SSIC Silicon carbide nozzle
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- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t
- Supply Capability:
- 50 m.t/month
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Specification
Tailor-made for customers all kinds of pumps with my company, kettle, bearing no pressure sintering silicon carbide mechanical seal, and all kinds of resistance corrosion pump parts and the accessories. Our company pressureless sintered silicon carbide products a reaction bonded silicon carbide products, can easily adapt to the harsh working conditions, in strong corrosive, strong wear, high temperature, high pressure, high strength harsh harsh under complex conditions is more outstanding. At the same time, our company to provide customers with nozzles, armored body armor plate and other special-shaped pieces of custom-made service.
Compared with the reaction sintered silicon carbide product (SSIC), the production process of the sintered silicon carbide product (RBSIC) is complex and the production investment is high. In addition, whether it is in the resistance to corrosion and abrasion, compressive and flexural fracture resistance of or high pressure, high temperature and other properties are more excellent, this is pressureless sintering silicon carbide products will in the near future completely replace reaction bonded silicon carbide products is one of the important reasons. The main varieties of the pressureless sintering silicon carbide products with all kinds of mechanical seal with sealing ring and moving ring and static ring, corrosion resistant pump, magnetic pump, shield pump components. At the same time, the production special-shaped pieces of nozzle, wire drawing die, armor plate. According to the drawings, we will provide customers with satisfactory products and customer satisfaction. Let customer satisfaction is one of the purposes of our company has been pursued, but also one of the objectives pursued by all the staff of our company.
Features: high temperature resistance, wear resistance, corrosion resistance, oxidation resistance, hardness, heat conduction
Main products: mechanical seals, pump parts, nozzles, bullet proof plate
Mechanical seals: high hardness, high wear resistance, good self - Lubrication and high heat conductivity, so the service life of mechanical seal is greatly improved.
Pump: resistance to corrosion and wear characteristic of the pressureless sintering silicon carbide become magnetic pump sliding bearing, resistant corrosion pump sleeve, shielding pump assembly, etc. various kinds of pump of choice
Nozzle: wear resistant, high temperature resistance, high hardness characteristics of the normal pressure sintering silicon carbide nozzle to become a perfect alternative to carbide nozzle
Armor: light weight, high hardness, good ballistic performance, pressureless sintering of SiC for your life and property security escort
Here are some of the pressure sintered silicon carbide products, physical and chemical parameters:
medium | content | Causticity | |||||||
Atmospheric SIC | The reaction SIC WC | WC | AL2O3 | ZrO2 | Si3N4 | stainless steel | steel | ||
HNO3 nitric acid | 50% | A | A | C | A | A | C | C | C |
Hydrochloric acid HCI | 35% | A | A | C | A | A | C | C | A |
Sulfuric acid H2SO4 | 98% | A | A | C | A | A | C | C | A |
Hydrofluoric acid HFF | 40% | A | C | C | C | C | C | C | C |
Phosphoric acid H5PO4 215OC | 85% | C | C | C | C | C | C | C | C |
HNO3+HF | 20%+5% | A | C | C | C | C | C | C | C |
Sodium chlorate NaCIO | 10% | A | B | C | A | A | A | C | A |
Sodium hydroxide NaOHH | 50% | A | C | A | B | A | B | A | A |
Potassium hydroxide KOH | A | C | A | B | A | B | A | A | |
Acetic acid CH3COOHH | 80% | A | A | C | A | A | C | C | C |
Sodium sulfate + Na2CO3 + H2SO4 925OC
| A | A | C | A | A | C | C | B | |
Silica solution SIO2
| B | C | C | C | C | C | |||
Assessment Method: the specimen prior polishing, immersed in the test liquid (70OC) for 100 hours, the weight was measured and observed microstructure, weight reduction is calculated by the degree of corrosion was observed microstructure for corrosion to comprehensive judgments. | |||||||||
A level (corrosion): corrosion rate ≤0.125mm / ingredients in a small amount of corrosion observed slice | |||||||||
Level B (somewhat resistant): corrosion rate = 0.125-1.0mm / or annual corrosion rate ≤0.125mm / observe a large number of corrosion | |||||||||
Class C (resistant to corrosion): corrosion rate ≥1.0mm / or the main ingredient of Corrosion
Silicon carbide performance indicators
Index Name
| Atmospheric SiC | Reaction Bonded Silicon Carbide |
Purity (%) of silicon carbide | ＞ 97 | ＞90 |
Density (g / cm) | 3.06-3.15 | ＞3.05 |
Particle size (um) | 0.5-0.7 | 8-20 |
Hardness (HRA) | ≥90 | ≥90 |
Flexural Strength (MPa) | 400-580 | 350-450 |
Compressive strength (MPa) | 3900 | ＞2500 |
Fracture Strength (MPa) | 3.05-4.6 | 4.3 |
Elastic Modulus (GPa) | 380-410 | 420 |
Thermal conductivity | 102.6 | 35-110 |
Coefficient of thermal expansion (1 / ℃) | 4.02×10 | 4.3×10 |
Poisson's ratio | 0.14 | 0.15 |
- Q: What is the recommended clearance between the pump shaft and impeller?
- The recommended clearance between the pump shaft and impeller typically depends on the specific pump design and manufacturer's guidelines. However, in general, a small clearance is usually recommended to minimize leakage and maximize pump efficiency. This clearance allows for smooth rotation of the impeller without causing excessive friction or wear on the shaft. It is important to consult the pump's technical documentation or contact the manufacturer for the specific recommended clearance for optimal performance and longevity of the pump.
- Q: What is the difference between a solid and hollow pump shaft?
- A solid pump shaft is a single, continuous piece of material that has a uniform diameter throughout its entire length. It is generally stronger and more durable compared to a hollow pump shaft. The solid shaft is capable of transmitting higher torque and can handle heavier loads without bending or breaking. On the other hand, a hollow pump shaft has a hollow cavity running through its center, which reduces the overall weight of the shaft. The hollow design allows for cost savings in terms of material usage and manufacturing. Additionally, the hollow cavity can be utilized to pass fluids or gases, making it suitable for applications where internal passage is required, such as in chemical or hydraulic systems. In terms of structural integrity, a solid pump shaft is generally more rigid and less prone to deflection or vibration compared to a hollow shaft. This rigidity is crucial in applications where precise alignment and minimal deflection are necessary, such as high-speed rotating equipment. The choice between a solid and hollow pump shaft depends on various factors, including the application requirements, load capacity, desired weight, and cost considerations. If strength, durability, and resistance to deflection are crucial, a solid shaft would be the better choice. However, if weight reduction, internal fluid passage, or cost optimization are important, a hollow shaft may be preferred.
- Q: What are the different methods for connecting a pump shaft to a motor?
- There are several methods for connecting a pump shaft to a motor, including direct coupling, flexible coupling, belt and pulley system, and gearbox.
- Q: What are the key factors to consider when selecting a pump shaft for oil and gas applications?
- When selecting a pump shaft for oil and gas applications, several key factors need to be considered. These include the material composition of the shaft, its strength and durability, resistance to corrosion and wear, compatibility with the fluid being pumped, and the operating conditions such as temperature and pressure. Additionally, factors like shaft size, alignment, and balance are also crucial for optimal performance and reliability in oil and gas applications.
- Q: How are pump shaft spacers selected?
- Pump shaft spacers are selected based on various factors including the specific application requirements, pump design, and shaft alignment considerations. The selection process involves analyzing the operating conditions, such as the pump speed, temperature, pressure, and fluid being pumped. To begin with, it is important to consider the material compatibility of the spacer with the fluid being handled. The spacer should be made of a material that is resistant to corrosion, erosion, or any other potential chemical reactions that may occur. Another crucial factor is the shaft alignment. Pump shafts need to be aligned properly to ensure smooth operation and minimize wear and tear. Shaft spacers are used to adjust the axial position of the impeller and maintain the required clearance between the impeller and the pump casing. The spacer thickness is determined based on the desired axial position and clearance requirements. Furthermore, the spacer dimensions, such as the inner and outer diameters, should match the pump shaft and casing dimensions. It is essential to ensure that the spacer fits securely onto the pump shaft and does not cause any interference with other pump components. In some cases, additional considerations like temperature changes or thermal expansion may influence the selection process. For instance, in high-temperature applications, the spacer material should have excellent thermal conductivity to dissipate heat efficiently. Overall, the selection of pump shaft spacers requires a thorough understanding of the pump system, its operating conditions, and alignment requirements. Consulting with experts or manufacturers can be beneficial to ensure an appropriate selection that meets the specific needs of the pump application.
- Q: What is the effect of a damaged impeller on the pump shaft?
- The pump shaft can experience various effects as a result of a damaged impeller. Firstly, there can be an increase in vibration and imbalance in the shaft, which may lead to potential misalignment and a decrease in pump efficiency. This, in turn, can cause the shaft and other pump components to experience increased wear and tear, possibly resulting in premature failure. Furthermore, a damaged impeller can lead to the pump operating at a higher load, necessitating more power from the motor to maintain the desired flow rate. This heightened load can place additional stress on the pump shaft, potentially causing bending or even breakage if the damage is severe enough. Moreover, a damaged impeller can also give rise to cavitation within the pump. Cavitation refers to the formation and subsequent collapse of vapor bubbles due to areas of low pressure. This cavitation can cause erosion and pitting on both the impeller and pump shaft, leading to further damage and a decrease in performance. In conclusion, a damaged impeller can result in detrimental effects on the pump shaft, including increased vibration, reduced efficiency, heightened load, and potential cavitation. It is crucial to promptly address any impeller damage to prevent further harm and maintain optimum pump performance.
- Q: How do you prevent pump shaft galling?
- There are several measures that can be taken to prevent pump shaft galling: 1. Adequate lubrication is crucial. Make sure to use a suitable lubricant that reduces friction and prevents metal-to-metal contact, thus minimizing the risk of galling. 2. Choose a pump shaft material that is resistant to galling. Common options include stainless steel or alloys with high chromium content. 3. Pay attention to the surface finish of the pump shaft. Rough or uneven surfaces can increase friction and promote galling. Consider polishing or grinding the shaft to achieve the desired smoothness. 4. Avoid subjecting the pump shaft to excessive loads or stresses. Ensure that the pump is properly sized and operated within its design limits to prevent overloading. 5. Implement a regular maintenance schedule to inspect and clean the pump shaft. This will help identify signs of wear or damage early on and allow for timely repairs or replacements. 6. During installation, ensure proper assembly and alignment of the pump shaft with the mating components. Misalignment can result in increased friction and galling. Use appropriate tools and techniques to ensure accurate alignment. 7. Consider applying a protective coating or plating to the pump shaft. This can provide an additional layer of protection against galling. Options such as hard chrome plating or ceramic coatings can be considered based on specific application requirements. By implementing these preventive measures, the risk of pump shaft galling can be significantly reduced, leading to improved performance and longevity of the pump system.
- Q: How can a pump shaft be protected from corrosive fluids?
- A pump shaft can be protected from corrosive fluids through various methods. One effective approach is to use corrosion-resistant materials for constructing the pump shaft. Stainless steel alloys, such as 316 stainless steel, are commonly used due to their high resistance to corrosion from a wide range of fluids. These materials have a protective oxide layer that forms on their surface, preventing the corrosive fluids from directly interacting with the shaft. Another method is to implement a protective coating on the pump shaft. Coatings like epoxy, polyurethane, or ceramic coatings can provide an additional layer of protection against corrosive fluids. These coatings act as a barrier, preventing the corrosive substances from coming into contact with the pump shaft. Furthermore, it is important to consider the design of the pump system. By implementing proper engineering practices, such as ensuring proper sealing and minimizing the exposure of the pump shaft to corrosive fluids, the risk of corrosion can be reduced. This may include using appropriate gaskets, seals, or protective covers to prevent direct contact between the shaft and corrosive fluids. Regular maintenance and inspections are also crucial in protecting the pump shaft from corrosion. Monitoring the condition of the shaft, detecting any signs of corrosion or wear, and promptly addressing these issues can help prolong the lifespan of the pump shaft and prevent costly repairs or replacements. In summary, protecting a pump shaft from corrosive fluids involves using corrosion-resistant materials, applying protective coatings, implementing proper system design, and conducting regular maintenance and inspections. These measures can significantly enhance the durability and performance of the pump shaft in corrosive environments.
- Q: How is a pump shaft coupled to the motor or drive system?
- A motor or drive system is typically connected to a pump shaft using a coupling device. This device allows for the transfer of power from the motor to the pump by connecting their respective shafts. Depending on the specific requirements and application, there are various types of coupling devices available. Some common ones include flexible couplings, rigid couplings, and gear couplings. Flexible couplings are favored because they can accommodate some misalignment between the pump shaft and the motor shaft. They have flexible elements like rubber or elastomer inserts that absorb misalignment and reduce vibration. On the other hand, rigid couplings are used when precise alignment between the pump shaft and the motor shaft is crucial. They are designed to create a direct and solid connection between the two shafts, minimizing any misalignment or movement. Gear couplings are often used in applications that require high torque transmission. They consist of two gear hubs with external gear teeth that mesh together, forming a strong and efficient connection between the pump shaft and the motor shaft. Regardless of the type of coupling used, it is essential to ensure proper alignment and installation to prevent premature wear, vibration, or damage to the pump or motor components. Regular maintenance and inspection of the coupling system are also recommended to ensure optimal performance and longevity.
- Q: What are the signs of wear or damage on a pump shaft?
- A pump shaft can display various indications of wear or damage. Excessive vibration or shaking during operation is one of the most common signs. This may occur due to shaft misalignment, worn bearings, or damaged seals. Unusual sounds or noise emanating from the pump, like grinding or squealing, can also serve as an indicator. This suggests that the shaft is rubbing against other components or lacking proper lubrication. Furthermore, visible signs of wear or damage on the shaft itself, such as grooves, pitting, or discoloration, can signify a problem. Regularly inspecting the pump shaft for these signs is crucial, as addressing any issues promptly can prevent further damage or breakdown of the pump system.
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SSIC Silicon carbide nozzle
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t
- Supply Capability:
- 50 m.t/month
OKorder Service Pledge
OKorder Financial Service
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