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The stainless steel sanitary circular normal pressure manhole is an inspection and cleaning equipment used in the sanitary field. Its design ensures a stable pressure environment without affecting the fluid in the pipe or container. The stainless steel sanitary circular normal pressure manhole is usually used in the piping system of the food, beverage, pharmaceutical and other industries, especially installed on tanks, reactors, tanks or other pressure vessels that need regular cleaning, inspection or maintenance. According to different design and application requirements, the stainless steel sanitary circular normal pressure manhole mainly has the following types: flat cover type, window type, quick disassembly type, rubber sealing ring type.
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Stainless Steel Sanitary Round Normal Pressure Manhole For Chemical Industry
The core purpose of the stainless steel sanitary circular normal pressure manhole design is to meet strict hygiene and safety standards, and provide convenient maintenance and cleaning methods without affecting the internal pressure of the container. It is particularly suitable for industries that require frequent inspection and cleaning. Unlike traditional manholes, this design ensures sealing, prevents external air or contaminants from entering the interior, and facilitates the operation of staff. Its circular structure enhances the pressure resistance, helps to carry out necessary maintenance under normal pressure conditions, reduces the potential risks caused by pressure fluctuations, and ensures high efficiency and safety in the production process.
Working Principles
The working principle of the stainless steel sanitary circular atmospheric manhole mainly relies on its sealing structure and convenient opening and closing mechanism. When it is necessary to clean, inspect or repair the inside of the container, the operator first uses a special tool to unlock the locking device of the manhole to ensure the safety of the opening process. The manhole cover is tightly connected to the mouth of the container through the sealing ring to prevent external contaminants from entering the container. After opening, the operator can enter the container through the circular opening for maintenance, while maintaining the normal pressure state of the container to avoid pressure fluctuations affecting the production process. After completing the work, the personnel exit and close the manhole, using the locking mechanism to ensure the sealing and prevent liquid or gas leakage, thereby ensuring hygiene requirements and equipment safety.
The options of the stainless steel sanitary circular atmospheric manhole include:
Window: transparent window for easy observation of the inside of the container.
Quick disassembly device: easy to quickly disassemble and clean.
Sanitary lock: provides higher sealing and safety.
Different sizes: can be customized according to the size of the pipe or container.
Rubber or silicone sealing ring: enhance sealing performance.
Design with vent hole: for gas discharge for special applications.
Specification Chart
Size | 200 to 600 mm |
Material | AISI304, AISI316L |
Seal | EPDM, PTFE, silicon |
Height | 100,120,150mm |
Maximum pressure | 10 bar |
Temperature range | -10 °C ~ 120 °C |
Features
● The stainless steel sanitary circular normal pressure manhole adopts a special anti-corrosion treatment process, including electrolytic polishing or nitriding treatment, which enhances its service life in extreme corrosive environments.
● The internal and external structures of the stainless steel sanitary circular normal pressure manhole cover are optimized and have an automatic pressure balance function. When the internal and external pressures change, ensure that the cover will not deform or leak due to the pressure difference.
● The stainless steel sanitary circular normal pressure manhole seal ring adopts high-precision processing technology to achieve the ultimate sealing performance, the sealing surface is finer, and it can withstand smaller errors.
● The stainless steel sanitary circular normal pressure manhole is equipped with a built-in automatic exhaust device, which can automatically discharge the gas that may be formed inside the container during use to avoid safety hazards caused by gas accumulation.
● The stainless steel sanitary circular normal pressure manhole adopts high-performance materials and special sealing design, which can withstand extreme temperature changes and can work stably from low temperature to high temperature environment.
● The design of the stainless steel sanitary circular normal pressure manhole reduces unnecessary complex structures to ensure that each part can easily contact the cleaning agent and cleaning tools for thorough cleaning.
Application
Stainless steel sanitary round normal pressure manholes are widely used in the following industries: Food and beverage industry: used for inspection, cleaning and maintenance of various food and beverage containers to ensure compliance with strict hygiene requirements. Pharmaceutical industry: used for drug production and storage containers, providing convenient maintenance and cleaning entrances, in line with GMP standards. Chemical industry: used for the management of chemical storage and reaction containers to ensure the cleanliness of the container interior and prevent leakage. Dairy industry: used in dairy production equipment for container cleaning and maintenance to maintain product quality.
Working Principles
The working principle of the stainless steel sanitary circular atmospheric manhole mainly relies on its sealing structure and convenient opening and closing mechanism. When it is necessary to clean, inspect or repair the inside of the container, the operator first uses a special tool to unlock the locking device of the manhole to ensure the safety of the opening process. The manhole cover is tightly connected to the mouth of the container through the sealing ring to prevent external contaminants from entering the container. After opening, the operator can enter the container through the circular opening for maintenance, while maintaining the normal pressure state of the container to avoid pressure fluctuations affecting the production process. After completing the work, the personnel exit and close the manhole, using the locking mechanism to ensure the sealing and prevent liquid or gas leakage, thereby ensuring hygiene requirements and equipment safety.
The options of the stainless steel sanitary circular atmospheric manhole include:
Window: transparent window for easy observation of the inside of the container.
Quick disassembly device: easy to quickly disassemble and clean.
Sanitary lock: provides higher sealing and safety.
Different sizes: can be customized according to the size of the pipe or container.
Rubber or silicone sealing ring: enhance sealing performance.
Design with vent hole: for gas discharge for special applications.
Specification Chart
Size | 200 to 600 mm |
Material | AISI304, AISI316L |
Seal | EPDM, PTFE, silicon |
Height | 100,120,150mm |
Maximum pressure | 10 bar |
Temperature range | -10 °C ~ 120 °C |
Features
● The stainless steel sanitary circular normal pressure manhole adopts a special anti-corrosion treatment process, including electrolytic polishing or nitriding treatment, which enhances its service life in extreme corrosive environments.
● The internal and external structures of the stainless steel sanitary circular normal pressure manhole cover are optimized and have an automatic pressure balance function. When the internal and external pressures change, ensure that the cover will not deform or leak due to the pressure difference.
● The stainless steel sanitary circular normal pressure manhole seal ring adopts high-precision processing technology to achieve the ultimate sealing performance, the sealing surface is finer, and it can withstand smaller errors.
● The stainless steel sanitary circular normal pressure manhole is equipped with a built-in automatic exhaust device, which can automatically discharge the gas that may be formed inside the container during use to avoid safety hazards caused by gas accumulation.
● The stainless steel sanitary circular normal pressure manhole adopts high-performance materials and special sealing design, which can withstand extreme temperature changes and can work stably from low temperature to high temperature environment.
● The design of the stainless steel sanitary circular normal pressure manhole reduces unnecessary complex structures to ensure that each part can easily contact the cleaning agent and cleaning tools for thorough cleaning.
Application
Stainless steel sanitary round normal pressure manholes are widely used in the following industries: Food and beverage industry: used for inspection, cleaning and maintenance of various food and beverage containers to ensure compliance with strict hygiene requirements. Pharmaceutical industry: used for drug production and storage containers, providing convenient maintenance and cleaning entrances, in line with GMP standards. Chemical industry: used for the management of chemical storage and reaction containers to ensure the cleanliness of the container interior and prevent leakage. Dairy industry: used in dairy production equipment for container cleaning and maintenance to maintain product quality.
