+86-18358443535
Home / Product / PCV Hose

PCV Hose Manufacturers

The crankcase vent pipe is an integral part of the crankcase ventilation system of an internal combustion engine. This pipe connects the crankcase ventilation valve to other system components to assist in maintaining proper engine operation and protection. The task of the crankcase ventilation system is to remove harmful gases and oil vapours from the crankcase to ensure internal pressure and humidity balance. The crankcase ventilation tubes play a key role in this process by directing exhaust gases and vapours to the proper discharge location. This helps to reduce pollution and carbon build-up within the engine and improves combustion efficiency. The crankcase vent tube helps maintain the engine's oil cleanliness. By directing exhaust gases and vapours to the crankcase vent valve, the system effectively removes oil and contaminants from the air, prolonging oil life and reducing wear and tear on engine components.

About Jiefan

Company strength

Ningbo Jiefan Auto Parts Co., Ltd. is a professional OEM PCV Hose manufacturers and ODM PCV Hose factory integrating design, research and development, production and sales. Committed to the production and sales of crankcase ventilation pipes, crankcase ventilation valves, engine coolant pipes and other engine peripheral parts. Based on the high-grade and high-end market, it can provide more than 1,000 varieties for the auto parts after-sales market, and has become an important supplier in the global auto parts after-sales market.

  • 0m2

    Construction area

  • 0 million

    Annual output

  • 0+

    Production line

  • 0+

    Professional staff

News

Industry Knowledge Expansion

How Does a PCV Hose Contribute to the Positive Crankcase Ventilation System?
A Positive Crankcase Ventilation (PCV) hose is a critical component of the PCV system, playing a key role in facilitating the recirculation of gases and maintaining the overall health of the engine. Here's how a PCV hose contributes to the Positive Crankcase Ventilation system:
Gas Circulation: The PCV system is designed to circulate gases from the crankcase back into the engine's intake manifold. The PCV hose serves as a conduit for these gases, allowing them to be drawn back into the combustion chamber during the intake stroke.
Blow-By Gas Removal: During the combustion process, a small amount of gas, known as blow-by gas, escapes past the piston rings and into the crankcase. The PCV hose ensures that these blow-by gases are efficiently evacuated from the crankcase, preventing pressure buildup.
Prevention of Crankcase Pressure: The PCV hose assists in regulating the pressure within the crankcase. Excessive pressure can lead to oil leaks, gasket failure, and increased engine wear. By providing a controlled pathway for gas circulation, the PCV hose helps prevent pressure-related issues.
Minimization of Contaminants: The PCV hose helps in the removal of contaminants, such as water vapor, unburned fuel, and combustion by-products, from the crankcase. This prevents the accumulation of harmful substances, reducing the risk of sludge formation and maintaining a cleaner engine environment.
Reduction of Air Pollution: The PCV system, facilitated by the PCV hose, plays a crucial role in reducing air pollution. By recirculating blow-by gases and preventing them from being released directly into the atmosphere, the system helps control emissions and meets environmental standards.
Optimization of Combustion Efficiency: Efficient PCV operation, facilitated by the PCV hose, contributes to improved combustion efficiency. The recirculation of blow-by gases allows for better burning of these gases during the combustion cycle, reducing the potential for incomplete combustion and related engine issues.
Prevention of Oil Contamination: The PCV hose helps prevent oil contamination in the intake manifold and combustion chamber. Oil vapor from the crankcase is directed back to the combustion chamber through the PCV system, minimizing the impact of oil on engine performance and emissions.
Enhanced Engine Longevity: By regulating pressure, removing blow-by gases, and minimizing contaminants, the PCV hose contributes to the overall longevity of the engine. Reduced pressure and cleaner internal components help prevent premature wear and damage.
In summary, the PCV hose is integral to the Positive Crankcase Ventilation system, facilitating the controlled circulation of gases to maintain proper engine operation. Regular inspection and replacement of the PCV hose are crucial for ensuring the effectiveness of the PCV system and promoting the longevity and efficiency of the engine.
Why is the PCV Hose Critical for Preventing Contaminant Buildup in the Engine?
The PCV (Positive Crankcase Ventilation) hose is critical for preventing contaminant buildup in the engine due to its role in managing and redirecting blow-by gases. Here's how the PCV hose contributes to the prevention of contaminant buildup:
Blow-By Gas Evacuation: The combustion process in the engine generates blow-by gases, which consist of unburned fuel, water vapor, and combustion by-products. These gases can escape past the piston rings and enter the crankcase. The PCV hose is responsible for evacuating these blow-by gases from the crankcase.
Recirculation to Combustion Chamber: Instead of allowing blow-by gases to accumulate in the crankcase, the PCV hose directs them back to the engine's intake manifold. From there, the gases are drawn into the combustion chamber during the intake stroke, where they are re-burned and expelled through the exhaust system.
Prevention of Contaminant Accumulation: Blow-by gases contain contaminants that, if left unchecked, can lead to the buildup of sludge, deposits, and other harmful substances within the engine. The PCV hose, by facilitating the recirculation of these gases, prevents the accumulation of contaminants in the crankcase and other internal engine components.
Reduction of Internal Engine Corrosion: Contaminants in blow-by gases, such as acidic by-products from combustion, can contribute to internal engine corrosion. By removing these contaminants, the PCV hose helps minimize the risk of corrosion, preserving the integrity of engine components.
Oil Vapor Control: The PCV system, including the PCV hose, manages the circulation of oil vapor generated in the crankcase. If oil vapor were to accumulate unchecked, it could contribute to the formation of sludge and deposits, adversely affecting engine lubrication and performance.
Prevention of Pressure Buildup: Efficient PCV operation, facilitated by the PCV hose, prevents excessive pressure from building up in the crankcase. Excessive pressure can lead to leaks, gasket failure, and increased stress on engine seals. By regulating pressure, the PCV hose contributes to the prevention of oil leaks and seal damage.
Maintaining a Clean Engine Environment: The PCV hose, by ensuring the timely evacuation of blow-by gases, helps maintain a cleaner engine environment. This contributes to better overall engine performance, combustion efficiency, and reduces the likelihood of issues related to contaminated components.
Compliance with Emission Standards: Controlling the release of blow-by gases through the PCV system, including the PCV hose, is essential for meeting environmental emission standards. This helps vehicles comply with regulations aimed at reducing air pollution.
In summary, the PCV hose is critical for preventing contaminant buildup in the engine by managing blow-by gases and ensuring their controlled recirculation. Regular inspection and maintenance of the PCV system, including the PCV hose, are essential for preserving engine health, efficiency, and compliance with emission standards.

Contact us now

Aerial view of a shipping container carrier docking in a bay with a blue color field over top.

Contact Jiefan
If You Have Any Needs.

Contact