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Oct . 06, 2025 10:05 Back to list

Need a 200QJB Deep Well Submersible Pump for High Head?

200QJB Deep Well Submersible Pump: field notes, specs, and why it’s quietly winning

If you’ve worked around municipal wells or mine dewatering, you’ve probably heard the name before. The 200QJB Deep Well Submersible Pump has been popping up in project briefs and vendor lists with surprising frequency. To be honest, that’s not just marketing drift; the model family hits a sweet spot between rugged build and sane total cost over a 5–7 year window. Built in Hebei Province (No. 6 Xingyuan Road, West District, Lincheng Economic Development Zone), it’s positioned for OEM tailoring and, frankly, real-world abuse.

Need a 200QJB Deep Well Submersible Pump for High Head?

Industry context: reliability over raw bragging rights

Current trends? Utilities and ag operators want fewer pull-outs, smarter energy use, and verified test curves. In fact, the buyers I speak with are asking for ISO/GB-compliant test sheets at handover and modest inverter-ready motors. Many customers say the 200QJB Deep Well Submersible Pump fits best when the site has fluctuating drawdown and minerals near the “annoying but not catastrophic” range.

Typical technical specifications (indicative)

Casing / Stage Material Cast iron with optional SS304/SS316 wet parts (OEM)
Nominal Well Diameter ≈ 200 mm (8") class
Flow (Q) ≈ 40–400 m³/h (real-world use may vary)
Head (H) ≈ 60–320 m per configuration
Motor Power ≈ 30–220 kW, 380–660V, 3φ, 50 Hz; VFD-ready on request
Efficiency Pump peak ≈ 78–82% (duty-dependent)
Standards GB/T 2816-2014; motor per GB/T 2818-2014; ISO 9906 acceptance
Protection IP68; insulation Class F (typical); built-in thermal/RTD optional
Service Life ≈ 20,000–30,000 h in clean water; abrasive duty reduces interval
Need a 200QJB Deep Well Submersible Pump for High Head?

How it’s built and tested (quick process flow)

Materials: cast iron or stainless hydraulics, silicon carbide/mechanical seal pairs, PE2+PA windings. Methods: precision casting of diffusers/impellers, shaft concentricity control, stator varnish impregnation, and balancing to ISO-grade norms. Testing: hydrostatic pressure test, dielectric tests per IEC 60034-1, and performance on a closed-loop bench to ISO 9906 (Grade 2B typical). QA gates include curve verification at duty point (±5% target) and insulation resistance ≥ 100 MΩ at 500 VDC (new). Expected service intervals: seal pack 8–18 months in sandy wells; bearings 18–36 months depending on solids and starts/hour.

Where it’s used

  • Municipal deep wells and rural drinking water upgrades
  • Agricultural irrigation pivots and riverbank infiltration galleries
  • Mine dewatering and construction dewatering (temporary or semi-permanent)
  • Light industrial process water and geothermal wells

Advantages users point out: the 200QJB Deep Well Submersible Pump starts “clean” (low vibration), keeps its curve acceptably as wear sets in, and—surprisingly—doesn’t fight VFDs as much as older windings did. OEM customization is open: non-standard motors, metallurgy swaps, cable lengths, and custom flanges. WhatsApp for OEM: 17855846335.

Vendor snapshot (buyer’s shorthand)

Vendor OEM Custom Test Docs Lead Time After-Sales
Wellpump ACT (Hebei) Yes (non-standard motors/pumps) ISO 9906 curves; GB/T reports ≈ 2–5 weeks Regional + spare kits
Regional Distributor Brand Limited (standard SKUs) Basic Q-H sheet Stock-dependent Local service crew
No-name Import Unclear Often missing Variable Limited

Mini case study

A drought-hit county utility swapped three legacy units for two 200QJB Deep Well Submersible Pump sets on VFDs. After commissioning, energy logs showed ≈12% kWh reduction at comparable output and fewer nuisance trips during morning peak. Maintenance notes: first seal inspection at month 14, minor silica scoring, but still within leakage spec; they pushed replacement to month 18. Not dramatic—just steady performance, which is what ops teams actually want.

Need a 200QJB Deep Well Submersible Pump for High Head?

Certifications and documentation

Conforms to GB/T 2816-2014 (pump) and GB/T 2818-2014 (motor). Typical factory QA supplies ISO 9906 performance test sheets and insulation test results aligned with IEC 60034-1. Ask for lot-specific serials and bench curves with ambient notes; it makes warranty conversations easier later.

References:
1. GB/T 2816-2014 Well Submersible Pump
2. GB/T 2818-2014 Well Submersible Asynchronous Motor
3. ISO 9906:2012 Rotodynamic Pumps—Hydraulic performance acceptance tests
4. IEC 60034-1 Rotating Electrical Machines—Rating and performance



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