Dongguan HydroBlue Co., Ltd.
| Pump Package | Carton and Wooden Cases |
| Material 1 | Cast Iron, Wear-Resistant Cast Iron, Cast Steel |
| Trademark | Vinsome |
| Certificate | ISO9001:2015, ISO14001:2004, API Specification Q1 |
| Transport Package | Carton and Wooden Cases |
| Origin | China |
| Material 2 | Stainless Steel, Duplex Ss, Cast Alloy Steel |
| Specification | According to the drawings |
| HS Code | 84139100 |
| 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. | Oil breath |
View Detail Information
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Product Specification
| Pump Package | Carton and Wooden Cases | Material 1 | Cast Iron, Wear-Resistant Cast Iron, Cast Steel |
| Trademark | Vinsome | Certificate | ISO9001:2015, ISO14001:2004, API Specification Q1 |
| Transport Package | Carton and Wooden Cases | Origin | China |
| Material 2 | Stainless Steel, Duplex Ss, Cast Alloy Steel | Specification | According to the drawings |
| HS Code | 84139100 | 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. | Oil breath |
| High Light | Sulzer pump oil breather cap ，industrial pump replacement parts ，precision casting breather cap | ||
DONGGUAN HydroBlue CO.,LTD. is an engineering-based provider of high-quality pump replacement components to the global industrial fluid handling market — structured around the understanding that dependable pump operation begins with correctly specified, precisely manufactured parts at every level of the assembly.
Our technical team of 8 engineers and technicians integrates knowledge across the critical disciplines for pump engineering: hydraulic system design, mechanical design and precision machining, power electronics, and electronic measurement and control. This cross-functional capability allows us to evaluate each part request in the context of the operating system rather than processing it as an isolated transaction.
Our research collaborations expand our technical foundation:
Provide your SULZER pump model and oil sight glass details — we will confirm the correct specification and return a formal quotation with confirmed delivery timing.
Our proprietary brand delivers fully integrated fluid machinery solutions under a single point of accountability — combining parts supply, system engineering, and international field services. The product portfolio includes pumps, frequency converters, servo drives, PLC-HMI controllers, motor control cabinets, electric motors and gear reducers, mechanical seals and assemblies, couplings, and gearboxes. Field engineering services include overseas FARO 3D scanning, laser alignment, pump commissioning, and on-site debugging by our own engineers.
SULZER Oil Sight Glass & Oil Cup Assembly is a bearing-housing-mounted visual indicator that allows operators and maintenance personnel to verify the oil level in the bearing housing without opening the pump. It typically consists of a transparent sight glass (borosilicate glass tube or acrylic prism), a metal or polymer body that threads into the bearing housing wall, sealing O-rings or gaskets, and a protective cage or shroud in some configurations. Some designs include a spring-loaded oil cup that maintains a constant oil level by allowing excess oil to return to the housing while keeping the sight glass filled at the correct level.
The oil cup may also serve as a filling port for adding oil to the bearing housing without disassembly. In pumps operating in outdoor or washdown environments, the sight glass allows quick visual confirmation that the oil level is correct before start-up and during routine inspection rounds.
Our replacement oil sight glasses and cup assemblies are manufactured to match the original SULZER bearing housing thread pattern, mounting dimensions, and seal profile.
|
Category |
Details |
|---|---|
|
Product |
Oil Sight Glass / Oil Cup Assembly – SULZER pump bearing housing replacement |
|
Application |
SULZER process pumps, vertical pumps, end-suction pumps — contact for model compatibility |
|
Material (Body) |
Brass, SS 304, SS 316, Aluminum, Cast iron, Polymer (PA/PC) |
|
Material (Sight Glass) |
Borosilicate glass, Polycarbonate (PC), Acrylic (PMMA) |
|
Seal Material |
NBR (standard), FKM (for high-temp oil), PTFE |
|
Thread Type |
Metric (M), BSPP, BSPT, NPT, UNF — per pump housing specification |
|
Standards |
DIN, ISO, ANSI, ASTM |
|
Process |
CNC turning, Threading, Drilling, Polishing, Injection molding (polymer) |
|
Inspection |
Thread gauge check, Seal fit test, Visual clarity inspection, Pressure test |
|
Certificate |
ISO9001:2015, ISO14001:2004 |
|
Delivery |
10–15 days after deposit (standard); 20 days for 316 SS or special thread |
|
Payment |
70% TT in advance, balance against copy of B/L |
|
Body Material |
Oil Temperature Limit |
Best For |
|---|---|---|
|
Brass |
≤ 150°C |
Standard mineral oil; good machinability, low cost |
|
SS 304 |
≤ 200°C |
Corrosive environment, outdoor installations |
|
SS 316 |
≤ 200°C |
Chemical plants, seawater-adjacent installations |
|
Aluminum |
≤ 120°C |
Lightweight, non-sparking; food-grade or OEM-specific configurations |
|
Polymer (PA/PC) |
≤ 100°C |
Cost-sensitive applications, integrated sight glass design |
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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