High-Precision Centrifugal Pump Castings Built to Perform

At Invent Cast, we specialize in manufacturing precision investment-cast diaphragm pump components engineered to global performance and safety standards. Designed for reliable fluid handling, leak-proof operation, and long-term durability — our castings ensure dependable performance in industries where efficiency, precision, and safety are critical.

Serving clients across USA, Europe, and India with precision-engineered components.
✼
Delivering high-tolerance metal parts with complex geometries and repeatable accuracy.
✼
From prototyping to high-volume production, all under one roof.
✼
Serving clients across USA, Europe, and India with precision-engineered components.
✼
Delivering high-tolerance metal parts with complex geometries and repeatable accuracy.
✼
From prototyping to high-volume production, all under one roof.
✼
Serving clients across USA, Europe, and India with precision-engineered components.
✼
Delivering high-tolerance metal parts with complex geometries and repeatable accuracy.
✼
From prototyping to high-volume production, all under one roof.
✼

Manufacturing Process

We produce centrifugal pump castings through a precision-controlled process, from patterning and controlled pouring to heat treatment, machining, and rigorous testing, ensuring durable, high-performance, and leak-proof components.

Pattern & Core Making: Accurate patterns for casing and impeller
Mold Preparation: Precision sand or investment molds
Melting & Pouring: Controlled molten metal flow
Cooling & Shakeout: Solidification and mold removal
Heat Treatment: Strengthening and stress relief
Machining: CNC finishing for tight tolerances
Surface Treatment: Polishing, sandblasting, or coating
Inspection & Testing: Dimensional, NDT, mechanical, chemical, hydraulic
Final Verification: Leak-proof performance and safety compliance

Our Centrifugal Pump Casting Range

Centrifugal Pump Casting Technical Data
R&D	Design Software: Solidworks, AutoCAD, Pro/E, Flow Simulation
R&D	Lead Time for Development & Samples: 25–40 days
Molten Metal Options	Stainless Steel: CF8, CF8M, Duplex, Super Duplex
	Carbon Steel: WCB, LCB, Alloy Steel
	Special Alloys: Bronze, Nickel-base Alloy, Copper Alloy, Aluminium Alloy
Standards	ASTM, ASME, API, DIN, EN, BS, JIS
Shell Material	Silica Sol (for precision casting)
	Water Glass (for larger components)
	Hybrid Shells (Silica Sol + Water Glass)
Technical Parameters	Piece Weight: 0.5 kg to 250 kg
	Max Dimension: 1,500 mm (Diameter or Length)
	Min Wall Thickness: 3–6 mm (depending on pump type & pressure)
	Casting Surface Roughness: Ra 3.2–6.3 μm, Machined Ra 1.6 μm
	Casting Tolerance: ISO 8062 CT6–CT8
	Tolerance of Machining: ISO 2768-mk / IT6
	Inner Core: Ceramic Core, Urea Core, Water-Soluble Wax Core
Pressure Rating	ANSI Class 150–600 (customizable)
Heat Treatment	Normalizing, Quenching & Tempering, Solution Annealing, Stress Relieving
Surface Treatment	Polishing, Sand/Shot Blasting, Electropolishing, Pickling & Passivation, Epoxy Coating, PTFE Coating, Anodizing
Dimension Testing	CMM, Vernier Caliper, Depth Gauge, Height Gauge, Go/No-Go Gauge, Special Fixtures
Chemical Inspection	Chemical Composition Analysis (20+ elements), X-ray Radiography, Cleanliness Inspection, Carbon-Sulfur Analysis
Physical Inspection	Hardness, Yield Strength, Tensile Strength, Elongation, Impact Testing, Dynamic & Static Balancing, Microstructure Analysis
Testing & Compliance	Hydrostatic Testing, Pressure & Flow Verification, Leak Testing, API/ISO Compliance
Production Capacity	Up to 150 tons/month, over 1,800 tons annually
Applications	Water Treatment, Chemical Processing, HVAC, Oil & Gas, Marine, Power Generation, Food & Beverage Industries

Testing & Compliance

Dimensional Checks: CMM and gauges for precise alignment
NDT Inspection: Dye penetrant, ultrasonic, and X-ray for defects
Mechanical Tests: Hardness, tensile, yield, and impact testing
Pressure Testing: Hydrostatic checks for leak-proof performance
Surface & Corrosion: Coating adhesion, passivation, optional salt spray
Standards Compliance: ASTM, ASME, API, DIN, EN, BS, JIS

Serving clients across USA, Europe, and India with precision-engineered components.
✼
Delivering high-tolerance metal parts with complex geometries and repeatable accuracy.
✼
From prototyping to high-volume production, all under one roof.
✼
Serving clients across USA, Europe, and India with precision-engineered components.
✼
Delivering high-tolerance metal parts with complex geometries and repeatable accuracy.
✼
From prototyping to high-volume production, all under one roof.
✼
Serving clients across USA, Europe, and India with precision-engineered components.
✼
Delivering high-tolerance metal parts with complex geometries and repeatable accuracy.
✼
From prototyping to high-volume production, all under one roof.
✼