Tianjin Renjie industrial material and technique Co., Ltd.
Tianjin Renjie industrial material and technique Co., Ltd.

MATERIAL SOURCING

Our sources its materials from reputable suppliers and conducts rigorous quality checks to ensure that its products meet the highest standards.

Tianjin Renjie industrial material and technique Co., Ltd.

LATEST TECHNOLOGY

Tianjin Renjie Industrial Material Technology Co., Ltd. invests in the latest technologies to develop and produce high-quality sealing materials.

Tianjin Renjie industrial material and technique Co., Ltd.

INDUSTRY SOLUTIONS

Tianjin Renjie Industrial Material Technology Co., Ltd. provides customized sealing solutions for a wide range of industries.

Tianjin Renjie industrial material and technique Co., Ltd.

WHAT WE DO

ABOUT US

Tianjin Renjie Industrial Material Technology Co., Ltd. was officially registered in 20079Month, is a research, development, production and sales of rubber products based on science and technology enterprises.

The company's main products: steel wire braided hose, steel wire winding hose, high and low pressure rubber pipe, cloth hose, food hose, tetrafluorine hose, metal hose, etc.; Ordinary conveyor belts, burn-resistant conveyor belts, fabric core conveyor belts, flame retardant conveyor belts, seals of various properties and materials; A wide range of filter elements.

It has been widely used in transportation, electric power, machinery manufacturing, iron and steel, iron and steel, metallurgy, chemical industry, food and other industries.

Tianjin Renjie industrial material and technique Co., Ltd. OUR PRODUCTS Tianjin Renjie industrial material and technique Co., Ltd.

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What is the Difference Between Food Grade Hose and Non-Food Grade Hose?

BY JAMES MAY 2023

The hoses used in gardening and tap water flow are safe for human consumption. These same hoses also work for large-scale food and beverage production industries. The question arises of plastic's impact on human and animal health. That impact occurs when the plastic starts leaching harmful elements into the content that passes through it. Then comes food-grade material, which makes a hose safe for humans and animals. However, things become different and secure when a food-grade hose is used. These hoses with food-grade nature prevent the reaction between the liquid inside them and the plastic. Since plastic is free of harmful chemicals, users get safe results. What are those safe results? You will find it below. FDA Approval and Certification Make a Difference Without the FDA's approval, there is no chance anything can pass through the clearance. Since hoses have to transmit liquids of different kinds, they may react with some chemicals inside them. To prevent that chemical reaction, a food-grade hose seller has to comply with FDA standards. Then, the hose can be declared food-grade.    Some global standards and certifications like NSF 51, NSF 61, and FDA must be followed. Whether a hose is made of PVC or PU, the safety standards are mandatory. These standards create differences between ordinary hoses and food-grade hoses. That makes a manufacturer or exporter eligible to manufacture them for industrial and domestic use. Likewise, water supply in the domestic sector and food and beverage production in industries must use food-grade type. They can not go with ordinary hoses since they can cause chemical reactions in the liquid transmitted through them. Food-Grade Hose Has No Leaching  Chemical leaching is the main problem that separates ordinary hoses from food-grade ones. Food-grade hoses are specially manufactured to address these challenges, making them safe for human and animal health. Their non-toxic nature makes them compatible with industrial use in food and beverage production. Without any worries regarding chemical leaching, food production centers have used them for a long time.    Even for domestic use, these hoses are safe and reliable. NSF 51 and NSF 61 standards make them safe for tap water flow. That prevents every risk of chemical leaching from the material of the hoses. It happens in ordinary hoses, especially when they get old. They start leaching microplastics and other chemicals inside the water that flows through them. They are Free of Any Plastic Taste and Odor You might have noticed the strange smell of plastic and its taste in water sometimes. This happens when you drink water from a plastic container or hose that releases plastic smell and taste. Plastic is a harmful element that can cause damage after some years of consistent exposure. However, when food-grade hoses are used, they don't pose such a threat.   They are free of any smell and taste that keeps the liquid safe. Whether it is water or any other kind of beverage, industries trust food-grade hoses for large-scale applications. Flowing water through them is safe for human and animal consumption. Neither taste nor smell will come from the liquid you transmit through food-grade hoses.   Food-Grade Type Must be Free of Phthalates and BPA   The last element that separates ordinary hoses from food-grade ones is using two specific chemicals. These two chemicals are found in plastic goods, and hoses are one of them. Many plastic products leach some minor quantities of BPA and phthalates. They are dangerous for human and animal consumption, which means food-grade hoses must be free of them.    Bisphenol A is usually found in general plastic goods, posing threats to human health. Some food-grade hoses might have some BPA, which can be released into the liquid that passes through them. To create a significant difference between food-grade and ordinary hoses, these chemicals must be excluded from the production of hoses. It depends on the manufacturer and how well they use the right material for safe consumption. Conclusion   The significant difference between ordinary and food-grade hoses is the use of chemicals. During production, one must be free of BPA and phthalates. Also, chemical leaching, plastic smell, and taste must be prevented in food-grade applications. What suits these applications is nothing but food-grade hoses. 

Why Quality Matters in Hydraulic Cylinder Seal Kits for Large-Scale Industrial Applications

BY JAMES MAY 2023

Maintaining massive construction machines is not easy. You have to choose only the best grade of components to keep the machines in good shape. Likewise, when you have a large fleet of machines like excavators, there is a need for high-grade seal kits. One of the proven methods is to make considerations during the purchase process. If you try to save money by compromising the quality at a low price, many challenges will await you. For instance, the seal kits you install in the heavy machine’s hydraulic cylinder must be the best. If they are not the best, there will be consequences.  These consequences will make you procure only the best-quality cylinder kits. Here are the detailed reasons why quality matters. High Chances of Accurate Adaptability  Adaptability is the most important factor when you go for large-scale industrial applications. Since hydraulic cylinder seal have to be installed precisely, high performance is expected by users. If they don’t get such performance, there is a lack of adaptability. People go for affordable hydraulic cylinder seal to maintain accuracy and adaptability. They can’t get such accuracy unless the kits they install are compatible with machines. When you choose parts that meet the requirements to complete the compatibility, you get the highest level of performance.  Why Adaptability? Accuracy is very important; when you combine it with adaptability, you get efficient performance. These outcomes are the reasons why people go for large-scale industrial applications. They know that machines like excavators will perform well if their hydraulic cylinder seal kits work perfectly. Industrial users can not afford poor or mediocre performance by purchasing in large volumes. They need high adaptability to maintain accuracy in the applications. No excavator can maintain good performance with low compatibility of hydraulic cylinder seal.  Consistent Performance All heavy machines need hydraulic cylinder seal kits of the same quality to give consistent performance. There will be no consistency if there is even a slight difference between their quality levels. Some excavators might perform great, and some might not. Quality differences will result in inconsistent performance, and no business wants that. If it is a construction company, one can not afford to face such problems.  Why Consistency? Consistency is crucial because it makes the foundation of a brand. Your brand must bear the cost if your excavators or other heavy machines perform poorly. That cost could be caused by oil leakage, low pressure, and similar issues in the hydraulic cylinder. Since the hydraulic system relies on cylinder seal kits, you can expect a significant impact from these kits.   Low Maintenance Because of High Quality The higher the quality of the hydraulic cylinder seal kits, the less maintenance they will need. That also means that higher quality will lead to more durability. Then, there will be less of a need for maintenance. It will reduce the cost of maintenance. If maintenance costs are less, the overall cost of operation will also be reduced. So, high-quality hydraulic cylinder kits will increase performance without bothering users for frequent maintenance. They can rely on the longevity of kits for low-maintenance usage. It will also not bother the excavator operators frequently.   Why Does Maintenance Cost Matter? Maintenance costs matter because they affect the overall project cost. Saving money on low-quality seal kits will cause long-term problems. The cost of maintenance will not only increase but also frustrate the operators. If all the machines have the same low-quality kits, they will keep bothering users with back-to-back maintenance. Superior Resistance to Heat, Pressure, and Shocks Why do people go for high-quality seal kits for hydraulic cylinders? To get the best resistance level against heat, pressure, and shocks? Their primary purpose is fully supporting hydraulic cylinders by resisting heavy forces like heat, pressure, and shocks. Any ordinary quality can not deal with these challenges. This is why only the best quality has to come for the duty. The heat in the operation is extremely high, and the seal kit has to deal with it.   Likewise, the pressure in a hydraulic process is extremely high, and you can expect how much strength a seal kit offers. Similarly, the shocks in the excavators are potent, and ordinary seal kits can’t deal with them. Users need only the superior resistance level from these kits. This is why the quality matters the most in this case.  Prevention of Hydraulic Oil Leakage  One main concern is hydraulic oil leakage. Users do not want that to happen at all costs. If it happens, there will be high friction and a drop in hydraulic cylinder performance. They can not perform well without the right support from seal kits. The leakage of hydraulic oil will make the cylinders messy during operations. Always remember that a high-quality kit will keep pressure on every joint to prevent leakage.  All the Kits Give Top-Grade Performance Equally When you purchase hydraulic cylinder seal kits, you want the same performance from all. This helps you use your excavator fleet for construction projects without worries. You know that if one excavator performs well, the others will perform similarly. This top-grade performance comes only when you choose the best quality. Large-scale industrial applications can not rely on ordinary hydraulic cylinder kits. They must be the best to fulfill all the requirements in the harshest conditions.  Conclusion These are the reasons why quality matters in large-scale applications. Heavy machines cannot be expected to give up at a crucial moment using low-quality seal kits. Their hydraulic cylinders must get full support from seal kits for the best performance.  

What Is The Function Of The O-Ring Seal?

BY JAMES MAY 2023

An O-ring is a circular ring of elastomer fitted into a groove and deformed elastically during the joining of two or more components to form a seal between the two surfaces. O-rings are flexible and applicable to many uses, manufactured from rubber, silicon, nitrile, or any other polymer. Their primary purpose is to act as a barrier to gases or liquids from one system section to another and offer a constant seal in static and dynamic situations. In this blog, the focus will be to understand how O-ring seals function. Understanding O-Ring Function The working principle of an O-ring seal is quite simple but effective. When located between two touching surfaces, an O-ring plays a vital function: compressing and sealing the clearance to prevent fluid leakage. Here's a more detailed look at the process. Compression Sealing: When in place, the O-ring will be slightly smaller in diameter than the groove in which it lies, and thus, no fluid can pass through. The compression also helps to guarantee that the O-ring seal is in complete contact with the sealing faces and eliminates all possible leakage paths. Pressure Sealing: The O-ring is positioned to contain pressure in dynamic applications, such as hydraulic or pneumatic systems. The above pressure forces the O-ring to deform further and increase the seal. With increasing pressure, the contact force of the O-ring to the groove walls rises, which results in enhanced sealing capability. Elastic Memory: The elastomeric material enclosing the O-ring is compressible, yet it possesses an inherent quality of regaining its original shape. This characteristic allows the O-ring to sustain the sealing capability after being compressed and decompressed repeatedly, which is suitable for conditions where the seal is successively engaged and disengaged. Applications of O-Ring Seals O-rings are versatile seals applied in a relatively wide range of industries because of their simplicity of installation and relatively low price. Here are some of the common applications: Automotive: O-rings seal fluid leakage in engines, fuel, air conditioning, and braking systems. Aerospace: Critic of sealing fuel, hydraulic, and other systems where leaks are unacceptable. Industrial Machinery: It is used to stop leakage and build pressure in pumps, valves, cylinders, and many other machinery parts. Medical Devices: O-rings used in medical equipment are seals and essential in ensuring that the equipment is not contaminated. Home Appliances: It is a crucial component in dishwashers, washing machines, and faucets, preventing water leakage and guaranteeing correct operation.   Factors Affecting O-Ring Performance While O-rings are highly effective, their performance can be influenced by several factors: Material Compatibility: The selection of material for an O-ring is essential as it depends on the fluid that is to be sealed by this O-ring. For example, nitrile O-rings are compatible with petroleum-based oils, suitable for high temperatures but have poor high-pressure performance. Silicone O-rings are ideal for extreme temperatures but poor in high pressure. Temperature: O-rings must be able to handle the temperature of the environment in which they are used. If the temperature is too high, the O-ring will decompose or become rigid, and if it is too low, it will become brittle and lose its flexibility. Pressure: In high-pressure applications, the O-rings should have a higher durometer (hardness) to avoid extrusion, a phenomenon in which the O-ring is squeezed out of its channel. Installation: Correct installation is essential to ensure flawless o-ring performance. Misalignment can cause twist or tear, thus affecting the seal's ability to seal properly. Lubrication during installation will prevent the o-ring from getting damaged, especially if improper seating is likely to occur during installation. Wear and Tear: O-rings are vulnerable to degradation due to friction, chemical attack, or compression set, which results from repetitive application of loads of pressure and release. Routine checks can detect some wear before it results in seal failure, so they should be conducted frequently. A quality o-ring from a renowned o-ring rubber seal supplier is essential to minimize the replacement cost and frequent repair. Conclusion Therefore, O-ring seals are essential because of their reliability, repeatability, and efficiency in performing sealing functions. Due to their comparatively low cost and the variety of conditions under which they can be used, they are invaluable in numerous workplaces.

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