Sandpiper Centrifugal Pump Replacement Discharge Manifold Spare Parts
These replacement parts cover the wet-end and supporting components of SANDPIPER-type centrifugal pumps, including the discharge manifold, pump casing, casing cover, impeller, expeller, side plate, shaft, and bearing cover. They are built to the original geometry and fit so they can be installed during planned overhaul or unplanned breakdown, helping restore flow and pressure without changing the whole pump unit.
Brand note: SANDPIPER is referenced here for identification and compatibility purposes only. We are not affiliated with, authorised by, or endorsed by the original manufacturer.
From sample to finished part — A replacement wet-end part is typically produced through the following workflow, using reverse engineering where an original sample or drawing is available:
- Capture the reference — rebuild the 3D model by laser scanning the original or by working from supplied drawings, then check alignment and hydraulic fit.
- Casting — produce the cast bodies (casing, cover, impeller blank) by investment or sand casting, then clean and heat-treat as the material calls for.
- CNC machining — machine the castings to size, including ports, sealing faces, and the discharge manifold connection, to hold the required tolerances.
- Balancing — the impeller is statically and dynamically balanced to reduce vibration and extend seal and bearing life.
- Surface & coating — apply blacking, polishing, plating, or a wear/corrosion coating suited to the pumped fluid.
- Inspection — verify dimensions, run hydrostatic and non-destructive testing where applicable, then pack for shipment.
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Category |
Details |
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Spare parts |
1. Pump casing, Casing cover, Impeller, Expeller, Side plate, Shaft, Bearing cover 2. Labyrinth ring, GAMMA seal deflector, Packing seal, Isolator 3. Exchange unit assembly, Bearing unit service kit, Dynamic seal service kit, Vent device, Oil breath, Seal water equipment SWE |
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Reverse-engineering |
FARO 3D Laser Scanning, Laser Alignment, Design model, Computational Fluid Dynamics CFD |
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Material |
ASTM, ANSI, SAE, UNS, DIN, EN, ISO, TOCT Cast iron, Wear-resistant cast iron, Cast steel, Stainless steel, Duplex SS, Cast alloy steel |
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Mould and Casting |
Investment casting mould, Sand casting mould Investment Casting: Wax injection, Clusters assembly, Coating & Sanding, Dewaxing, Casting, Post cleaning, Heat treatment, Inspection |
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Process |
CNC machining, Auto lathe machining, Meter lathe machining, Wire cutting, EDM cutting, Grinding, Milling, Drilling, Screwing, Cutting, Stamping |
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Surface treatment |
Blacking, Polishing, Anodize, Chrome plating, Zinc plating, Nickel plating or other as requirements |
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Inspection |
Material certificate, Hydrostatic testing, Impeller static & dynamic balancing testing, Non-destructive testing(PT/ RT/ UT/ MT), 3D coordinator, Hardness tester, Roughness tester |
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Certificate |
ISO9001:2015, ISO14001:2004, API Specification Q1 |
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Packing |
1. Small part, single packed then put into paper carton 2. Wooden crates suitable for shipping on the sea 3. We also consider customers' special needs for packing |
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Delivery |
30 days after receiving the deposit. |
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Payment |
70% TT in advance and the balance is paid against the copy of B/L. |
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Mode of transport |
1. Express 2. Sea freight 3. Air shipping 4. Land transport 5. Post |
DONGGUAN HydroBlue is a professional provider of overall technical solutions in the fields of fluid machinery and fluid engineering, industrial equipment automation, and frequency converters.
The company has multi-professional technical talents, including a total of 8 professional technical talents in fluid engineering, electrical engineering, and electronic engineering.
The company has long-term professional and technical cooperation with Jiangsu University, Chinese Academy of Sciences, and Guangdong University of Technology:
- Cooperate with the National Research Center of Pumps in the fields of pump hydraulic model design, hydraulic characteristics research, numerical simulation of flow in the pump, and intelligent energy-saving technology and equipment research
- Cooperate with the Chinese Academy of Sciences in the field of special coating technology for pump wet parts to meet users' exclusive requirements for corrosion resistance and wear resistance
- Cooperate with Guangdong University of Technology in the fields of industrial control and drive such as industrial intelligent equipment and frequency converters
Introducing the brand we created to provide professional overall technical solutions in fluid machinery and engineering. Industrial control and drive equipment, mechanical seals, overseas field engineering solutions, etc.
We have a series of professional technologies and product brands that can provide you with leading technical services, sales support and product supporting solutions - empowering you with pumps, frequency converters, servo drives, PLC servo drives HMI, industrial control cabinets, motors, Reduced motors, mechanical seals and systems, couplings, gearboxes and engineering solutions (overseas on-site service of 3D scanning reverse molding of pump replacement parts to your satisfaction, and on-site equipment debugging services by overseas dispatched engineers).
For centrifugal pump spare parts, packing is arranged by part size and order volume:
- Small part — single packed then put into a paper carton with cushioning.
- Large or heavy casting — protected and packed in a wooden crate suitable for sea freight to avoid damage in transit.
- Custom packing — we can follow a customer's specified packing requirement.
Transport mode is chosen by weight and required lead time: express, sea freight, air shipping, land transport, or post.
Q1: Are you a factory or a trading company?
A: We are a professional service provider of customized complete solutions in the field of fluid machinery and fluid engineering, including replacement parts such as centrifugal pump wet-end and support components supplied to suit SANDPIPER-type pumps.
Q2: Is this an original SANDPIPER part?
A: No. We supply compatible replacement parts built to the original geometry and function. SANDPIPER is referenced for identification and compatibility only; we are not affiliated with the original manufacturer.
Q3: Which parts can you supply?
A: Typical items include the discharge manifold, pump casing, casing cover, impeller, expeller, side plate, shaft, bearing cover, labyrinth ring, GAMMA seal deflector, packing seal, and isolator, plus service kits where needed.
Q4: Can you match the material to my fluid?
A: Yes. Material is selected from cast iron, wear-resistant cast iron, cast steel, stainless steel, duplex stainless, or cast alloy steel, based on the fluid, temperature, and abrasion/corrosion condition.
Q5: Do you supply only the discharge manifold or the full set?
A: Both. We can supply a single part such as the discharge manifold, or a matched set of wet-end parts for an overhaul, depending on what your downtime and stock plan require.
Q6: What is the lead time and MOQ?
A: Lead time is generally about 30 days after deposit; 1 set is normally acceptable for a replacement part. Exact lead time is confirmed at order by part and quantity.
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