How much pressure should the air compressor be equipped with 0.8mpa

Guide for pressure matching of air compressor system pipeline

in the compressed air system, the pipeline is the key component of gas transmission, and its pressure resistance level needs to be scientifically matched with the working pressure of the air compressor to ensure the safe and stable operation of the system. When the rated pressure of Granklin water lubricated screw air compressor is 0.8MPa, the pipeline selection shall follow the following standards:

requirements for pressure resistance class of 1. pipeline

1. base withstand voltage standard
   the rated working pressure of the pipeline shall be higher than the maximum output pressure of the air compressor. It is generally recommended to select pipelines with a pressure resistance rating of 1.0MPa or above to reserve a safety margin.

2. Safety factor considerations
   in order to cope with dynamic factors such as pressure fluctuation and temperature change, the actual pressure resistance of the pipeline should reach 1.5 times of the working pressure of the system. For example, the 0.8Mpa air compressor system is recommended to use a pipeline with a pressure of 1.2MPa or more.

2. material and suitability recommendations

1. recommended material: stainless steel tube
   granklin air compressor output oil-free, dry, high cleanliness of compressed air, it is recommended to choose 304 or 316L stainless steel pipe:
   • corrosion resistance stainless steel material can resist the corrosion of trace moisture and acidic substances in the compressed air, and prolong the service life of the pipeline.
   • Inner wall smoothness: The inner wall roughness of the polished stainless steel pipe is low, which reduces the air flow resistance, avoids the adhesion of impurities, and ensures the cleanliness of the gas.
2. Alternative: High Pressure Galvanized Pipe
   if the budget is limited, the short-term selection of pressure class meet the requirements of galvanized steel pipe, but need to pay attention:
   • the galvanized layer may fall off due to long-term contact with humid air, and it is necessary to regularly check the corrosion of the inner wall of the pipeline.
   • The inner wall roughness is high, which may increase the pressure drop of the system, which needs to be compensated by increasing the pipe diameter.

Key points of 3. installation and maintenance

1. wall thickness design
   the wall thickness of the pipe shall be selected according to the pressure resistance grade. Take the 0.8MPa system as an example:
   • when the pressure-resistant 1.0MPa pipeline is selected, the wall thickness is recommended to be not less than 2.0mm;
   • when the pressure-resistant 1.2MPa pipeline is selected, the wall thickness can be appropriately reduced to 1.5mm, but the pressure-bearing requirements still need to be met.
2. Connection and sealing
   • connection mode argon arc welding or clamping connection is recommended to ensure the sealing of the interface.
   • Sealing material: Use food-grade sealant or ethylene propylene diene monomer rubber (EPDM) sealing ring to avoid leakage caused by aging and cracking.
3. Bracket Fixing
   the pipeline shall be provided with fixed supports along the direction of the pipeline, with the spacing not exceeding 2 m, to prevent the pipeline deformation and the interface loosening due to vibration or thermal expansion and contraction.

4. Testing and Acceptance Criteria

1. pressure Test
   after the installation is completed, inject clean air or water at 1.5 times the working pressure into the system and keep it for 30 minutes. The pressure drop does not exceed 5% as qualified.

2. Leak Detection
   use soapy water or a professional leak detector to check all connections to ensure that no bubbles are generated and the system is sealed.

Adaptation Advantage of 5. and Granklin Air Compressor

1. oil-free environment adaptation
   the corrosion resistance and sealing performance of the stainless steel pipe can perfectly adapt to the oil-free compressed air output by the Granklin air compressor to avoid the introduction of pollution due to pipeline aging or leakage.

2. Long-term stability guarantee
   smooth inner wall and reliable connection mode can reduce system pressure drop, improve energy efficiency, and reduce maintenance frequency at the same time, forming a synergistic advantage with the low maintenance characteristics of Granklin air compressor.

Summary
when the rated pressure of the air compressor is 0.8MPa, it is recommended to use 304 or 316L stainless steel pipes with a pressure resistance grade of not less than 1.2MPa, and strictly follow the installation and testing standards. Through scientific material selection and standardized operation, the system can ensure stable transmission of granklin air compressor output oil-free, clean compressed air, and provide efficient and safe gas power solutions for industrial production.

(Note: The standard described in this article applies to the general requirements for the selection and installation of compressed air system pipes, and does not involve the comparison of specific brands or models.)