U-FLO Explosion-Proof Submerged Sewage Pump BQVQ for Applicable to explosion-proof marked products in areas with explosion-proof requirements

ENGINEERING DATA

Technical specifications

Published family limits are reference maxima and do not describe one simultaneous operating point. Confirm the selected size on its current performance curve.

IDENTIFY THE RIGHT BUILD

Models & configuration

A family or hydraulic size is the starting reference. Include the complete nameplate designation, serial number, materials, seals, drive and connection details when ordering.

Materials & performance

Construction materials depend on the selected size and execution. Confirm casing, impeller, shaft, seal, elastomers and all wetted materials against the liquid and operating temperature.

Provide design and peak flow, static and friction head, solids and fibre content, wet-well geometry, installation type, power supply, controls, redundancy and required material execution.

DFIN reviews the operating point together with the suction condition and drive. Supply the fluid properties at both start-up and normal operation so the proposed arrangement can be checked against the appropriate curve.

Application industries

DFIN application links identify duties to discuss, subject to the specified fluid and complete pump configuration.

Typical duties to review

• Applicable to explosion-proof marked products in areas with explosion-proof requirements.

Published design points noted for this family include: The flow parts adopt QBQ surface treatment process, which has excellent wear and corrosion resistance; The thickened impeller, pump body, and pump cover effectively extend the service life of the components; Suitable for long-term use in environments with corrosive liquids and abrasive particles (such as sediments and gravel).; The bottom inlet and bottom outlet design ensures strong clogging resistance and high flow capacity, making it suitable for a wider range of applications.; Simple structure, lightweight, easy to install and maintain.. Confirm which points apply to the selected size and execution.

Compatible parts & service

Use the complete BQVQ designation, equipment serial number and nameplate to identify the installed hydraulic, motor and control configuration before ordering a replacement or service part.

For service planning, record operating history and the required drawing positions. Confirm seals, bearings, wear parts, impellers, cables, sensors and control components against the actual build.

Maintenance planning

Use the selected model’s operating manual for isolation, draining, inspection and reassembly. Report leakage, unusual noise, loss of output or visible wear with photographs and the operating history. DFIN can use the equipment identity and drawing positions to prepare a parts enquiry.

DFIN KNOWLEDGE BASE

DFIN technical notes for BQVQ

Shanghai Dfin Pump Co., Ltd. has reorganised the available product facts into practical notes for identification, selection, application review and maintenance planning. These notes support an initial comparison; the final duty point and order code still require project-specific confirmation.