at scheduled overhaul, typically every 8,000-12,000 h depending on duty |
| Suction strainer cleaning | on differential pressure trigger, or monthly on dirty service |
| Gear/bushing radial clearance | typically in the range 0.05-0.15 mm depending on pump size class - confirm against Viking's tolerance table for the GB-414 range |
|---|---|
| Volumetric efficiency drop | pumps of this type are commonly considered due for overhaul once slip reduces rated capacity by roughly 10-15% - confirm against the application's acceptance criteria |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
As a pump in pipeline injection/condensate service, periodic function and capacity checks are typically covered by the ship's planned maintenance system and reviewed at class machinery surveys; relief valve set-point verification is commonly requested.
Estimated lifetime: External gear pumps of this class in continuous marine service commonly run 15,000-25,000 hours before a wear-driven overhaul is needed, strongly dependent on fluid cleanliness, viscosity and duty cycle.
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