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Quality Control
In order to ensure product quality, Our Company carries on the strict inspection and examination during the products producing process.
1. Raw material testing
1.1 Each raw material is strictly inspected to ensure that it is a qualified product
Inspection of casting process
2.1 Sand Mixing process (Inspection of foundry sand)
2.2 Modeling process(Inspection of mold core)
2.3 Melting casting process(Pre-furnace operation record) (casting records) (melting casting records)
2.4 Heat Treatment Process (Wear - resistant white castings and cast steel heat treatment process records)
2.5 Mold dismantling, sand shakeout (Casting cleaning process records)
3. Inspection of machining process
3.1 Dimension Self-Inspection, Mutual inspection, First inspection; hardness
tester hardness testing
3.2 Impeller dynamic and static balance detection: inspection standard ISO1940
impeller balance G2.5
3.3 Pump pressure test: the standard pressure test 1.5 times of the design
pressure
4. Combined performance test and cavitation test
(Flow, head, efficiency, vibration, noise, cavitation): test standard ISO9906-1999
5. Final inspection
Certifications
Contact Supplier
- Shijiazhuang NaiPu Slurry Sand Pump Co.,Ltd
- Contact nameKitty Liu
- Phone86-130-32609126
- Addressxinhua Shijiazhuang,Hebei
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