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Proses Pemeriksaan Kualitas

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Sudden Stop Test
Strict Pump Quality Assurance

Quality Control Systems


To ensure consistent quality, each unit undergoes strict multi-stage inspections, including material verification, hardness tests, dynamic balancing and 24-hour hydro testing. Only pumps that meet our rigorous standards and pass certified inspector approval are shipped worldwide, including to the United States, Europe, South Africa and Southeast Asia.

Four-Step Quality Verification

Quality Control Process

UHMWPE Corrosion Resistant Pump

Comprehensive Pump Quality Control

Shaft Runout Tolerance

Shaft Runout Tolerance

Measured with a runout tester to check concentricity. Shaft diameter ≤50mm → Runout ≤0.03mm; 50–100mm → Runout ≤0.04mm; >100mm → Runout ≤0.05mm.

24-Hour Hydro Test

24-Hour Hydro Test

Checks vibration, noise, flow head, efficiency, NPSH, and power. Alternating pressure cycles from 0.8 to 1.2 times rated pressure to ensure stability.

Sudden Stop Test

Sudden Stop Test

Rapid stop from 3000rpm to 0rpm within ≤2 seconds verifies water hammer resistance and operational safety under emergency conditions.

Pre-Shipment Certification

Pre-Shipment Certification

Every pump is shipped with a certificate of conformity and factory test report. Products are approved and stamped by quality inspectors before delivery.

Hubungi Kami

Jika Anda memiliki pertanyaan tentang pompa kimia, hubungi kami kapan saja. Kami akan menghubungi Anda dan menjawab pertanyaan Anda dalam waktu 24 jam!

  • Email: jade@changyupump.com
  • Hubungi kami: +86-13651913727
  • Alamat: Persimpangan Jalan Xuanzhi dan Jalan Fuxing, Pangkalan Manufaktur Cerdas Terpadu Delta Sungai Yangtze, Zona Pengembangan Jingxian, Kota Xuancheng, Provinsi Anhui, Tiongkok