Basic Functions and Applications
Sealing Function: This kit includes various sealing components, which are used for static or dynamic sealing at the connection points between the instrument block and pipes, sensors, pressure gauges, etc., to prevent leakage of compressed air, lubricating oil, or control gas.
Compatible Components: It is mainly installed on the instrument control module (Instrument Block) of the air compressor. This module usually integrates pressure sensor interfaces, pressure gauge interfaces, control pipe joints, etc., and is a key node for equipment pressure monitoring and control signal transmission.
Applicable Models: 2901353200 is the original factory part number of Atlas Copco. It is commonly found in GA series screw air compressors (such as some medium-sized and large GA models) and related compressed air system equipment. The specific compatibility needs to be confirmed based on the equipment model and production batch.
Kit Composition and Materials
Main Components: Usually includes different specifications of O-rings, sealing gaskets, flat washers, dust covers, etc. The specific quantity and size depend on the structural design of the instrument block.
Material Characteristics:
The sealing components mostly use oil-resistant and temperature-resistant rubber (such as nitrile rubber NBR or fluororubber FKM), which are suitable for lubricating oil, compressed air media, and working temperatures of 80-120℃.
Some metal washers are made of brass or stainless steel to ensure high strength and corrosion resistance.
Precision Requirements: The sealing components have high dimensional accuracy, and the mating gap with the instrument block interface is strictly controlled to ensure sealing reliability.
Replacement Timing and Common Issues
Signal Replacement:
Leakage occurs at the connection part of the instrument block (such as oil stains or air marks at the pressure interface).
Abnormal pressure display (possible due to leakage, resulting in inaccurate pressure signals).
During regular maintenance or replacement of the instrument block, sensor, etc., the sealing kit must be replaced simultaneously (the sealing components are wear-prone parts and are not recommended for reuse).
Impact of Faults:
Leakage will cause system pressure loss and increase energy consumption.
Lubricating oil leakage may pollute the environment or cause a decrease in oil level, affecting equipment lubrication.
Pressure signal distortion may cause the control system to misjudge and trigger abnormal operation of the unit.
Replacement and Maintenance Precautions
Original Factory Spare Parts Guarantee: 2901353200 is an original factory-specific sealing kit. It must be used with Atlas Copco's original products to ensure that the sealing components' size, material, and the instrument block are completely matched, avoiding secondary leakage due to compatibility issues.
Installation Specifications:
Before replacement, thoroughly clean the sealing surface of the instrument block, remove residual oil stains, aged sealing components fragments, and impurities.
Install each sealing component in the corresponding order according to the disassembly sequence to ensure no omissions or distortions (especially O-rings need to be correctly inserted into the sealing groove).
Avoid using sharp tools to contact the sealing components to prevent scratches that may lead to sealing failure.
Tighten the connecting bolts according to the specified torque to ensure uniform contact of the sealing surfaces and avoid over-tightening, which may damage the instrument block or the sealing components.
