OBL XLB
SubCategory: MeteringPumps
Manufacturer: Obl
Industry: AdhesivesProduction;Chemical;DetergentProduction;EmulsionProduction;FertilizerProduction;GasTerminals;NuclearPowerPlants;Offshore;OilGas;PaintResinProduction;PaperMills;Petrochemical;PlasticsProduction;PowerGeneration;Refineries;SurfaceFinishing;WaterTreatment;WoodProcessing
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Key specifications
- Flows up to 430 l/h
- Pressure up to 30
Key product features
- Hydraulic diaphragm construction -> Combines containment with higher-pressure dosing capability
- Seal-less product containment -> Reduces leakage risk in chemical dosing duties
- API 675 compliance -> Supports specification for demanding metering pump projects
- Double diaphragm configuration -> Adds protection where process leakage must be avoided
- Diaphragm rupture detection -> Helps operators react before process contamination or downtime escalates
- Single and multiple pump arrangements -> Allows several dosing streams from one installation concept
- Manual stroke adjustment with actuator options -> Gives flexibility for local or automated flow control
- Material options for wetted parts -> Supports selection for chemical compatibility
- AxFlow product selection support -> Helps match pump type, materials and duty point
- Service and spare parts support from AxFlow -> Helps control downtime and lifecycle cost
OBL XLB is used for demanding process applications where leakage is not acceptable and multiple dosing heads are required. The series is relevant where chemical dosing accuracy, process containment and predictable operation affect product quality, safety or production continuity. It is supplied by AxFlow for professional users who need a technically matched metering pump rather than a generic transfer pump.
The pump is based on a hydraulic diaphragm metering pump construction. Key construction details include five-headed construction, independent manual adjustments, AISI 316L wetted parts, double diaphragm, visual rupture detector, API 675 and ATEX 94/9/CE conformity. These characteristics help the pump handle controlled dosing tasks while keeping the relationship between pump technology, medium properties and installation requirements clear during selection.
For selection, engineers should check the required flow, differential pressure, temperature, chemical compatibility, viscosity, control method and installation arrangement. Where actuator options, rupture detection, multiple heads or material alternatives are available, they should be matched to the process risk and maintenance strategy before ordering.
AxFlow supports product selection, availability checks, service planning and spare parts identification for OBL metering pumps. Correct pump configuration helps reduce dosing instability, avoid unnecessary maintenance interventions and protect process continuity, supporting a lower total cost of ownership over the operating life.




