Dongguan HydroBlue Co., Ltd.
| Pump Package | Carton and Wooden Cases |
| Material 2 | Stainless Steel, Duplex Ss, Cast Alloy Steel |
| Specification | According to the drawings |
| HS Code | 84139100 |
| Material 1 | Cast Iron, Wear-Resistant Cast Iron, Cast Steel |
| Trademark | HydroBlue |
| Certificate | ISO9001:2015, ISO14001:2004, API Specification Q1 |
| Transport Package | Carton and Wooden Cases |
| Origin | China |
| Material Standard | ASTM, ANSI, SAE, Uns, DIN, En, ISO, Toct |
| Mould | Investment Casting Mould, Sand Casting Mould |
| Production Capacity | 10, 000 Tons Per Year |
| Types of Welding Parts | OEM/ODM |
| Pump Model. | Mc/MD/G Sg/CD8/Bbtd/Msd/Mca/Mce/Mcv |
| Testing | Dynamic Balancing |
| Model NO. | spare parts |
View Detail Information
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Product Specification
| Pump Package | Carton and Wooden Cases | Material 2 | Stainless Steel, Duplex Ss, Cast Alloy Steel |
| Specification | According to the drawings | HS Code | 84139100 |
| Material 1 | Cast Iron, Wear-Resistant Cast Iron, Cast Steel | Trademark | HydroBlue |
| Certificate | ISO9001:2015, ISO14001:2004, API Specification Q1 | Transport Package | Carton and Wooden Cases |
| Origin | China | Material Standard | ASTM, ANSI, SAE, Uns, DIN, En, ISO, Toct |
| Mould | Investment Casting Mould, Sand Casting Mould | Production Capacity | 10, 000 Tons Per Year |
| Types of Welding Parts | OEM/ODM | Pump Model. | Mc/MD/G Sg/CD8/Bbtd/Msd/Mca/Mce/Mcv |
| Testing | Dynamic Balancing | Model NO. | spare parts |
| High Light | Sulzer pump stainless steel impeller ，closed type Sulzer pump parts ，high precision Sulzer pump impeller | ||
DONGGUAN HydroBlue CO.,LTD. is an innovation-led enterprise delivering comprehensive technical solutions in fluid machinery, fluid engineering, industrial automation, and frequency conversion technologies. Our cross-functional engineering team of 8 professionals in fluid engineering, electrical engineering, and electronic engineering blends academic research capabilities with agile manufacturing. Partnerships with Jiangsu University, Chinese Academy of Sciences, and Guangdong University of Technology keep our hydraulic design and surface coating capabilities at the leading edge internationally.
Share your pump model and impeller specifications — our engineering team will verify compatibility and provide a detailed technical proposal with lead time and pricing.
Our brand was established to deliver integrated technical solutions in the fluid machinery and engineering sectors. Backed by a complete portfolio of specialized technologies and product lines, we offer clients expert technical consultation, commercial support, and bundled product solutions — from pumps and frequency converters to servo drives, PLC-HMI, industrial control cabinets, motors, mechanical seals and assemblies, couplings, gearboxes, and full-cycle engineering services (overseas on-site 3D scanning reverse molding of pump replacement parts and field equipment debugging by our dispatched engineers internationally).
FLOWSERVE Closed Impeller (also called enclosed or shrouded impeller) is a centrifugal pump impeller with a front shroud and back shroud enclosing the internal vanes. The closed design creates fully enclosed flow passages that maximize hydraulic efficiency by minimizing recirculation losses and preventing fluid bypass between the pressure and suction sides of the impeller. This makes the closed impeller the preferred choice for high-head, high-efficiency applications handling clean or moderately contaminated fluids.
Unlike open or semi-open impellers, the closed impeller has no adjustability for wear — when the wear rings are worn, they are typically replaced rather than adjusted. The enclosed vane arrangement provides better structural rigidity, allowing higher rotational speeds and operating pressures without vane deflection. Common failure modes include wear ring erosion (from abrasive particles in the pumped fluid), vane erosion at the inlet tips, and corrosion pitting in aggressive chemical service.
Our replacement FLOWSERVE closed impellers are manufactured to original hydraulic profiles using FARO 3D laser scanning for reverse engineering. Each impeller is statically and dynamically balanced to ISO 1940 G6.3 or better, with full material and quality certification.
|
Category |
Details |
|---|---|
|
Product |
Closed Impeller – FLOWSERVE centrifugal pump replacement |
|
Application |
FLOWSERVE centrifugal, process, and multi-stage pumps — contact for model compatibility |
|
Impeller Type |
Closed (shrouded) with front and rear shroud; multiple vane configurations available |
|
Material |
Cast iron, Wear-resistant cast iron, Cast steel, Stainless steel, Duplex SS, Cast alloy steel, Bronze (seawater) |
|
Standards |
ASTM, ANSI, SAE, UNS, DIN, EN, ISO, TOCT |
|
Reverse-Engineering |
FARO 3D Laser Scanning, Laser Alignment, CFD validation |
|
Casting Method |
Investment casting (precision), Sand casting (large diameter) |
|
Process |
CNC machining, Auto lathe, Meter lathe, EDM, Grinding, Milling, Drilling |
|
Balancing Grade |
ISO 1940 G6.3 standard; G2.5 available for high-speed process pumps |
|
Surface Treatment |
Blacking, Polishing, Epoxy coating, Chrome plating, Rubber lining |
|
Inspection |
Material cert, Balancing test (static + dynamic), NDT (PT/RT/UT/MT), 3D CMM, Hardness, Roughness |
|
Certificate |
ISO9001:2015, ISO14001:2004, API Specification Q1 |
|
Packing |
Individual foam wrap; export carton or wooden crate |
|
Delivery |
30 days after deposit |
|
Payment |
70% TT in advance, balance against copy of B/L |
|
Service Medium |
Recommended Material |
|---|---|
|
Clean water, ambient temperature |
Cast iron |
|
Sand-laden water, irrigation |
Wear-resistant cast iron |
|
Seawater, brackish water |
Duplex SS / Bronze |
|
Chemical process (corrosive) |
Stainless steel 316 / Duplex SS |
|
High-temperature process |
Cast steel / Cast alloy steel |
|
Abrasive slurry |
Wear-resistant cast iron + rubber lining |
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2006
Total Annual:
$10 Million-US$50 Million
Employee Number:
50~100
Ecer Certification：
Verified Supplier
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