107 Compressor Parts

1

Φ 180 mm Liner (Chrome)

107.11.110.31

High-strength cast iron with hard chrome plating (HRC ≥ 60)

1. Abrasion from impurities (dust, metal particles) in the intake air; 2. Long-term high-temperature and high-pressure operation leading to chrome layer peeling; 3. Improper lubrication causing dry friction between liner and piston.

1. Regularly replace the air filter element to ensure intake air cleanliness; 2. Check and maintain the lubrication system regularly to ensure sufficient and clean lubricating oil; 3. Avoid overloading the compressor (operating beyond rated pressure/temperature) for extended periods.

2

Φ 170 mm Liner (Chrome)

107.11.110.30

High-strength cast iron with hard chrome plating (HRC ≥ 60)

1. Erosion from moisture condensation in the cylinder (causing rust and pitting); 2. Abrasion due to misalignment between piston and liner; 3. Fatigue damage from frequent start-stop cycles.

1. Regularly drain the condensate from the cylinder and air storage tank; 2. Conduct periodic alignment checks of the piston and liner assembly during maintenance; 3. Reduce unnecessary frequent start-stops; ensure the compressor's start-stop control system is functioning properly.

3

Φ 160 mm Liner (Chrome)

107.11.110.29

High-strength cast iron with hard chrome plating (HRC ≥ 60)

1. Abrasion from contaminated lubricating oil (containing metal debris or sludge); 2. Thermal shock damage from sudden temperature changes during operation; 3. Wear caused by improper installation (scratches from installation tools).

1. Replace lubricating oil and oil filter according to the recommended maintenance cycle; 2. Avoid sudden loading of the compressor when the machine is not preheated; 3. Use special installation tools and follow the correct installation procedure to prevent scratches on the liner inner wall.

1

Φ 180 mm Piston Complete

107.11.130.00

Aluminum alloy (piston body) + nitrile rubber (sealing rings) + steel (connecting pins)

1. Wear of sealing rings due to long-term friction with the cylinder liner; 2. Fatigue damage of the piston body caused by repeated impact during reciprocation; 3. Corrosion from acidic condensate in the cylinder.

1. Regularly inspect the wear condition of piston sealing rings and replace them in time; 2. Control the operating pressure within the rated range to reduce impact load on the piston; 3. Maintain proper air humidity and drainage to prevent condensate accumulation and corrosion.

2

Φ 180 mm Piston Rubber

107.11.130.00

High-temperature resistant nitrile rubber (NBR, temperature resistance up to 120℃)

1. Aging and hardening due to long-term exposure to high temperatures; 2. Abrasion from friction with the cylinder liner (exacerbated by impurities); 3. Chemical erosion from incompatible lubricating oil or gas medium.

1. Use lubricating oil that is compatible with NBR rubber; 2. Ensure the air filter is effective to prevent impurities from entering the compression chamber; 3. Avoid prolonged operation of the compressor at temperatures exceeding 120℃.

3

Φ 170 mm Piston Complete

107.06.70.00

Aluminum alloy (piston body) + nitrile rubber (sealing rings) + steel (connecting pins)

1. Uneven wear caused by piston misalignment; 2. Fatigue cracking of the piston skirt due to excessive load; 3. Damage to sealing rings from sudden pressure surges.

1. Periodically check and adjust the piston alignment; 2. Install a pressure relief valve to prevent pressure surges in the compression chamber; 3. Avoid overloading the compressor for long periods.

4

Φ 170 mm Piston Rubber

107.06.70.00

High-temperature resistant nitrile rubber (NBR, temperature resistance up to 120℃)

1. Wear due to insufficient lubrication between the rubber and liner; 2. Aging caused by long-term contact with oxygen and high temperatures; 3. Scratches from sharp impurities in the air.

1. Ensure the lubrication system is functioning properly to maintain a uniform oil film; 2. Store spare piston rubbers in a cool, dry, and oxygen-isolated environment; 3. Regularly clean the air intake pipeline to remove potential sharp impurities.

5

Φ 160 mm Piston Complete

107.06.68.00

Aluminum alloy (piston body) + nitrile rubber (sealing rings) + steel (connecting pins)

1. Corrosion of the piston body from moisture in the compressed air; 2. Wear of the connecting pin hole due to repeated rotation; 3. Damage to sealing rings from thermal cycling (alternating heating and cooling).

1. Install a dryer in the compressed air system to reduce moisture content; 2. Regularly inspect the connecting pin and pin hole for wear and replace if necessary; 3. Avoid frequent start-stop cycles that cause rapid thermal cycling.

6

Φ 160 mm Piston Rubber

107.06.68.00

High-temperature resistant nitrile rubber (NBR, temperature resistance up to 120℃)

1. Compression set (permanent deformation) due to long-term continuous compression; 2. Abrasion from friction with the cylinder liner; 3. Damage from chemical contaminants in the intake air.

1. Allow the compressor to run idle for a few minutes before shutting down to relieve pressure on the piston rubber; 2. Replace piston rubbers at regular intervals even if no obvious damage is found; 3. Install a pre-filter for the intake air if the working environment has high chemical contamination.

7

Piston Rod

107.11.110.39

High-carbon steel (45#) with chrome plating (surface roughness Ra ≤ 0.8 μm)

1. Wear of the chrome layer due to friction with the seal; 2. Bending deformation caused by uneven lateral force; 3. Corrosion from moisture and chemical media.

1. Regularly inspect the seal for wear to reduce friction on the piston rod; 2. Ensure the piston rod is properly aligned during installation and maintenance; 3. Apply anti-corrosion grease to the piston rod surface when the compressor is not in use for a long time.

8

Piston Rod Clamp

107.11.114.00

Alloy steel (40Cr) with quenching and tempering treatment (hardness HRC 35-40)

1. Fatigue damage due to repeated vibration during operation; 2. Wear of the clamping surface due to loosening and sliding; 3. Deformation caused by over-tightening during installation.

1. Regularly check the tightness of the clamp and re-tighten if necessary; 2. Ensure the clamping surface is clean and free of impurities before installation; 3. Use a torque wrench to tighten the clamp bolts according to the recommended torque value.

1

Valve Seat

107.11.140.04

High-chromium cast iron (Cr15Mo3) with precision grinding

1. Abrasion from repeated contact with the valve disc; 2. Corrosion from acidic condensate; 3. Pitting damage caused by pressure shocks.

1. Regularly inspect the valve seat surface for wear and scratches; 2. Maintain proper drainage to prevent condensate accumulation; 3. Install a shock absorber in the air pipeline to reduce pressure shocks.

2

Valve Complete

107.11.140.01

Steel (valve disc) + nitrile rubber (sealing ring) + alloy steel (valve stem)

1. Wear of the valve disc sealing surface; 2. Bending of the valve stem due to uneven force; 3. Aging of the sealing ring due to high temperatures.

1. Replace the valve complete if the sealing surface is worn or pitted; 2. Ensure the valve stem moves freely without jamming; 3. Avoid prolonged operation at high temperatures to prevent sealing ring aging.

3

Valve Spring

-

Stainless steel (304) with heat treatment (fatigue life ≥ 10^6 cycles)

1. Fatigue failure due to repeated compression and extension; 2. Corrosion from moisture and chemical media; 3. Deformation caused by overheating.

1. Replace valve springs at regular intervals according to the maintenance cycle; 2. Keep the valve chamber dry and clean; 3. Monitor the compressor's operating temperature to avoid overheating.

4

Valve Guide Bushing

-

Copper alloy (CuSn10Pb10) with self-lubricating properties

1. Wear due to friction with the valve stem; 2. Seizure caused by insufficient lubrication; 3. Corrosion from moisture.

1. Ensure sufficient lubrication of the valve stem and guide bushing; 2. Regularly inspect the guide bushing for wear and replace if the clearance exceeds the limit; 3. Maintain proper drainage to prevent moisture from entering the valve chamber.

5

Valve Clip (Locking Clip)

107.11.110.52-1

Spring steel (65Mn) with surface galvanizing

1. Fatigue failure due to repeated expansion and contraction; 2. Corrosion from moisture; 3. Damage caused by improper installation (over-stretching).

1. Use special tools for installation to avoid over-stretching; 2. Regularly inspect the clip for deformation or corrosion; 3. Replace all valve clips when replacing the valve assembly to ensure uniform performance.

6

Valve Rubber (Insert)

107.11.140.03

Fluororubber (FKM, temperature resistance up to 200℃, chemical resistance)

1. Aging and hardening due to high temperatures and chemical media; 2. Abrasion from repeated contact with the valve disc; 3. Compression set due to long-term continuous pressure.

1. Use compatible lubricating oil and avoid contact with incompatible chemicals; 2. Regularly inspect the valve rubber for cracks or hardening; 3. Allow the compressor to cool down before shutting down to relieve pressure on the valve rubber.

1

Liner Seal (210 x 198 x 8.6) mm

-

High-temperature resistant silicone rubber (VMQ, temperature resistance up to 180℃)

1. Aging and cracking due to high temperatures; 2. Abrasion from friction with the liner and cylinder block; 3. Damage caused by improper installation (scratches).

1. Avoid prolonged operation of the compressor at temperatures exceeding 180℃; 2. Ensure the installation surface is clean and smooth; 3. Use a press tool for installation to avoid uneven force and scratches.

2

Cylinder Head Seal (270 x 189 x 9) mm

-

Nitrile rubber (NBR) with fabric reinforcement (temperature resistance up to 120℃)

1. Compression set due to long-term high-pressure clamping; 2. Aging due to high temperatures; 3. Damage from chemical erosion of lubricating oil.

1. Tighten the cylinder head bolts according to the recommended torque to avoid over-clamping; 2. Replace the seal at regular intervals even if no obvious damage is found; 3. Use lubricating oil compatible with NBR rubber.

3

Valve Cover Seal (190 x 172 x 9) mm

-

EPDM rubber (temperature resistance up to 150℃, weather resistance)

1. Aging due to exposure to air and high temperatures; 2. Wear from vibration during operation; 3. Damage caused by over-tightening of the valve cover bolts.

1. Keep the valve cover clean and free of debris; 2. Tighten the valve cover bolts evenly with a torque wrench; 3. Store spare seals in a sealed container to avoid exposure to air and sunlight.

4

Intermediate Rod Seal (140 x 109 x 14) mm

107.11.97.00

Polyurethane (PU) with high wear resistance (Shore hardness A 90)

1. Abrasion from friction with the intermediate rod; 2. Damage from metal particles or impurities; 3. Aging due to high temperatures.

1. Regularly inspect the intermediate rod surface for wear and scratches; 2. Ensure the sealing chamber is clean and free of impurities; 3. Monitor the operating temperature to avoid overheating.

5

Diaphragm

107.130.01.00-1

Reinforced fluororubber (FKM) with fabric layer (pressure resistance up to 1.6 MPa)

1. Fatigue failure due to repeated deformation; 2. Chemical erosion from the medium; 3. Damage from excessive pressure.

1. Control the operating pressure within the rated range; 2. Avoid contact with incompatible chemicals; 3. Replace the diaphragm at regular intervals according to the maintenance cycle.

1

Locking Plate

107.11.110.65-1

Carbon steel (Q235) with surface painting

1. Fatigue damage due to repeated vibration; 2. Corrosion from moisture and environmental factors; 3. Deformation caused by improper installation.

1. Regularly check the locking plate for deformation or loosening; 2. Apply anti-corrosion paint to the surface if signs of corrosion are found; 3. Follow the correct installation procedure to avoid over-bending.

2

Locking Clip

107.11.110.52

Spring steel (65Mn) with surface galvanizing

1. Fatigue failure due to repeated expansion and contraction; 2. Corrosion from moisture; 3. Damage caused by over-stretching during installation.

1. Use special tools for installation to avoid over-stretching; 2. Regularly inspect the clip for deformation or corrosion; 3. Replace all locking clips when performing major maintenance.

3

Cage

107.11.330.00

Alloy steel (Q345) with welding and surface treatment

1. Welding seam fatigue due to long-term vibration; 2. Corrosion from environmental factors; 3. Deformation caused by impact or excessive load.

1. Regularly inspect the welding seams for cracks; 2. Keep the cage clean and free of debris; 3. Avoid impact on the cage during equipment transportation or maintenance.

4

Stabilizer

107.130.02

Cast iron (HT200) with precision machining

1. Wear of the contact surface due to vibration; 2. Corrosion from moisture; 3. Cracking due to excessive load.

1. Regularly inspect the contact surface for wear and replace if necessary; 2. Maintain a dry operating environment; 3. Ensure the stabilizer is properly installed to distribute the load evenly.